import os
import shutil
import logging
import asyncio
import subprocess
import re
import threading
import json
from http.server import BaseHTTPRequestHandler, HTTPServer
from pathlib import Path
import lavalink
from typing import Optional

import discord
from discord.ext import tasks
import requests

from redbot.core import commands, Config
from redbot.core.bot import Red, cog_data_path
from redbot.core.commands import Cog
from redbot.cogs.audio import Audio

try:
    from .morshutalk_engine import Morshu
    MORSHU_AVAILABLE = True
except Exception:
    try:
        from morshutalk_engine import Morshu
        MORSHU_AVAILABLE = True
    except Exception:
        MORSHU_AVAILABLE = False

try:
    from .vox_engine import generate_vox, get_available_words, get_available_packs
    VOX_AVAILABLE = True
except Exception:
    try:
        from vox_engine import generate_vox, get_available_words, get_available_packs
        VOX_AVAILABLE = True
    except Exception:
        VOX_AVAILABLE = False

log = logging.getLogger("red.ttstoy")

# ----------------------------
# MiniMax defaults
# ----------------------------
DEFAULT_MINIMAX_MODEL = "speech-01-turbo"
DEFAULT_MINIMAX_VOICE = "moss_audio_b304011b-11b2-11f1-90fe-36953c023630"

MINIMAX_VOICES = {
    "BigMan": "moss_audio_54f969bf-12c1-11f1-93de-a6f4120d2cc7",
    "BlueGnome": "moss_audio_166dfe7c-1390-11f1-b6f2-729162d0a8d2",
    "Dracafow": "moss_audio_13cb66d2-12c7-11f1-b6f2-729162d0a8d2",
    "Gaben": "moss_audio_5239ca93-115b-11f1-b9c4-4ea5324904c7",
    "Grigori": "moss_audio_63a397aa-24c9-11f1-918f-5a2de67f838a",
    "Gnome": "moss_audio_b304011b-11b2-11f1-90fe-36953c023630",
    "King": "moss_audio_39c16b2c-1158-11f1-995d-b25e2f30d3fa",
    "Peppa": "moss_audio_d656489f-114b-11f1-995d-b25e2f30d3fa",
    "Robotnik": "moss_audio_123443a8-11b4-11f1-bfa6-763108879732",
}

DECTALK_VOICES = {
    "paul": "paul",       # Perfect Paul (default, male)
    "betty": "betty",     # Beautiful Betty (female)
    "harry": "harry",     # Huge Harry (male)
    "frank": "frank",     # Frail Frank (male)
    "dennis": "dennis",   # Doctor Dennis (male)
    "kit": "kit",         # Kit the Kid (child)
    "ursula": "ursula",   # Uppity Ursula (female)
    "rita": "rita",       # Rough Rita (female)
    "wendy": "wendy",     # Whispering Wendy (female)
}

CHATTERBOX_DEFAULT_URL = "http://127.0.0.1:8099"

_DEFAULT_EMOJI_SFX = {
    "🎉": "party",
    "😂": "laugh",
    "🥖": "spy",
    "👏": "clap",
    "🔥": "fire",
    "💀": "skull",
    "✅": "check",
    "❌": "error",
    "📢": "airhorn",
    "🚢": "boathorn",
    "😶": "drum",
    "👼": "angel",
    "🥜": "cashew",
    "💪": "physical",
    "🧠": "intelligence",
    "👁": "psychic",
    "✍️": "motor",
}

_SFX_MAP_PATH = Path(__file__).resolve().parent / "sfx" / "emoji_map.json"


def _load_emoji_sfx_map() -> dict:
    """Load emoji→folder mapping from JSON file, falling back to defaults."""
    try:
        if _SFX_MAP_PATH.exists():
            with open(_SFX_MAP_PATH) as f:
                return json.load(f)
    except Exception:
        pass
    return dict(_DEFAULT_EMOJI_SFX)


def _save_emoji_sfx_map(mapping: dict):
    """Persist emoji→folder mapping to JSON file."""
    _SFX_MAP_PATH.parent.mkdir(parents=True, exist_ok=True)
    with open(_SFX_MAP_PATH, "w") as f:
        json.dump(mapping, f, ensure_ascii=False, indent=2)


# Live reference — all code reads from this dict; _reload_emoji_sfx_map() refreshes it.
EMOJI_SFX_FOLDERS: dict = _load_emoji_sfx_map()


def _reload_emoji_sfx_map():
    """Reload the mapping from disk into the live dict."""
    EMOJI_SFX_FOLDERS.clear()
    EMOJI_SFX_FOLDERS.update(_load_emoji_sfx_map())

EMOJI_CANDIDATE_PATTERN = re.compile(
    r"(<a?:\w+:\d+>|:[A-Za-z0-9_]+:|[\U0001F300-\U0001FAFF\U00002600-\U000026FF\U00002700-\U000027BF][\uFE0E\uFE0F]?(?:\u200D[\U0001F300-\U0001FAFF\U00002600-\U000026FF\U00002700-\U000027BF][\uFE0E\uFE0F]?)*)"
)

# Pattern for inline voice switches: [mode|voice] or [mode] (voice optional)
VOICE_SWITCH_PATTERN = re.compile(
    r"\[([a-zA-Z]+)(?:\|([^\]]+))?\]"
)

VALID_VOICE_MODES = {"minimax", "chatterbox", "dectalk", "morshu", "vox"}


def resolve_voice_for_mode(mode: str, voice_name: str, chatterbox_voices: list = None) -> str:
    """Resolve a voice name/label to the engine-specific voice ID, case-insensitive.

    For chatterbox, pass the list of known voice filenames (e.g. ['123_Emily.wav']).
    The function matches by the display portion of the filename (after the first underscore,
    without extension), case-insensitively.
    """
    name_lower = voice_name.lower().strip()
    if mode == "minimax":
        for label, vid in MINIMAX_VOICES.items():
            if label.lower() == name_lower:
                return vid
        return voice_name  # pass through raw IDs
    if mode == "dectalk":
        return DECTALK_VOICES.get(name_lower, name_lower)
    if mode == "chatterbox" and chatterbox_voices:
        # Try exact match first
        for fn in chatterbox_voices:
            if fn.lower() == name_lower or fn == voice_name:
                return fn
        # Match by display name (the part after userid_)
        for fn in chatterbox_voices:
            parts = fn.split("_", 1)
            if len(parts) > 1:
                display = parts[1].rsplit(".", 1)[0]  # strip extension
            else:
                display = fn.rsplit(".", 1)[0]
            if display.lower() == name_lower:
                return fn
    return voice_name


def _split_voice_segments(text: str):
    """
    Split text on [mode|voice] tags into segments.

    Returns a list of (mode_override, voice_override, text) tuples.
    mode_override/voice_override are None for the initial segment (use caller defaults).
    """
    segments = []
    last_end = 0
    for m in VOICE_SWITCH_PATTERN.finditer(text):
        # Text before this tag belongs to the current (last) voice segment
        before = text[last_end:m.start()]
        if before:
            if not segments:
                segments.append((None, None, before))
            else:
                prev = segments[-1]
                segments[-1] = (prev[0], prev[1], prev[2] + before)

        mode_tag = m.group(1).lower()
        voice_tag = (m.group(2) or "").strip()
        if mode_tag in VALID_VOICE_MODES:
            segments.append((mode_tag, voice_tag, ""))
        else:
            # Invalid mode, treat the whole tag as literal text
            if not segments:
                segments.append((None, None, m.group(0)))
            else:
                prev = segments[-1]
                segments[-1] = (prev[0], prev[1], prev[2] + m.group(0))
        last_end = m.end()

    # Remaining text after the last tag
    tail = text[last_end:]
    if tail:
        if not segments:
            segments.append((None, None, tail))
        else:
            prev = segments[-1]
            segments[-1] = (prev[0], prev[1], prev[2] + tail)

    if not segments:
        segments.append((None, None, text))

    return segments


def resolve_minimax_voice_id(label_or_id: str) -> str:
    return MINIMAX_VOICES.get(label_or_id, label_or_id)


def resolve_dectalk_voice_id(label_or_id: str) -> str:
    # Case-insensitive lookup
    label_lower = label_or_id.lower()
    return DECTALK_VOICES.get(label_lower, label_lower)


def _normalize_sfx_trigger(token: str) -> str:
    if token.startswith("<") and token.endswith(">"):
        # Discord custom emoji format: <:name:id> or <a:name:id>
        parts = token.strip("<>").split(":")
        if len(parts) == 3:
            return f":{parts[1]}:"
    return token


# ---------------------------------------------------------------------
# HEALTH SERVER
# ---------------------------------------------------------------------
TTSTOY_HEALTH_PORT = 8097

class _HealthHandler(BaseHTTPRequestHandler):
    cog_ref = None  # set by TtsToy

    def do_GET(self):
        if self.path == "/health":
            cog = _HealthHandler.cog_ref
            payload = {
                "status": "ok",
                "service": "ttstoy",
            }
            body = json.dumps(payload).encode()
            self.send_response(200)
            self.send_header("Content-Type", "application/json")
            self.send_header("Content-Length", str(len(body)))
            self.send_header("Access-Control-Allow-Origin", "*")
            self.end_headers()
            self.wfile.write(body)
        else:
            self.send_response(404)
            self.end_headers()

    def log_message(self, format, *args):
        pass  # suppress access logs


# ---------------------------------------------------------------------
# MODAL FOR API KEY ENTRY
# ---------------------------------------------------------------------
class MinimaxKeyModal(discord.ui.Modal, title="Set MiniMax API Key"):
    api_key = discord.ui.TextInput(
        label="Enter MiniMax API Key",
        style=discord.TextStyle.short,
        placeholder="paste your API key",
        required=True,
    )

    def __init__(self, config: Config):
        super().__init__()
        self.config = config

    async def on_submit(self, interaction: discord.Interaction):
        await self.config.minimax_api_key.set(self.api_key.value.strip())
        await interaction.response.send_message("✅ MiniMax API key saved.", ephemeral=True)


class MinimaxKeyButton(discord.ui.View):
    def __init__(self, config: Config):
        super().__init__(timeout=None)
        self.config = config

    @discord.ui.button(label="Enter MiniMax API Key", style=discord.ButtonStyle.primary)
    async def enter_key(self, interaction: discord.Interaction, button: discord.ui.Button):  # type: ignore[override]
        modal = MinimaxKeyModal(self.config)
        await interaction.response.send_modal(modal)


# ---------------------------------------------------------------------
# MAIN COG
# ---------------------------------------------------------------------
class TtsToy(Cog):
    """Multi-engine TTS with voice cloning, emoji SFX, and a web UI.

    Engines: MiniMax · Chatterbox · DECTalk · Morshu · VOX
    """

    def __init__(self, bot: Red):
        super().__init__()
        self.bot = bot

        self.tts_storage = cog_data_path(cog_instance=self).joinpath("ttstoy")
        self.sfx_root = Path(__file__).resolve().parent / "sfx"
        self.dectalk_dir = Path(__file__).resolve().parent / "dectalk-server"
        self.dectalk_process = None
        self.dectalk_port = 3001
        
        # Morshu TTS engine
        self.morshu = Morshu() if MORSHU_AVAILABLE else None
        
        # TTS queue system - one queue per guild
        self.tts_queues = {}  # guild_id -> asyncio.Queue
        self.tts_locks = {}   # guild_id -> asyncio.Lock
        self.tts_processors = {}  # guild_id -> asyncio.Task
        
        self._ensure_sfx_folders()
        self.clear_old_tts.start()

        self._health_server: HTTPServer | None = None
        self._health_thread: threading.Thread | None = None
        self._webui_process = None  # subprocess for the Flask web UI

        self.config: Config = Config.get_conf(
            self, identifier=0x0A0A0A0A, force_registration=True
        )

        self.config.register_global(
            minimax_api_key=None,
            minimax_model=DEFAULT_MINIMAX_MODEL,
            minimax_voice=DEFAULT_MINIMAX_VOICE,
            sfx_volume=100,
            tts_mode="minimax",
            chatterbox_api_url=CHATTERBOX_DEFAULT_URL,
            dectalk_api_url=f"http://127.0.0.1:3001",
            dectalk_auto_start=True,
            accessibility_mode=False,
            vox_pack="vox",
            webui_tts_channel_id=None,  # channel to post web UI TTS transcripts/audio
            webui_public_url="https://ttstoy.kingstons-scrapyard.net",       # public URL shown in login DMs
        )

        self.config.register_guild(
            webui_tts_channel_id=None,  # per-guild channel for web UI TTS posts
        )

        self.config.register_user(
            minimax_voice=None,
            chatterbox_voices=[],  # list of voice filenames this user has uploaded
            chatterbox_temperature=None,  # DEPRECATED: kept for migration
            chatterbox_exaggeration=None,  # DEPRECATED: kept for migration
            chatterbox_temperature_offsets={},  # voice_name -> temperature (e.g. {"Emily.wav": 0.8})
            chatterbox_exaggeration_offsets={},  # voice_name -> exaggeration (e.g. {"Emily.wav": 1.5})
            chatterbox_volume_offsets={},  # voice_name -> dB offset (e.g. {"Emily.wav": -3.0})
            chatterbox_speed_offsets={},  # voice_name -> speed factor (e.g. {"Emily.wav": 1.2})
        )

    async def red_delete_data_for_user(self, **kwargs):
        # only per-user voice; nothing special to wipe beyond config
        pass

    # -----------------------------------------
    @tasks.loop(hours=1)
    async def clear_old_tts(self):
        try:
            if os.path.exists(self.tts_storage):
                shutil.rmtree(self.tts_storage)
        except OSError:
            log.exception("Trying to clear old TTS audio files")

    async def cog_unload(self):
        self.clear_old_tts.stop()
        if self._webui_state_processor.is_running():
            self._webui_state_processor.stop()
        await self._stop_webui()
        await self._stop_dectalk_server()

        if self._health_server:
            self._health_server.shutdown()
            self._health_server = None

        # Cancel all TTS processor tasks
        for task in self.tts_processors.values():
            if not task.done():
                task.cancel()
        
        # Wait for all tasks to finish
        if self.tts_processors:
            await asyncio.gather(*self.tts_processors.values(), return_exceptions=True)

    # -----------------------------------------
    async def _get_minimax_settings(self):
        return (
            await self.config.minimax_api_key(),
            await self.config.minimax_model(),
            await self.config.minimax_voice(),
        )

    async def _get_tts_mode(self):
        """Get current TTS mode."""
        mode = await self.config.tts_mode()
        # Migrate old "local" mode to "chatterbox"
        if mode == "local":
            await self.config.tts_mode.set("chatterbox")
            return "chatterbox"
        return mode

    async def _get_chatterbox_api_url(self):
        """Get Chatterbox TTS Server API URL."""
        return await self.config.chatterbox_api_url()

    async def _get_dectalk_api_url(self):
        """Get DECTalk API URL."""
        return await self.config.dectalk_api_url()

    async def _install_dectalk_server(self) -> bool:
        """Install DECTalk server dependencies."""
        try:
            if not self.dectalk_dir.exists():
                log.error(f"DECTalk server directory not found: {self.dectalk_dir}")
                return False
            
            # Run npm install
            result = await asyncio.to_thread(
                subprocess.run,
                ["npm", "install"],
                cwd=str(self.dectalk_dir),
                capture_output=True,
                text=True,
                timeout=300
            )
            
            if result.returncode != 0:
                log.error(f"npm install failed: {result.stderr}")
                return False
            
            log.info("DECTalk server installed successfully")
            return True
        except Exception as e:
            log.exception(f"Failed to install DECTalk server: {e}")
            return False

    async def _start_dectalk_server(self) -> bool:
        """Start the built-in DECTalk server."""
        try:
            # Check if already running
            if self.dectalk_process and self.dectalk_process.poll() is None:
                log.info("DECTalk server already running")
                return True
            
            if not self.dectalk_dir.exists():
                log.error(f"DECTalk server directory not found: {self.dectalk_dir}")
                return False
            
            server_js = self.dectalk_dir / "server.js"
            if not server_js.exists():
                log.error("server.js not found, DECTalk server not installed")
                return False
            
            # Check if node_modules exists
            node_modules = self.dectalk_dir / "node_modules"
            if not node_modules.exists():
                log.info("node_modules not found, installing DECTalk server...")
                if not await self._install_dectalk_server():
                    return False
            
            # Start the server
            env = os.environ.copy()
            env['PORT'] = str(self.dectalk_port)
            
            self.dectalk_process = await asyncio.to_thread(
                subprocess.Popen,
                ["node", "server.js"],
                cwd=str(self.dectalk_dir),
                env=env,
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE,
                text=True
            )
            
            # Wait a moment for server to start
            await asyncio.sleep(2)
            
            # Check if it's still running
            if self.dectalk_process.poll() is not None:
                log.error("DECTalk server failed to start")
                return False
            
            log.info(f"DECTalk server started on port {self.dectalk_port}")
            return True
        except Exception as e:
            log.exception(f"Failed to start DECTalk server: {e}")
            return False

    async def _stop_dectalk_server(self):
        """Stop the built-in DECTalk server."""
        if self.dectalk_process and self.dectalk_process.poll() is None:
            try:
                self.dectalk_process.terminate()
                await asyncio.sleep(1)
                if self.dectalk_process.poll() is None:
                    self.dectalk_process.kill()
                log.info("DECTalk server stopped")
            except Exception as e:
                log.exception(f"Error stopping DECTalk server: {e}")

    async def _get_effective_minimax_voice(self, user: discord.abc.User) -> str:
        mode = await self._get_tts_mode()
        
        # DECTalk doesn't use voice selection - users control voices with [:n*] commands
        if mode == "dectalk":
            return "paul"  # Default, but users can override with commands
        
        # Morshu doesn't use voice selection - it's always Morshu
        if mode == "morshu":
            return "morshu"
        
        # VOX doesn't use voice selection - pack is chosen separately
        if mode == "vox":
            return "vox"
        
        # Chatterbox supports per-user voice selection
        if mode == "chatterbox":
            u = await self.config.user(user).minimax_voice()
            # Only use saved voice if it looks like a Chatterbox filename (has a file extension)
            if u and ("." in u):
                return u
            g = await self.config.minimax_voice()
            if g and ("." in g):
                return g
            return "Emily.wav"
        
        u = await self.config.user(user).minimax_voice()
        if u:
            return resolve_minimax_voice_id(u)

        g = await self.config.minimax_voice()
        return resolve_minimax_voice_id(g)

    async def _get_all_chatterbox_voices(self) -> list:
        """Collect all chatterbox voice filenames across all users."""
        all_voices = []
        all_users = await self.config.all_users()
        for uid, udata in all_users.items():
            voices = udata.get("chatterbox_voices", [])
            all_voices.extend(voices)
        return all_voices

    def _save_minimax_tts(self, api_key, model, voice_id, text, audio_path, mode="minimax", dectalk_url=None):
        """
        Save TTS audio using MiniMax API or DECTalk API.
        
        Args:
            api_key: API key (required for MiniMax)
            model: Model name
            voice_id: Voice identifier
            text: Text to synthesize
            audio_path: Output file path
            mode: "minimax" or "dectalk"
            dectalk_url: DECTalk API URL (required if mode="dectalk")
            
        Returns:
            dict: Response data including detected language (if available)
        """
        if mode == "dectalk":
            if not dectalk_url:
                raise RuntimeError("DECTalk API URL not configured")
            url = f"{dectalk_url.rstrip('/')}/v1/t2a_v2"
            headers = {"Content-Type": "application/json"}
        else:
            url = "https://api.minimax.io/v1/t2a_v2"
            headers = {"Authorization": f"Bearer {api_key}", "Content-Type": "application/json"}

        payload = {
            "model": model,
            "text": text,
            "stream": False,
            "language_boost": "auto",
            "output_format": "hex",
            "voice_setting": {
                "voice_id": voice_id,
                "speed": 1,
                "vol": 1,
                "pitch": 0,
            },
            "audio_setting": {
                "sample_rate": 32000,
                "bitrate": 128000,
                "format": "mp3",
                "channel": 1,
            },
        }

        r = requests.post(url, headers=headers, json=payload, timeout=60)
        r.raise_for_status()
        data = r.json()

        base = data.get("base_resp") or {}
        if base.get("status_code") != 0:
            raise RuntimeError(
                f"MiniMax error {base.get('status_code')}: {base.get('status_msg')}"
            )

        hex_audio = data.get("data", {}).get("audio")
        if not hex_audio:
            raise RuntimeError("MiniMax returned no audio data.")

        with open(audio_path, "wb") as f:
            f.write(bytes.fromhex(hex_audio))
        
        # Return response data for language detection
        return data

    def _save_morshu_tts(self, text: str, audio_path: str):
        """
        Generate TTS audio using MorshuTalk server (HTTP).
        Falls back to in-process engine if server is unavailable.
        
        Args:
            text: Text to synthesize
            audio_path: Output file path
        """
        morshu_url = "http://127.0.0.1:3002"
        try:
            r = requests.get(f"{morshu_url}/say", params={"text": text}, timeout=60)
            r.raise_for_status()
            with open(audio_path, "wb") as f:
                f.write(r.content)
            return
        except Exception as e:
            log.warning(f"[Morshu] Server unavailable ({e}), falling back to in-process engine")

        # Fallback to in-process
        if not self.morshu:
            raise RuntimeError("MorshuTalk engine is not available. Start the morshu-server or install g2p_en, numpy, pydub.")
        
        audio = self.morshu.load_text(text)
        if audio is False or audio is None:
            raise RuntimeError("MorshuTalk failed to generate audio.")
        
        audio.export(audio_path, format="mp3", bitrate="128k")

    def _save_vox_tts(self, text: str, audio_path: str, pack: str = "vox"):
        """
        Generate TTS audio using Black Mesa VOX engine.
        
        Args:
            text: Text to synthesize (words matched against VOX dictionary)
            audio_path: Output file path
            pack: VOX pack to use ("vox" or "vox2")
        """
        if not VOX_AVAILABLE:
            raise RuntimeError("VOX engine is not available.")
        generate_vox(text, audio_path, pack=pack)

    def _save_chatterbox_tts(self, text: str, audio_path: str, chatterbox_url: str, voice: str = "Emily.wav", temperature: float = None, exaggeration: float = None, volume_db: float = 0.0, speed_factor: float = None):
        """
        Generate TTS audio using Chatterbox TTS Server's /tts endpoint.
        """
        url = f"{chatterbox_url.rstrip('/')}/tts"
        payload = {
            "text": text,
            "voice_mode": "predefined",
            "predefined_voice_id": voice if voice else "Emily.wav",
            "output_format": "wav",
            "split_text": False,
        }
        if temperature is not None:
            payload["temperature"] = temperature
        if exaggeration is not None:
            payload["exaggeration"] = exaggeration
        if speed_factor is not None:
            payload["speed_factor"] = speed_factor
        log.info(f"[Chatterbox] POST {url} | voice={voice} | temp={temperature} | exag={exaggeration} | vol_db={volume_db} | speed={speed_factor} | text={text[:80]!r}")
        try:
            r = requests.post(url, json=payload, timeout=120)
            log.info(f"[Chatterbox] Response: {r.status_code} | {len(r.content)} bytes")
            r.raise_for_status()
        except requests.exceptions.HTTPError as e:
            # Log response body for debugging
            try:
                body = r.text[:500]
            except Exception:
                body = "(could not read body)"
            log.error(f"[Chatterbox] HTTP {r.status_code} error. Body: {body}")
            if r.status_code == 500 and "failed to synthesize" in body.lower():
                raise RuntimeError(
                    f"Chatterbox couldn't generate audio with voice `{voice}`. "
                    "The voice clip may be too short, too long, or in a bad format. "
                    "Try uploading a clear 5-15 second .wav clip."
                )
            raise

        if len(r.content) < 100:
            raise RuntimeError(f"Chatterbox returned too little audio data ({len(r.content)} bytes)")

        # Apply volume offset if non-zero
        if volume_db and volume_db != 0.0:
            tmp_raw = audio_path + ".raw.wav"
            with open(tmp_raw, "wb") as f:
                f.write(r.content)
            try:
                subprocess.run(
                    [
                        "ffmpeg", "-y", "-i", tmp_raw,
                        "-filter:a", f"volume={volume_db}dB",
                        "-vn", audio_path,
                    ],
                    check=True, capture_output=True, text=True,
                )
            finally:
                if os.path.exists(tmp_raw):
                    os.remove(tmp_raw)
        else:
            with open(audio_path, "wb") as f:
                f.write(r.content)

    def _ensure_sfx_folders(self):
        self.sfx_root.mkdir(parents=True, exist_ok=True)
        # Seed the JSON map file if it doesn't exist yet
        if not _SFX_MAP_PATH.exists():
            _save_emoji_sfx_map(dict(_DEFAULT_EMOJI_SFX))
        for folder in sorted(set(EMOJI_SFX_FOLDERS.values())):
            (self.sfx_root / folder).mkdir(parents=True, exist_ok=True)

    def _get_sfx_source_for_trigger(self, trigger: str) -> Optional[Path]:
        normalized = _normalize_sfx_trigger(trigger)
        folder_name = EMOJI_SFX_FOLDERS.get(normalized)
        if not folder_name:
            return None

        folder_path = self.sfx_root / folder_name
        folder_path.mkdir(parents=True, exist_ok=True)

        # Search for any supported audio format
        for ext in ("*.mp3", "*.wav", "*.ogg"):
            candidates = sorted(folder_path.glob(ext))
            if candidates:
                return candidates[0]

        return None

    def _split_prompt_segments(self, text: str):
        """
        Split prompt into ordered TTS/SFX segments.

        SFX triggers are read from EMOJI_SFX_FOLDERS and support:
        - Unicode emoji keys (example: "🎉")
        - Colon-name keys (example: ":airhorn:")
        - Discord custom emoji tokens in prompts (`<:airhorn:123>` / `<a:airhorn:123>`)
          when their normalized `:airhorn:` key exists in EMOJI_SFX_FOLDERS.
        """
        segments = []
        text_buffer = []

        def flush_text_buffer():
            if text_buffer:
                combined = "".join(text_buffer)
                if combined:
                    segments.append(("tts", combined))
                text_buffer.clear()

        cursor = 0
        for match in EMOJI_CANDIDATE_PATTERN.finditer(text):
            if match.start() > cursor:
                text_buffer.append(text[cursor : match.start()])

            token = match.group(0)
            normalized = _normalize_sfx_trigger(token)
            if normalized in EMOJI_SFX_FOLDERS:
                flush_text_buffer()
                segments.append(("sfx", token))
            else:
                text_buffer.append(token)

            cursor = match.end()

        if cursor < len(text):
            text_buffer.append(text[cursor:])

        flush_text_buffer()
        return segments

    def _render_sfx_part(self, sfx_source: Path, output_path: str, volume_percent: int):
        volume_multiplier = max(0, min(100, volume_percent)) / 100
        cmd = [
            "ffmpeg",
            "-y",
            "-i",
            str(sfx_source),
            "-filter:a",
            f"volume={volume_multiplier}",
            "-vn",
            "-ac",
            "1",
            "-ar",
            "32000",
            "-b:a",
            "128k",
            output_path,
        ]
        subprocess.run(cmd, check=True, capture_output=True, text=True)

    def _concat_audio_parts(self, part_paths, output_path: str):
        if len(part_paths) == 1:
            shutil.copyfile(part_paths[0], output_path)
            return

        cmd = ["ffmpeg", "-y"]
        for path in part_paths:
            cmd.extend(["-i", path])

        filter_inputs = "".join(f"[{i}:a]" for i in range(len(part_paths)))
        cmd.extend(
            [
                "-filter_complex",
                f"{filter_inputs}concat=n={len(part_paths)}:v=0:a=1[outa]",
                "-map",
                "[outa]",
                "-ac",
                "1",
                "-ar",
                "32000",
                "-b:a",
                "128k",
                output_path,
            ]
        )
        subprocess.run(cmd, check=True, capture_output=True, text=True)

    def _save_prompt_audio(self, api_key, model, voice_id, text, output_path: str, sfx_volume: int, mode="minimax", dectalk_url=None, vox_pack="vox", chatterbox_url=None, chatterbox_temperature=None, chatterbox_exaggeration=None, chatterbox_volume_db=0.0, chatterbox_speed=None, all_chatterbox_voices=None):
        """
        Save prompt audio with SFX and multi-voice support.

        Supports inline voice switches via [mode|voice] or [mode] tags, e.g.:
            [minimax|robotnik] Hello [dectalk] [:nh]Deep voice here

        Returns:
            dict: Response data including detected language (if available)
        """
        voice_segments = _split_voice_segments(text)
        has_voice_switches = len(voice_segments) > 1 or voice_segments[0][0] is not None

        # Fast path: no voice switches — use the legacy single-engine path
        if not has_voice_switches:
            return self._render_single_mode(
                api_key, model, voice_id, text, output_path, sfx_volume,
                mode, dectalk_url, vox_pack, chatterbox_url,
                chatterbox_temperature, chatterbox_exaggeration,
                chatterbox_volume_db, chatterbox_speed,
            )

        # Multi-voice path: render each voice segment separately, then concat
        self.tts_storage.mkdir(parents=True, exist_ok=True)
        temp_dir = os.path.join(self.tts_storage, f"parts_{os.path.basename(output_path)}")
        os.makedirs(temp_dir, exist_ok=True)
        all_parts = []

        try:
            for seg_idx, (seg_mode, seg_voice, seg_text) in enumerate(voice_segments):
                seg_text = seg_text.strip()
                if not seg_text:
                    continue

                # Resolve effective mode and voice for this segment
                eff_mode = seg_mode or mode
                if seg_voice:
                    eff_voice = resolve_voice_for_mode(eff_mode, seg_voice, all_chatterbox_voices)
                else:
                    eff_voice = voice_id

                # Split this segment's text on SFX emojis
                sfx_segments = self._split_prompt_segments(seg_text)
                if not sfx_segments:
                    continue

                for part_idx, (kind, value) in enumerate(sfx_segments):
                    part_path = os.path.join(temp_dir, f"seg{seg_idx:02}_{part_idx:03}.mp3")

                    if kind == "sfx":
                        sfx_source = self._get_sfx_source_for_trigger(value)
                        if sfx_source:
                            self._render_sfx_part(sfx_source, part_path, sfx_volume)
                            all_parts.append(part_path)
                            continue
                        # Fallback: treat as text
                        value = _normalize_sfx_trigger(value)

                    if not value.strip():
                        continue

                    self._render_tts_part(
                        value, part_path, eff_mode, eff_voice,
                        api_key, model, dectalk_url, vox_pack, chatterbox_url,
                        chatterbox_temperature, chatterbox_exaggeration,
                        chatterbox_volume_db, chatterbox_speed,
                    )
                    all_parts.append(part_path)

            if not all_parts:
                raise RuntimeError("Prompt resulted in no playable audio segments.")
            self._concat_audio_parts(all_parts, output_path)
        finally:
            shutil.rmtree(temp_dir, ignore_errors=True)

        return {"language": "MULTI"}

    def _render_tts_part(self, text, part_path, mode, voice_id,
                         api_key, model, dectalk_url, vox_pack, chatterbox_url,
                         cb_temp, cb_exag, cb_vol_db, cb_speed):
        """Render a single TTS text segment with the given engine and voice."""
        if mode == "morshu":
            self._save_morshu_tts(text, part_path)
        elif mode == "vox":
            self._save_vox_tts(text, part_path, pack=vox_pack or "vox")
        elif mode == "chatterbox":
            if not chatterbox_url:
                raise RuntimeError("Chatterbox API URL not configured")
            self._save_chatterbox_tts(
                text, part_path, chatterbox_url, voice_id,
                temperature=cb_temp, exaggeration=cb_exag,
                volume_db=cb_vol_db, speed_factor=cb_speed,
            )
        else:
            # minimax or dectalk
            self._save_minimax_tts(api_key, model, voice_id, text, part_path, mode, dectalk_url)

    def _render_single_mode(self, api_key, model, voice_id, text, output_path, sfx_volume,
                            mode, dectalk_url, vox_pack, chatterbox_url,
                            cb_temp, cb_exag, cb_vol_db, cb_speed):
        """Original single-mode render path (no inline voice switches)."""
        # Morshu mode bypasses SFX splitting
        if mode == "morshu":
            self._save_morshu_tts(text, output_path)
            return {"language": "MORSHU"}

        # VOX mode bypasses SFX splitting
        if mode == "vox":
            self._save_vox_tts(text, output_path, pack=vox_pack or "vox")
            return {"language": "VOX"}

        # Chatterbox mode
        if mode == "chatterbox":
            if not chatterbox_url:
                raise RuntimeError("Chatterbox API URL not configured")
            segments = self._split_prompt_segments(text)
            if not segments:
                raise RuntimeError("Prompt had no content to synthesize.")
            cb_kwargs = {"temperature": cb_temp, "exaggeration": cb_exag, "volume_db": cb_vol_db, "speed_factor": cb_speed}
            if not any(kind == "sfx" for kind, _ in segments):
                self._save_chatterbox_tts(text, output_path, chatterbox_url, voice_id, **cb_kwargs)
                return {"language": "CHATTERBOX"}
            part_paths = []
            temp_dir = os.path.join(self.tts_storage, f"parts_{os.path.basename(output_path)}")
            os.makedirs(temp_dir, exist_ok=True)
            try:
                for index, (kind, value) in enumerate(segments):
                    part_path = os.path.join(temp_dir, f"part_{index:03}.mp3")
                    if kind == "tts":
                        if not value.strip():
                            continue
                        self._save_chatterbox_tts(value, part_path, chatterbox_url, voice_id, **cb_kwargs)
                    else:
                        sfx_source = self._get_sfx_source_for_trigger(value)
                        if sfx_source is None:
                            normalized_text = _normalize_sfx_trigger(value)
                            self._save_chatterbox_tts(normalized_text, part_path, chatterbox_url, voice_id, **cb_kwargs)
                        else:
                            self._render_sfx_part(sfx_source, part_path, sfx_volume)
                    part_paths.append(part_path)
                if not part_paths:
                    raise RuntimeError("Prompt resulted in no playable audio segments.")
                self._concat_audio_parts(part_paths, output_path)
            finally:
                shutil.rmtree(temp_dir, ignore_errors=True)
            return {"language": "CHATTERBOX"}

        # MiniMax / DECTalk path
        segments = self._split_prompt_segments(text)
        if not segments:
            raise RuntimeError("Prompt had no content to synthesize.")

        detected_language = None

        if not any(kind == "sfx" for kind, _ in segments):
            response = self._save_minimax_tts(api_key, model, voice_id, text, output_path, mode, dectalk_url)
            if response and isinstance(response, dict):
                detected_language = response.get("data", {}).get("extra_info", {}).get("language")
            return {"language": detected_language}

        part_paths = []
        temp_dir = os.path.join(self.tts_storage, f"parts_{os.path.basename(output_path)}")
        os.makedirs(temp_dir, exist_ok=True)

        try:
            for index, (kind, value) in enumerate(segments):
                part_path = os.path.join(temp_dir, f"part_{index:03}.mp3")
                if kind == "tts":
                    if not value.strip():
                        continue
                    response = self._save_minimax_tts(api_key, model, voice_id, value, part_path, mode, dectalk_url)
                    if detected_language is None and response and isinstance(response, dict):
                        detected_language = response.get("data", {}).get("extra_info", {}).get("language")
                else:
                    sfx_source = self._get_sfx_source_for_trigger(value)
                    if sfx_source is None:
                        normalized_text = _normalize_sfx_trigger(value)
                        response = self._save_minimax_tts(api_key, model, voice_id, normalized_text, part_path, mode, dectalk_url)
                        if detected_language is None and response and isinstance(response, dict):
                            detected_language = response.get("data", {}).get("extra_info", {}).get("language")
                    else:
                        self._render_sfx_part(sfx_source, part_path, sfx_volume)
                part_paths.append(part_path)

            if not part_paths:
                raise RuntimeError("Prompt resulted in no playable audio segments.")
            self._concat_audio_parts(part_paths, output_path)
        finally:
            shutil.rmtree(temp_dir, ignore_errors=True)

        return {"language": detected_language}

    # ---------------------------------------------------------------------
    # TOP-LEVEL LOGIN (shortcut for [p]ttstoy login)
    # ---------------------------------------------------------------------
    @commands.command(name="login")
    @commands.guild_only()
    async def login_shortcut(self, ctx: commands.Context):
        """Get one-time login keys for Kingston's Scrapyard sites. Keys are DM'd to you."""
        await self.webui_login(ctx)

    # ---------------------------------------------------------------------
    # CONFIG GROUP
    # ---------------------------------------------------------------------
    @commands.group(name="ttstoy", invoke_without_command=True)
    async def ttstoy_group(self, ctx: commands.Context):
        """TTS Toy configuration and management.

        Use `[p]help ttstoy` to see all subcommands.
        """
        if ctx.invoked_subcommand is None:
            await ctx.send_help(ctx.command)

    @commands.group(name="chatterbox", invoke_without_command=True)
    async def chatterbox_group(self, ctx: commands.Context):
        """Chatterbox TTS voice management — upload, tune, and share cloned voices.

        Use `[p]help chatterbox` to see all subcommands.
        """
        if ctx.invoked_subcommand is None:
            await ctx.send_help(ctx.command)

    @chatterbox_group.command(name="guide")
    async def chatterbox_guide(self, ctx: commands.Context):
        """Full guide to Chatterbox TTS features, voice cloning, and special tokens."""
        prefix = ctx.clean_prefix

        part1 = [
            "**🏠 Chatterbox TTS Guide**",
            "",
            "**── Voice Cloning ──**",
            "Upload a voice clip and Chatterbox will clone it for TTS.",
            f"• `{prefix}chatterbox addvoice <name>` — attach a .wav or .mp3 (5+ sec)",
            f"• `{prefix}chatterbox addvoice <name> <url>` — or paste a direct link",
            f"• `{prefix}chatterbox removevoice <name>` — delete a voice",
            f"• `{prefix}chatterbox myvoices` — see your uploaded voices",
            f"• `{prefix}ttstoy myvoice <name>` — switch your active voice",
            "",
            "Tips: 5–15s of clear speech, one speaker, no background noise.",
            ".wav works best, .mp3 accepted. Short clips auto-loop to 5s.",
            "",
            "**── Special Tokens (Turbo model) ──**",
            "`[laugh]` `[chuckle]` `[sigh]` `[gasp]` `[cough]`",
            "`[clear throat]` `[sniff]` `[groan]` `[shush]`",
            f"Example: `{prefix}tts Hey [chuckle] thanks for calling back`",
        ]

        part2 = [
            "**── Voice Settings ──**",
            "All saved per voice per user. Each voice keeps its own tuning.",
            "",
            f"• `{prefix}chatterbox temp [0.0–1.5]` — randomness",
            f"• `{prefix}chatterbox exag [0.25–2.0]` — expressiveness",
            f"• `{prefix}chatterbox volume [-20–20]` — dB loudness offset",
            "Append `reset` to any of the above to clear it.",
            "",
            "**── Voice Sharing ──**",
            f"• `{prefix}chatterbox sharevoice <name> @User`",
            "",
            "**── Quick Start ──**",
            f"1. Upload: `{prefix}chatterbox addvoice MyVoice` (attach audio)",
            f"2. Speak: `{prefix}tts Hello world [laugh] cloned voice`",
            f"3. Tweak: `{prefix}chatterbox exag 1.5`",
        ]

        await ctx.send("\n".join(part1))
        await ctx.send("\n".join(part2))

    @chatterbox_group.command(name="model")
    @commands.is_owner()
    async def chatterbox_model_cmd(self, ctx: commands.Context, model: Optional[str] = None):
        """
        Show or switch the Chatterbox model (owner only).
        
        - `[p]chatterbox model` → show current model
        - `[p]chatterbox model turbo` → fast, supports [laugh] tags
        - `[p]chatterbox model original` → better voice cloning, slower
        """
        chatterbox_url = await self._get_chatterbox_api_url()

        if model is None:
            # Fetch current model info
            try:
                r = await asyncio.to_thread(
                    requests.get, f"{chatterbox_url.rstrip('/')}/api/model-info", timeout=5
                )
                r.raise_for_status()
                info = r.json()
                current = info.get("type", "unknown")
                class_name = info.get("class_name", "unknown")
                loaded = info.get("loaded", False)
            except Exception as e:
                return await ctx.send(f"❌ Cannot reach Chatterbox server: {e}")

            lines = [
                f"**Current model:** `{current}` ({class_name})",
                f"**Loaded:** {'✅' if loaded else '❌'}",
                "",
                "Available models:",
                "• `turbo` — fast, 350M params, supports [laugh]/[cough]/etc tags",
                "• `original` — better voice cloning, 0.5B params, stronger emotion control",
                "",
                f"Switch: `{ctx.clean_prefix}chatterbox model turbo` or `{ctx.clean_prefix}chatterbox model original`",
            ]
            return await ctx.send("\n".join(lines))

        model = model.lower().strip()
        model_map = {
            "turbo": "chatterbox-turbo",
            "original": "chatterbox",
            "chatterbox-turbo": "chatterbox-turbo",
            "chatterbox": "chatterbox",
        }
        repo_id = model_map.get(model)
        if not repo_id:
            return await ctx.send("❌ Model must be `turbo` or `original`.")

        msg = await ctx.send(f"🔄 Switching to `{model}`... this may take a moment.")

        try:
            # Save the new model to config
            r = await asyncio.to_thread(
                requests.post,
                f"{chatterbox_url.rstrip('/')}/save_settings",
                json={"model": {"repo_id": repo_id}},
                timeout=10,
            )
            r.raise_for_status()

            # Trigger hot-swap
            r2 = await asyncio.to_thread(
                requests.post,
                f"{chatterbox_url.rstrip('/')}/restart_server",
                timeout=120,
            )
            r2.raise_for_status()
            result = r2.json()

            await msg.edit(content=f"✅ {result.get('message', f'Switched to {model}')}")
        except Exception as e:
            log.exception("Model switch error: %s", e)
            await msg.edit(content=f"❌ Failed to switch model: {e}")

    @ttstoy_group.command(name="sfxvolume")
    @commands.is_owner()
    async def sfx_volume(self, ctx: commands.Context, volume: Optional[int] = None):
        """Show or set sound effect volume (0-100)."""
        if volume is None:
            current = await self.config.sfx_volume()
            return await ctx.send(f"Current SFX volume is `{current}`.")

        if not 0 <= volume <= 100:
            return await ctx.send("❌ SFX volume must be between 0 and 100.")

        await self.config.sfx_volume.set(volume)
        await ctx.send(f"✅ SFX volume set to `{volume}`.")

    @ttstoy_group.command(name="sfx")
    async def sfx_list(self, ctx: commands.Context):
        """List all available sound effects and their triggers."""
        lines = ["**Available Sound Effects:**", ""]
        
        # Group by folder and show emoji triggers
        folder_to_emojis = {}
        for emoji, folder in EMOJI_SFX_FOLDERS.items():
            if folder not in folder_to_emojis:
                folder_to_emojis[folder] = []
            folder_to_emojis[folder].append(emoji)
        
        # Check which folders have audio files
        for folder_name in sorted(folder_to_emojis.keys()):
            folder_path = self.sfx_root / folder_name
            audio_files = list(folder_path.glob("*.mp3")) if folder_path.exists() else []
            
            emojis = folder_to_emojis[folder_name]
            emoji_str = " ".join(emojis)
            
            if audio_files:
                file_count = len(audio_files)
                status = f"✅ ({file_count} file{'s' if file_count > 1 else ''})"
            else:
                status = "❌ (no audio)"
            
            lines.append(f"{emoji_str} → `{folder_name}` {status}")
        
        lines.append("")
        lines.append("**Usage:** Include emoji in your TTS text")
        lines.append(f"**Example:** `{ctx.clean_prefix}tts Hello 🎉 world 😂`")
        
        await ctx.send("\n".join(lines))

    @ttstoy_group.command(name="mode")
    @commands.is_owner()
    async def tts_mode(self, ctx: commands.Context, mode: Optional[str] = None):
        """
        Show or set TTS mode (minimax, chatterbox, dectalk, morshu, or vox).
        
        - `[p]ttstoy mode` → show current mode
        - `[p]ttstoy mode minimax` → use MiniMax API
        - `[p]ttstoy mode chatterbox` → use local Chatterbox TTS server
        - `[p]ttstoy mode dectalk` → use DECTalk API
        - `[p]ttstoy mode morshu` → use MorshuTalk
        - `[p]ttstoy mode vox` → use Black Mesa VOX announcer
        """
        if mode is None:
            current = await self._get_tts_mode()
            dectalk_url = await self._get_dectalk_api_url()
            chatterbox_url = await self._get_chatterbox_api_url()
            
            mode_emoji = {"minimax": "🌐", "chatterbox": "🏠", "dectalk": "🤖", "morshu": "🛒", "vox": "📢"}.get(current, "❓")
            
            lines = [
                f"**Current TTS Mode: {mode_emoji} {current.upper()}**",
                "",
                "Available modes:",
                "- `minimax` – Use MiniMax cloud API (requires API key)",
                "- `chatterbox` – Use local Chatterbox TTS server (AI voice cloning)",
                "- `dectalk` – Use DECTalk API (classic robotic voice)",
                f"- `morshu` – Use MorshuTalk ({'available' if MORSHU_AVAILABLE else 'not installed'})",
                f"- `vox` – Black Mesa VOX announcer ({'available' if VOX_AVAILABLE else 'not installed'})",
                "",
            ]
            
            if current == "chatterbox":
                lines.append(f"Chatterbox URL: `{chatterbox_url}`")
                lines.append(f"Change with: `{ctx.clean_prefix}ttstoy chatterboxurl <url>`")
            elif current == "dectalk":
                lines.append(f"DECTalk API URL: `{dectalk_url}`")
                lines.append(f"Change with: `{ctx.clean_prefix}ttstoy dectalkurl <url>`")
            elif current == "morshu":
                lines.append("MorshuTalk generates speech from Morshu's voice lines.")
                lines.append("No voice selection needed - it's always Morshu.")
            elif current == "vox":
                vox_pack = await self.config.vox_pack()
                lines.append(f"Black Mesa VOX announcer. Current pack: `{vox_pack}`")
                lines.append(f"Change pack: `{ctx.clean_prefix}ttstoy voxpack [vox|vox2]`")
                lines.append(f"List words: `{ctx.clean_prefix}ttstoy voxwords`")
            else:
                lines.append("Switch to chatterbox, dectalk, morshu, or vox mode to use alternative TTS.")
            
            return await ctx.send("\n".join(lines))
        
        mode = mode.lower().strip()
        # Accept "local" as alias for "chatterbox" for backwards compat
        if mode == "local":
            mode = "chatterbox"
        if mode not in ["minimax", "chatterbox", "dectalk", "morshu", "vox"]:
            return await ctx.send("Mode must be `minimax`, `chatterbox`, `dectalk`, `morshu`, or `vox`.")
        
        if mode == "morshu" and not MORSHU_AVAILABLE:
            return await ctx.send(
                "❌ MorshuTalk engine failed to load.\n"
                "Make sure `g2p_en`, `numpy`, and `pydub` are installed."
            )
        
        if mode == "vox" and not VOX_AVAILABLE:
            return await ctx.send("❌ VOX engine is not available. Check bot logs for details.")
        
        await self.config.tts_mode.set(mode)
        mode_emoji = {"minimax": "🌐", "chatterbox": "🏠", "dectalk": "🤖", "morshu": "🛒", "vox": "📢"}.get(mode, "❓")
        
        if mode == "morshu":
            await ctx.send(
                f"TTS mode set to {mode_emoji} **MORSHU**\n"
                f"Lamp, oil, rope, bombs? You want it? It's yours, my friend."
            )
        elif mode == "vox":
            vox_pack = await self.config.vox_pack()
            await ctx.send(
                f"TTS mode set to {mode_emoji} **VOX**\n"
                f"Black Mesa VOX announcer (pack: `{vox_pack}`).\n"
                f"Only words in the VOX dictionary will be spoken. Unknown words are skipped."
            )
        elif mode == "chatterbox":
            chatterbox_url = await self._get_chatterbox_api_url()
            await ctx.send(
                f"✅ TTS mode set to {mode_emoji} **CHATTERBOX**\n"
                f"Using Chatterbox TTS at: `{chatterbox_url}`\n"
                f"Make sure your Chatterbox TTS server is running!"
            )
        elif mode == "dectalk":
            dectalk_url = await self._get_dectalk_api_url()
            auto_start = await self.config.dectalk_auto_start()
            
            msg = f"✅ TTS mode set to {mode_emoji} **DECTALK**\n"
            msg += f"Using DECTalk API at: `{dectalk_url}`\n"
            
            if auto_start:
                msg += "🚀 Auto-starting DECTalk server..."
                await ctx.send(msg)
                
                if await self._start_dectalk_server():
                    await ctx.send("✅ DECTalk server started successfully!")
                else:
                    await ctx.send(
                        "❌ Failed to start DECTalk server.\n"
                        f"Try manually: `{ctx.clean_prefix}ttstoy dectalkstart`\n"
                        f"Or install: `{ctx.clean_prefix}ttstoy dectalkinstall`"
                    )
            else:
                msg += f"Make sure your DECTalk server is running!\n"
                msg += f"Or enable auto-start: `{ctx.clean_prefix}ttstoy dectalkautotoggle`"
                await ctx.send(msg)
        else:
            await ctx.send(
                f"✅ TTS mode set to {mode_emoji} **MINIMAX**\n"
                f"Using MiniMax cloud API. Make sure your API key is set."
            )

    @chatterbox_group.command(name="url")
    @commands.is_owner()
    async def chatterbox_url(self, ctx: commands.Context, url: Optional[str] = None):
        """
        Show or set Chatterbox TTS Server URL.
        
        - `[p]chatterbox url` → show current URL
        - `[p]chatterbox url http://127.0.0.1:8099` → set URL
        """
        if url is None:
            current = await self._get_chatterbox_api_url()
            mode = await self._get_tts_mode()
            
            lines = [
                f"**Chatterbox TTS URL:** `{current}`",
                "",
            ]
            
            if mode == "chatterbox":
                lines.append("✅ Currently using chatterbox mode")
                try:
                    test_url = f"{current.rstrip('/')}/api/ui/initial-data"
                    r = requests.get(test_url, timeout=3)
                    if r.status_code == 200:
                        lines.append("✅ Chatterbox server is reachable")
                    else:
                        lines.append(f"⚠️ Chatterbox returned status {r.status_code}")
                except Exception as e:
                    lines.append(f"❌ Cannot reach Chatterbox: {e}")
            else:
                lines.append(f"ℹ️ Currently using {mode} mode")
                lines.append(f"Switch with: `{ctx.clean_prefix}ttstoy mode chatterbox`")
            
            return await ctx.send("\n".join(lines))
        
        url = url.strip().rstrip('/')
        if not url.startswith(('http://', 'https://')):
            return await ctx.send("❌ URL must start with http:// or https://")
        
        try:
            test_url = f"{url}/api/ui/initial-data"
            r = requests.get(test_url, timeout=5)
            if r.status_code != 200:
                return await ctx.send(
                    f"⚠️ Warning: URL returned status {r.status_code}\n"
                    f"Saving anyway. Make sure your Chatterbox server is running."
                )
        except Exception as e:
            return await ctx.send(
                f"⚠️ Warning: Cannot reach URL: {e}\n"
                f"Saving anyway. Make sure your Chatterbox server is running."
            )
        
        await self.config.chatterbox_api_url.set(url)
        await ctx.send(f"✅ Chatterbox URL set to: `{url}`")

    @chatterbox_group.command(name="addvoice")
    async def add_voice(self, ctx: commands.Context, name: Optional[str] = None, url: Optional[str] = None):
        """
        Upload a voice clip to Chatterbox and add it to your voice list.
        
        Attach a .wav or .mp3 file, or paste a direct link to one.
        The voice is automatically set as your active voice.
        - `[p]chatterbox addvoice MyVoice` (with audio attachment)
        - `[p]chatterbox addvoice MyVoice https://example.com/clip.mp3`
        """
        # Detect if name is actually a URL
        if name and re.match(r'<?https?://', name, re.IGNORECASE):
            url = name
            name = None

        # Strip Discord's angle-bracket embed suppression from URLs
        if url:
            url = url.strip("<>")

        has_attachment = bool(ctx.message.attachments)
        has_url = bool(url and re.match(r'https?://', url, re.IGNORECASE))

        if not has_attachment and not has_url:
            return await ctx.send(
                "❌ Attach a `.wav` or `.mp3` audio clip, or paste a direct link.\n"
                f"Example: `{ctx.clean_prefix}chatterbox addvoice CoolVoice` with a file attached\n"
                f"Example: `{ctx.clean_prefix}chatterbox addvoice CoolVoice https://example.com/clip.mp3`"
            )

        if has_attachment:
            attachment = ctx.message.attachments[0]
            lower_name = attachment.filename.lower()
            if not (lower_name.endswith(".wav") or lower_name.endswith(".mp3")):
                return await ctx.send("❌ Only `.wav` and `.mp3` files are supported.")
            source_filename = attachment.filename
        else:
            # Extract filename from URL path
            url_path = url.split("?")[0].split("#")[0]
            source_filename = url_path.rsplit("/", 1)[-1]
            lower_url = source_filename.lower()
            # Accept .wav, .mp3, or extensionless (we'll convert later via pydub)
            if "." in source_filename and not (lower_url.endswith(".wav") or lower_url.endswith(".mp3")):
                return await ctx.send("❌ URL must point to a `.wav` or `.mp3` file.")
            if "." not in source_filename:
                source_filename = source_filename + ".wav"

        # Build filename: prefix with user ID to avoid collisions
        if name:
            safe_name = re.sub(r'[^a-zA-Z0-9_]', '', name)
            if not safe_name:
                return await ctx.send("❌ Voice name must contain at least one letter or number.")
        else:
            safe_name = re.sub(r'[^a-zA-Z0-9_]', '', source_filename.rsplit('.', 1)[0])
            if not safe_name:
                safe_name = "voice"

        ext = ".wav" if source_filename.lower().endswith(".wav") else ".mp3"
        filename = f"{ctx.author.id}_{safe_name}{ext}"

        chatterbox_url = await self._get_chatterbox_api_url()

        async with ctx.typing():
            try:
                if has_attachment:
                    audio_bytes = await ctx.message.attachments[0].read()
                else:
                    try:
                        r = await asyncio.to_thread(requests.get, url, timeout=30)
                        r.raise_for_status()
                        audio_bytes = r.content
                    except Exception as e:
                        return await ctx.send(f"❌ Failed to download audio from URL: {e}")

                # Ensure minimum duration (Chatterbox requires >5 seconds)
                # Loop short clips until they're long enough
                try:
                    from pydub import AudioSegment
                    import io as _io
                    audio_seg = AudioSegment.from_file(_io.BytesIO(audio_bytes))
                    min_ms = 6000  # 6 seconds to be safe
                    if len(audio_seg) < min_ms:
                        loops_needed = (min_ms // len(audio_seg)) + 1
                        audio_seg = audio_seg * loops_needed
                        log.info(f"[Chatterbox] Looped short clip {loops_needed}x to {len(audio_seg)/1000:.1f}s")
                    # Always export as wav for best compatibility
                    buf = _io.BytesIO()
                    audio_seg.export(buf, format="wav")
                    audio_bytes = buf.getvalue()
                    ext = ".wav"
                    filename = f"{ctx.author.id}_{safe_name}{ext}"
                except ImportError:
                    log.warning("[Chatterbox] pydub not available, skipping duration check")
                except Exception as e_dur:
                    log.warning(f"[Chatterbox] Could not check/loop audio duration: {e_dur}")

                upload_url = f"{chatterbox_url.rstrip('/')}/upload_predefined_voice"
                files = {"files": (filename, audio_bytes, "audio/wav")}
                r = await asyncio.to_thread(
                    requests.post, upload_url, files=files, timeout=30
                )
                r.raise_for_status()
                data = r.json()

                errors = data.get("errors", [])
                uploaded = data.get("uploaded_files", [])

                if errors and not uploaded:
                    error_msg = errors[0].get("error", "Unknown error")
                    return await ctx.send(f"❌ Upload failed: {error_msg}")

                # Add to user's voice list
                user_voices = await self.config.user(ctx.author).chatterbox_voices()
                if filename not in user_voices:
                    user_voices.append(filename)
                    await self.config.user(ctx.author).chatterbox_voices.set(user_voices)

                # Auto-set as active voice
                await self.config.user(ctx.author).minimax_voice.set(filename)

                await ctx.send(
                    f"✅ Voice `{safe_name}` uploaded and set as your active voice!\n"
                    f"Switch voices: `{ctx.clean_prefix}chatterbox myvoices`"
                )
            except Exception as e:
                log.exception("Voice upload error: %s", e)
                await ctx.send(f"❌ Failed to upload voice: {e}")

    @chatterbox_group.command(name="removevoice")
    async def remove_voice(self, ctx: commands.Context, name: str):
        """
        Remove a voice from your personal voice list and delete it from the server.
        
        - `[p]chatterbox removevoice CoolVoice`
        """
        user_voices = await self.config.user(ctx.author).chatterbox_voices()
        
        if not user_voices:
            return await ctx.send("You don't have any uploaded voices.")

        # Find matching voice (user can type just the name without ID prefix/extension)
        match = None
        for v in user_voices:
            # Match by exact filename, or by the name part after the user ID prefix
            parts = v.split("_", 1)
            voice_name = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else v.rsplit(".", 1)[0]
            if v == name or voice_name.lower() == name.lower() or v.lower() == name.lower():
                match = v
                break

        if not match:
            voice_names = ", ".join(
                v.split("_", 1)[1].rsplit(".", 1)[0] if "_" in v else v.rsplit(".", 1)[0]
                for v in user_voices
            )
            return await ctx.send(f"❌ Voice `{name}` not found in your list.\nYour voices: {voice_names}")

        user_voices.remove(match)
        await self.config.user(ctx.author).chatterbox_voices.set(user_voices)

        # Clean up per-voice settings
        for offsets_key in ("chatterbox_temperature_offsets", "chatterbox_exaggeration_offsets", "chatterbox_volume_offsets"):
            offsets = await getattr(self.config.user(ctx.author), offsets_key)()
            if match in offsets:
                offsets.pop(match)
                await getattr(self.config.user(ctx.author), offsets_key).set(offsets)

        # Only delete from server if this user is the original uploader
        # (filename starts with their user ID). Shared voices stay on the server.
        is_owner_of_file = match.startswith(f"{ctx.author.id}_")
        if is_owner_of_file:
            chatterbox_url = await self._get_chatterbox_api_url()
            try:
                del_url = f"{chatterbox_url.rstrip('/')}/delete_predefined_voice/{match}"
                r = await asyncio.to_thread(requests.delete, del_url, timeout=10)
                if r.status_code not in (200, 204, 404):
                    log.warning(f"[Chatterbox] Failed to delete voice file {match}: HTTP {r.status_code}")
            except Exception as e:
                log.warning(f"[Chatterbox] Could not delete voice file {match} from server: {e}")

        # If this was the active voice, clear it
        current = await self.config.user(ctx.author).minimax_voice()
        if current == match:
            if user_voices:
                await self.config.user(ctx.author).minimax_voice.set(user_voices[0])
                new_name = user_voices[0].split("_", 1)[1].rsplit(".", 1)[0] if "_" in user_voices[0] else user_voices[0]
                await ctx.send(f"✅ Voice `{name}` removed. Switched to `{new_name}`.")
            else:
                await self.config.user(ctx.author).minimax_voice.set(None)
                await ctx.send(f"✅ Voice `{name}` removed. Using default voice now.")
        else:
            await ctx.send(f"✅ Voice `{name}` removed from your list.")

    @chatterbox_group.command(name="myvoices")
    async def my_voices(self, ctx: commands.Context):
        """List your uploaded Chatterbox voices and switch between them."""
        mode = await self._get_tts_mode()
        if mode != "chatterbox":
            return await ctx.send(f"Voice management is only available in chatterbox mode.\nSwitch with: `{ctx.clean_prefix}ttstoy mode chatterbox`")

        user_voices = await self.config.user(ctx.author).chatterbox_voices()
        current = await self.config.user(ctx.author).minimax_voice()

        if not user_voices:
            return await ctx.send(
                "You haven't uploaded any voices yet.\n"
                f"Upload one: `{ctx.clean_prefix}chatterbox addvoice MyVoice` (attach a .wav or .mp3)"
            )

        lines = ["**Your Voices:**", ""]
        for v in user_voices:
            # Extract display name from filename (strip user ID prefix and extension)
            parts = v.split("_", 1)
            display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else v.rsplit(".", 1)[0]
            marker = " ← active" if v == current else ""
            lines.append(f"  `{display}`{marker}")

        lines.append("")
        lines.append(f"Switch: `{ctx.clean_prefix}ttstoy myvoice <name>`")
        lines.append(f"Add: `{ctx.clean_prefix}chatterbox addvoice <name>` (attach audio)")
        lines.append(f"Remove: `{ctx.clean_prefix}chatterbox removevoice <name>`")

        await ctx.send("\n".join(lines))


    @chatterbox_group.command(name="temp")
    async def chatterbox_temperature(self, ctx: commands.Context, value: Optional[float] = None):
        """
        Show or set Chatterbox temperature for your current voice (0.0–1.5).
        
        Saved per voice per user — each voice remembers its own setting.
        Lower = more consistent, higher = more varied.
        - `[p]chatterbox temp` → show current
        - `[p]chatterbox temp 0.8` → set value
        - `[p]chatterbox temp reset` → use server default
        """
        voice = await self._get_effective_minimax_voice(ctx.author)
        offsets = await self.config.user(ctx.author).chatterbox_temperature_offsets()

        # Migrate old global setting on first use
        if not offsets:
            old_val = await self.config.user(ctx.author).chatterbox_temperature()
            if old_val is not None:
                offsets[voice] = old_val
                await self.config.user(ctx.author).chatterbox_temperature_offsets.set(offsets)
                await self.config.user(ctx.author).chatterbox_temperature.set(None)

        if value is None:
            current = offsets.get(voice)
            if current is None:
                return await ctx.send(
                    f"Temperature for `{voice}`: `server default`\n"
                    f"Set with: `{ctx.clean_prefix}chatterbox temp 0.8`"
                )
            return await ctx.send(
                f"Temperature for `{voice}`: `{current}`\n"
                f"Reset with: `{ctx.clean_prefix}chatterbox temp reset`"
            )

        offsets[voice] = value
        await self.config.user(ctx.author).chatterbox_temperature_offsets.set(offsets)
        await ctx.send(f"✅ Temperature for `{voice}` set to `{value}`.")

    @chatterbox_temperature.error
    async def chatterbox_temperature_error(self, ctx, error):
        """Handle 'reset' being passed as a non-float."""
        if isinstance(error, commands.BadArgument):
            msg_content = ctx.message.content.lower()
            if "reset" in msg_content:
                voice = await self._get_effective_minimax_voice(ctx.author)
                offsets = await self.config.user(ctx.author).chatterbox_temperature_offsets()
                offsets.pop(voice, None)
                await self.config.user(ctx.author).chatterbox_temperature_offsets.set(offsets)
                await ctx.send(f"✅ Temperature for `{voice}` reset to server default.")
            else:
                await ctx.send("❌ Value must be a number (0.0–1.5) or `reset`.")

    @chatterbox_group.command(name="exag")
    async def chatterbox_exaggeration(self, ctx: commands.Context, value: Optional[float] = None):
        """
        Show or set Chatterbox exaggeration for your current voice (0.25–2.0).
        
        Saved per voice per user — each voice remembers its own setting.
        Higher = more expressive/dramatic delivery.
        - `[p]chatterbox exag` → show current
        - `[p]chatterbox exag 1.5` → set value
        - `[p]chatterbox exag reset` → use server default
        """
        voice = await self._get_effective_minimax_voice(ctx.author)
        offsets = await self.config.user(ctx.author).chatterbox_exaggeration_offsets()

        # Migrate old global setting on first use
        if not offsets:
            old_val = await self.config.user(ctx.author).chatterbox_exaggeration()
            if old_val is not None:
                offsets[voice] = old_val
                await self.config.user(ctx.author).chatterbox_exaggeration_offsets.set(offsets)
                await self.config.user(ctx.author).chatterbox_exaggeration.set(None)

        if value is None:
            current = offsets.get(voice)
            if current is None:
                return await ctx.send(
                    f"Exaggeration for `{voice}`: `server default`\n"
                    f"Set with: `{ctx.clean_prefix}chatterbox exag 1.5`"
                )
            return await ctx.send(
                f"Exaggeration for `{voice}`: `{current}`\n"
                f"Reset with: `{ctx.clean_prefix}chatterbox exag reset`"
            )

        offsets[voice] = value
        await self.config.user(ctx.author).chatterbox_exaggeration_offsets.set(offsets)
        await ctx.send(f"✅ Exaggeration for `{voice}` set to `{value}`.")

    @chatterbox_exaggeration.error
    async def chatterbox_exaggeration_error(self, ctx, error):
        """Handle 'reset' being passed as a non-float."""
        if isinstance(error, commands.BadArgument):
            msg_content = ctx.message.content.lower()
            if "reset" in msg_content:
                voice = await self._get_effective_minimax_voice(ctx.author)
                offsets = await self.config.user(ctx.author).chatterbox_exaggeration_offsets()
                offsets.pop(voice, None)
                await self.config.user(ctx.author).chatterbox_exaggeration_offsets.set(offsets)
                await ctx.send(f"✅ Exaggeration for `{voice}` reset to server default.")
            else:
                await ctx.send("❌ Value must be a number (0.25–2.0) or `reset`.")

    @chatterbox_group.command(name="volume")
    async def chatterbox_volume(self, ctx: commands.Context, value: Optional[float] = None):
        """
        Show or set a volume offset (in dB) for your current Chatterbox voice.

        Each voice can have its own offset so they all sound equally loud.
        - `[p]chatterbox volume` → show offset for your active voice
        - `[p]chatterbox volume -3` → make current voice 3 dB quieter
        - `[p]chatterbox volume 4.5` → make current voice 4.5 dB louder
        - `[p]chatterbox volume reset` → remove offset for current voice
        Range: -20.0 to +20.0 dB.
        """
        voice = await self._get_effective_minimax_voice(ctx.author)
        offsets = await self.config.user(ctx.author).chatterbox_volume_offsets()

        if value is None:
            current = offsets.get(voice, 0.0)
            if current == 0.0:
                return await ctx.send(
                    f"🔊 Voice `{voice}` has no volume offset (0 dB).\n"
                    f"Set one with: `{ctx.clean_prefix}chatterbox volume <dB>`"
                )
            sign = "+" if current > 0 else ""
            return await ctx.send(f"🔊 Voice `{voice}` volume offset: `{sign}{current} dB`")

        if value < -20.0 or value > 20.0:
            return await ctx.send("❌ Volume offset must be between -20.0 and +20.0 dB.")

        offsets[voice] = value
        await self.config.user(ctx.author).chatterbox_volume_offsets.set(offsets)
        sign = "+" if value > 0 else ""
        await ctx.send(f"✅ Volume offset for `{voice}` set to `{sign}{value} dB`.")

    @chatterbox_volume.error
    async def chatterbox_volume_error(self, ctx, error):
        """Handle 'reset' being passed as a non-float."""
        if isinstance(error, commands.BadArgument):
            msg_content = ctx.message.content.lower()
            if "reset" in msg_content:
                voice = await self._get_effective_minimax_voice(ctx.author)
                offsets = await self.config.user(ctx.author).chatterbox_volume_offsets()
                offsets.pop(voice, None)
                await self.config.user(ctx.author).chatterbox_volume_offsets.set(offsets)
                await ctx.send(f"✅ Volume offset for `{voice}` reset to 0 dB.")
            else:
                await ctx.send("❌ Value must be a number (-20.0 to +20.0) or `reset`.")

    @chatterbox_group.command(name="speed")
    async def chatterbox_speed(self, ctx: commands.Context, value: Optional[float] = None):
        """
        Show or set speed for your current voice (0.25–4.0).
        
        Saved per-voice — each voice remembers its own speed.
        - `[p]chatterbox speed` → show current voice's speed
        - `[p]chatterbox speed 1.2` → set speed (1.0 = normal)
        - `[p]chatterbox speed reset` → remove speed override
        """
        voice = await self._get_effective_minimax_voice(ctx.author)
        offsets = await self.config.user(ctx.author).chatterbox_speed_offsets()
        
        parts = voice.split("_", 1)
        display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 and parts[0].isdigit() else voice.rsplit(".", 1)[0]
        
        if value is None:
            current = offsets.get(voice)
            if current is None:
                return await ctx.send(
                    f"Speed for `{display}`: `default (1.0)`\n"
                    f"Set with: `{ctx.clean_prefix}chatterbox speed 1.2`"
                )
            return await ctx.send(
                f"Speed for `{display}`: `{current}`\n"
                f"Reset with: `{ctx.clean_prefix}chatterbox speed reset`"
            )
        
        if not 0.25 <= value <= 4.0:
            return await ctx.send("❌ Speed must be between 0.25 and 4.0.")
        
        offsets[voice] = value
        await self.config.user(ctx.author).chatterbox_speed_offsets.set(offsets)
        await ctx.send(f"✅ Speed for `{display}` set to `{value}`.")

    @chatterbox_speed.error
    async def chatterbox_speed_error(self, ctx, error):
        """Handle 'reset' being passed as a non-float."""
        if isinstance(error, commands.BadArgument):
            msg_content = ctx.message.content.lower()
            if "reset" in msg_content:
                voice = await self._get_effective_minimax_voice(ctx.author)
                offsets = await self.config.user(ctx.author).chatterbox_speed_offsets()
                offsets.pop(voice, None)
                await self.config.user(ctx.author).chatterbox_speed_offsets.set(offsets)
                parts = voice.split("_", 1)
                display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 and parts[0].isdigit() else voice.rsplit(".", 1)[0]
                await ctx.send(f"✅ Speed for `{display}` reset to default.")
            else:
                await ctx.send("❌ Value must be a number (0.25–4.0) or `reset`.")

    @chatterbox_group.command(name="sharevoice")
    async def share_voice(self, ctx: commands.Context, name: str, target: discord.Member):
        """
        Share one of your Chatterbox voices with another user.

        Adds the voice to their library so they can use it too.
        - `[p]chatterbox sharevoice CoolVoice @Friend`
        """
        if target.bot:
            return await ctx.send("❌ You can't share voices with bots.")
        if target.id == ctx.author.id:
            return await ctx.send("❌ You already have that voice.")

        user_voices = await self.config.user(ctx.author).chatterbox_voices()
        if not user_voices:
            return await ctx.send("You don't have any uploaded voices to share.")

        # Find matching voice
        match = None
        for v in user_voices:
            parts = v.split("_", 1)
            voice_name = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else v.rsplit(".", 1)[0]
            if v == name or voice_name.lower() == name.lower() or v.lower() == name.lower():
                match = v
                break

        if not match:
            voice_names = ", ".join(
                v.split("_", 1)[1].rsplit(".", 1)[0] if "_" in v else v.rsplit(".", 1)[0]
                for v in user_voices
            )
            return await ctx.send(f"❌ Voice `{name}` not found in your list.\nYour voices: {voice_names}")

        # Check if target already has this voice
        target_voices = await self.config.user(target).chatterbox_voices()
        if match in target_voices:
            parts = match.split("_", 1)
            display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else match.rsplit(".", 1)[0]
            return await ctx.send(f"❌ {target.display_name} already has `{display}`.")

        # Add the same voice file to the target user's library
        target_voices.append(match)
        await self.config.user(target).chatterbox_voices.set(target_voices)

        parts = match.split("_", 1)
        display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else match.rsplit(".", 1)[0]
        await ctx.send(
            f"✅ Voice `{display}` shared with {target.display_name}!\n"
            f"They can switch to it with: `{ctx.clean_prefix}ttstoy myvoice {display}`"
        )

    @chatterbox_group.command(name="reset")
    async def chatterbox_reset(self, ctx: commands.Context):
        """
        Reset all per-voice parameters (temp, exag, volume, speed) for your current voice to server defaults.

        - `[p]chatterbox reset`
        """
        voice = await self._get_effective_minimax_voice(ctx.author)
        parts = voice.split("_", 1)
        display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 and parts[0].isdigit() else voice.rsplit(".", 1)[0]

        cleared = []
        for key in ("chatterbox_temperature_offsets", "chatterbox_exaggeration_offsets", "chatterbox_volume_offsets", "chatterbox_speed_offsets"):
            offsets = await getattr(self.config.user(ctx.author), key)()
            if voice in offsets:
                offsets.pop(voice)
                await getattr(self.config.user(ctx.author), key).set(offsets)
                cleared.append(key.replace("chatterbox_", "").replace("_offsets", ""))

        if cleared:
            await ctx.send(f"✅ Reset {', '.join(cleared)} for `{display}` to server defaults.")
        else:
            await ctx.send(f"ℹ️ `{display}` is already using all server defaults.")


    @ttstoy_group.command(name="dectalkurl")
    @commands.is_owner()
    async def dectalk_url(self, ctx: commands.Context, url: Optional[str] = None):
        """
        Show or set DECTalk API URL.
        
        - `[p]ttstoy dectalkurl` → show current URL
        - `[p]ttstoy dectalkurl http://127.0.0.1:3001` → set URL
        """
        if url is None:
            current = await self._get_dectalk_api_url()
            mode = await self._get_tts_mode()
            
            lines = [
                f"**DECTalk API URL:** `{current}`",
                "",
            ]
            
            if mode == "dectalk":
                lines.append("✅ Currently using DECTalk mode")
                # Test connection
                try:
                    test_url = f"{current.rstrip('/')}/health"
                    r = requests.get(test_url, timeout=2)
                    if r.status_code == 200:
                        lines.append("✅ DECTalk API is reachable")
                    else:
                        lines.append(f"⚠️ DECTalk API returned status {r.status_code}")
                except Exception as e:
                    lines.append(f"❌ Cannot reach DECTalk API: {e}")
            else:
                lines.append("ℹ️ Not currently using DECTalk mode")
                lines.append(f"Switch with: `{ctx.clean_prefix}ttstoy mode dectalk`")
            
            return await ctx.send("\n".join(lines))
        
        url = url.strip().rstrip('/')
        if not url.startswith(('http://', 'https://')):
            return await ctx.send("❌ URL must start with http:// or https://")
        
        # Test the URL
        try:
            test_url = f"{url}/health"
            r = requests.get(test_url, timeout=5)
            if r.status_code != 200:
                return await ctx.send(
                    f"⚠️ Warning: URL returned status {r.status_code}\n"
                    f"Saving anyway. Make sure your DECTalk server is running."
                )
        except Exception as e:
            return await ctx.send(
                f"⚠️ Warning: Cannot reach URL: {e}\n"
                f"Saving anyway. Make sure your DECTalk server is running."
            )
        
        await self.config.dectalk_api_url.set(url)
        await ctx.send(f"✅ DECTalk API URL set to: `{url}`")

    @ttstoy_group.command(name="dectalkinstall")
    @commands.is_owner()
    async def dectalk_install(self, ctx: commands.Context):
        """Install the built-in DECTalk server."""
        await ctx.send("📦 Installing DECTalk server (this may take a minute)...")
        
        success = await self._install_dectalk_server()
        
        if success:
            await ctx.send(
                "✅ DECTalk server installed successfully!\n"
                f"Start it with: `{ctx.clean_prefix}ttstoy dectalkstart`\n"
                f"Or enable auto-start: `{ctx.clean_prefix}ttstoy dectalkautotoggle`"
            )
        else:
            await ctx.send(
                "❌ Failed to install DECTalk server.\n"
                "Make sure Node.js and npm are installed.\n"
                "Check the bot logs for details."
            )

    @ttstoy_group.command(name="dectalkstart")
    @commands.is_owner()
    async def dectalk_start(self, ctx: commands.Context):
        """Start the built-in DECTalk server."""
        await ctx.send("🚀 Starting DECTalk server...")
        
        success = await self._start_dectalk_server()
        
        if success:
            await ctx.send(
                f"✅ DECTalk server started on port {self.dectalk_port}!\n"
                f"Switch to DECTalk mode: `{ctx.clean_prefix}ttstoy mode dectalk`"
            )
        else:
            await ctx.send(
                "❌ Failed to start DECTalk server.\n"
                f"Try installing first: `{ctx.clean_prefix}ttstoy dectalkinstall`\n"
                "Check the bot logs for details."
            )

    @ttstoy_group.command(name="dectalkstop")
    @commands.is_owner()
    async def dectalk_stop(self, ctx: commands.Context):
        """Stop the built-in DECTalk server."""
        if not self.dectalk_process or self.dectalk_process.poll() is not None:
            return await ctx.send("❌ DECTalk server is not running")
        
        await self._stop_dectalk_server()
        await ctx.send("✅ DECTalk server stopped")

    @ttstoy_group.command(name="dectalkstatus")
    @commands.is_owner()
    async def dectalk_status(self, ctx: commands.Context):
        """Check DECTalk server status."""
        auto_start = await self.config.dectalk_auto_start()
        dectalk_url = await self._get_dectalk_api_url()
        
        # Check if installed
        server_js = self.dectalk_dir / "server.js"
        node_modules = self.dectalk_dir / "node_modules"
        installed = server_js.exists() and node_modules.exists()
        
        # Check if process is running
        process_running = self.dectalk_process and self.dectalk_process.poll() is None
        
        # Check if API is responding
        api_responding = False
        try:
            test_url = f"{dectalk_url.rstrip('/')}/health"
            r = requests.get(test_url, timeout=2)
            api_responding = r.status_code == 200
        except:
            pass
        
        lines = [
            "**DECTalk Server Status**",
            f"Installed: {'✅ Yes' if installed else '❌ No'}",
            f"Process Running: {'✅ Yes' if process_running else '❌ No'}",
            f"API Responding: {'✅ Yes' if api_responding else '❌ No'}",
            f"Auto-start: {'✅ Enabled' if auto_start else '❌ Disabled'}",
            f"URL: `{dectalk_url}`",
            "",
        ]
        
        if not installed:
            lines.append(f"Install with: `{ctx.clean_prefix}ttstoy dectalkinstall`")
        elif not process_running:
            lines.append(f"Start with: `{ctx.clean_prefix}ttstoy dectalkstart`")
        
        await ctx.send("\n".join(lines))

    @ttstoy_group.command(name="dectalkautotoggle")
    @commands.is_owner()
    async def dectalk_auto_toggle(self, ctx: commands.Context):
        """Toggle auto-start for built-in DECTalk server."""
        current = await self.config.dectalk_auto_start()
        new_state = not current
        await self.config.dectalk_auto_start.set(new_state)
        
        status = "enabled" if new_state else "disabled"
        await ctx.send(f"✅ DECTalk auto-start {status}")
        
        if new_state:
            await ctx.send("DECTalk server will start automatically when switching to DECTalk mode.")
        else:
            await ctx.send(f"You'll need to manually start DECTalk with `{ctx.clean_prefix}ttstoy dectalkstart`")

    @ttstoy_group.command(name="accessibility")
    @commands.is_owner()
    async def accessibility_toggle(self, ctx: commands.Context):
        """Toggle accessibility mode (forces DECTalk, disables SFX emojis)."""
        current = await self.config.accessibility_mode()
        new_state = not current
        await self.config.accessibility_mode.set(new_state)
        
        if new_state:
            await ctx.send(
                "♿ **Accessibility mode enabled.**\n"
                "• TTS forced to DECTalk\n"
                "• Emoji SFX disabled (emojis read as text instead)"
            )
        else:
            await ctx.send("♿ **Accessibility mode disabled.** Normal TTS settings restored.")

    @ttstoy_group.command(name="voxpack")
    @commands.is_owner()
    async def vox_pack_cmd(self, ctx: commands.Context, pack: Optional[str] = None):
        """Show or set the VOX voice pack (vox or vox2)."""
        if pack is None:
            current = await self.config.vox_pack()
            packs = get_available_packs() if VOX_AVAILABLE else []
            return await ctx.send(
                f"Current VOX pack: `{current}`\n"
                f"Available packs: {', '.join(f'`{p}`' for p in packs) or 'none'}"
            )
        
        pack = pack.lower().strip()
        if not VOX_AVAILABLE:
            return await ctx.send("❌ VOX engine is not available.")
        
        available = get_available_packs()
        if pack not in available:
            return await ctx.send(f"❌ Pack `{pack}` not found. Available: {', '.join(f'`{p}`' for p in available)}")
        
        await self.config.vox_pack.set(pack)
        await ctx.send(f"✅ VOX pack set to `{pack}`.")

    @ttstoy_group.command(name="voxwords")
    async def vox_words_cmd(self, ctx: commands.Context):
        """List available words in the current VOX pack."""
        if not VOX_AVAILABLE:
            return await ctx.send("❌ VOX engine is not available.")
        
        pack = await self.config.vox_pack()
        words = get_available_words(pack)
        
        if not words:
            return await ctx.send(f"No words found in VOX pack `{pack}`.")
        
        # Split into chunks to avoid message length limits
        header = f"**VOX Words ({pack}) — {len(words)} words:**\n"
        chunk = header
        for w in words:
            entry = f"`{w}` "
            if len(chunk) + len(entry) > 1900:
                await ctx.send(chunk)
                chunk = ""
            chunk += entry
        
        if chunk:
            await ctx.send(chunk)

    @ttstoy_group.command(name="info")
    async def ttstoy_info(self, ctx: commands.Context):
        """DM usage instructions for TTS Toy."""
        prefix = ctx.clean_prefix
        is_owner = await self.bot.is_owner(ctx.author)
        mode = await self._get_tts_mode()

        lines = []
        if is_owner:
            lines.extend(
                [
                    "## Setup Instructions (Owner)",
                    f"1. Choose TTS mode with `{prefix}ttstoy mode [minimax|chatterbox|dectalk|morshu|vox]`.",
                    "",
                    "**For MiniMax mode:**",
                    f"- Set your MiniMax API key with `{prefix}ttstoy key`.",
                    f"- Pick a model with `{prefix}ttstoy model <model_name>`.",
                    "",
                    "**For Chatterbox mode:**",
                    f"- Set Chatterbox URL with `{prefix}ttstoy chatterboxurl <url>` (default: http://127.0.0.1:8004).",
                    f"- Make sure your Chatterbox TTS server is running.",
                    "",
                    "**For DECTalk mode:**",
                    f"- Set DECTalk API URL with `{prefix}ttstoy dectalkurl <url>`.",
                    f"- Make sure your DECTalk server is running.",
                    f"- Use voice commands in your text: `[:np]` Paul, `[:nb]` Betty, `[:nh]` Harry, etc.",
                    f"- Run `{prefix}ttstoy myvoice` to see all voice commands.",
                    "",
                    "**For Morshu mode:**",
                    f"- Just switch to morshu mode — no setup needed.",
                    f"- All text is spoken in Morshu's voice from the CD-i Zelda games.",
                    "",
                    "**For VOX mode:**",
                    f"- Black Mesa VOX announcer from Half-Life.",
                    f"- Only words in the VOX dictionary are spoken; unknown words are skipped.",
                    f"- Choose pack with `{prefix}ttstoy voxpack [vox|vox2]`.",
                    f"- List words with `{prefix}ttstoy voxwords`.",
                    "",
                    f"2. Set a global default voice with `{prefix}ttstoy voice <name or voice_id>`.",
                    f"3. (Optional) Tune emoji SFX volume with `{prefix}ttstoy sfxvolume <0-100>`.",
                    "",
                ]
            )

        mode_emoji = {"minimax": "🌐", "chatterbox": "🏠", "dectalk": "🤖", "morshu": "🛒", "vox": "📢"}.get(mode, "❓")
        lines.extend(
            [
                "## End User Instructions",
                f"Current mode: **{mode.upper()}** {mode_emoji}",
                "",
                f"1. (Optional) Set your own voice with `{prefix}ttstoy myvoice <name or voice_id>`.",
                f"2. Check your current/personal voice with `{prefix}ttstoy myvoice`.",
                f"3. Speak in voice chat with `{prefix}tts <text>`.",
                "4. Include supported emoji in your text to trigger SFX clips.",
            ]
        )

        try:
            await ctx.author.send("\n".join(lines))
        except discord.Forbidden:
            await ctx.send("❌ I couldn't DM you. Please enable DMs and try again.")
            return

        await ctx.send("✅ I sent you a DM with ttstoy instructions.")

    # --------- API KEY VIA BUTTON + MODAL ---------
    @ttstoy_group.command(name="key")
    @commands.is_owner()
    async def minimax_key(self, ctx: commands.Context):
        """
        Opens a button that launches a dialog to enter the MiniMax API key.
        """
        view = MinimaxKeyButton(self.config)
        await ctx.send("Click the button to enter your MiniMax API key:", view=view)

    # --------- MODEL SET / LIST ---------
    @ttstoy_group.command(name="model")
    @commands.is_owner()
    async def minimax_model(self, ctx: commands.Context, model: Optional[str] = None):
        """
        Show or set the MiniMax TTS model.

        - `[p]ttstoy model`           → show known models & current setting
        - `[p]ttstoy model speech-01-turbo` → set model
        """
        # If no model given, show list + current
        if model is None:
            current = await self.config.minimax_model()

            lines = [
                "**MiniMax TTS Models**",
                "",
                "These are example model names you can use (subject to your MiniMax account):",
                "- `speech-01-turbo`  – fast & cheap",
                "- `speech-01-hd`     – higher quality, slower",
                "- `speech-02-turbo`  – newer fast model",
                "- `speech-02-hd`     – newer high quality model",
                "",
                f"Current configured model: `{current}`",
                "",
                f"To change it, run:\n`{ctx.clean_prefix}ttstoy model <model_name>`",
            ]
            return await ctx.send("\n".join(lines))

        # Model given: set it
        model = model.strip()
        await self.config.minimax_model.set(model)
        await ctx.send(f"✅ MiniMax model set to `{model}`.")

    # --------- GLOBAL VOICE ---------
    @ttstoy_group.command(name="voice")
    @commands.is_owner()
    async def minimax_voice(self, ctx: commands.Context, *, voice_id: Optional[str] = None):
        """
        Set or show the global default voice.
        Usage: [p]ttstoy voice [voice_name]
        """
        mode = await self._get_tts_mode()
        
        # Show voice list if no voice provided
        if not voice_id:
            current = await self.config.minimax_voice()
            
            if mode == "dectalk":
                lines = [
                    "**DECTalk Voice Commands** (use in text):",
                    "`[:np]` Paul (default) • `[:nb]` Betty • `[:nh]` Harry • `[:nf]` Frank",
                    "`[:nd]` Dennis • `[:nk]` Kit • `[:nu]` Ursula • `[:nr]` Rita • `[:nw]` Wendy",
                    "",
                    "**Example:**",
                    f"`{ctx.clean_prefix}tts [:nh]Deep voice [:nb]now female`",
                    "",
                    "ℹ️ DECTalk doesn't use voice selection - control voices in your text."
                ]
                return await ctx.send("\n".join(lines))
            
            elif mode == "chatterbox":
                return await ctx.send(
                    f"Current global voice: `{current or 'Emily.wav'}`\n"
                    f"List voices: `{ctx.clean_prefix}ttstoy voices`\n"
                    f"Set with: `{ctx.clean_prefix}ttstoy voice <filename>`"
                )
            
            elif mode == "morshu":
                return await ctx.send(
                    "**MorshuTalk Mode**\n"
                    "No voice selection - it's always Morshu.\n"
                    "Lamp, oil, rope, bombs? You want it? It's yours, my friend."
                )
            
            elif mode == "vox":
                vox_pack = await self.config.vox_pack()
                words = get_available_words(vox_pack) if VOX_AVAILABLE else []
                return await ctx.send(
                    f"**📢 VOX Mode** (pack: `{vox_pack}`)\n"
                    f"No voice selection. {len(words)} words available.\n"
                    f"Switch pack: `{ctx.clean_prefix}ttstoy voxpack [vox|vox2]`\n"
                    f"List words: `{ctx.clean_prefix}ttstoy voxwords`"
                )
            
            else:  # minimax mode
                voice_list = "\n".join([f"• `{name}` → {vid}" for name, vid in sorted(MINIMAX_VOICES.items())])
                lines = [
                    "**Available MiniMax Voices:**",
                    voice_list,
                    "",
                    f"Current global voice: `{current or DEFAULT_MINIMAX_VOICE}`",
                    f"Set with: `{ctx.clean_prefix}ttstoy voice <voice_name>`"
                ]
                return await ctx.send("\n".join(lines))
        
        # DECTalk doesn't support voice selection - users use commands in text
        if mode == "dectalk":
            return await ctx.send(
                "DECTalk mode doesn't use voice selection.\n"
                "Users control voices with commands in their text:\n"
                "`[:np]` Paul, `[:nb]` Betty, `[:nh]` Harry, `[:nf]` Frank, `[:nd]` Dennis, "
                "`[:nk]` Kit, `[:nu]` Ursula, `[:nr]` Rita, `[:nw]` Wendy\n\n"
                "Example: `[p]tts [:nh]Deep voice [:nb]now female`"
            )
        
        # Morshu doesn't support voice selection
        if mode == "morshu":
            return await ctx.send("MorshuTalk doesn't use voice selection - it's always Morshu.")
        
        # VOX doesn't support voice selection - use voxpack instead
        if mode == "vox":
            return await ctx.send("📢 VOX mode doesn't use voice selection. Use `[p]ttstoy voxpack` to switch packs.")
        
        voice_id = voice_id.strip()
        
        await self.config.minimax_voice.set(voice_id)
        
        if mode == "chatterbox":
            resolved = voice_id
        else:
            resolved = resolve_minimax_voice_id(voice_id)
        
        await ctx.send(f"✅ Global voice set → `{resolved}`.")

    # --------- USER VOICE ---------
    @ttstoy_group.command(name="myvoice")
    @commands.guild_only()
    async def my_minimax_voice(self, ctx: commands.Context, *, voice_id: Optional[str] = None):
        """
        Set or show your personal voice.
        Usage: [p]ttstoy myvoice [voice_name]
        """
        mode = await self._get_tts_mode()
        
        # Show voice list if no voice provided
        if not voice_id:
            cur = await self.config.user(ctx.author).minimax_voice()
            glob = await self.config.minimax_voice()
            
            if mode == "dectalk":
                lines = [
                    "**DECTalk Voice Commands** (use in your text):",
                    "`[:np]` Paul (default) • `[:nb]` Betty • `[:nh]` Harry • `[:nf]` Frank",
                    "`[:nd]` Dennis • `[:nk]` Kit • `[:nu]` Ursula • `[:nr]` Rita • `[:nw]` Wendy",
                    "",
                    "**Example:**",
                    f"`{ctx.clean_prefix}tts [:nh]I'm gonna eat a pizza. [:dial67589340] Hi, can i order a pizza?`",
                    "",
                    "ℹ️ DECTalk doesn't use voice selection - control voices in your text."
                ]
                return await ctx.send("\n".join(lines))
            
            elif mode == "chatterbox":
                user_voices = await self.config.user(ctx.author).chatterbox_voices()
                cur_display = "None (using default)"
                if cur:
                    parts = cur.split("_", 1)
                    cur_display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else cur.rsplit(".", 1)[0]
                
                lines = [f"**🏠 Chatterbox Mode**"]
                lines.append(f"Your active voice: `{cur_display}`")
                
                if user_voices:
                    lines.append("\n**Your voices:**")
                    for v in user_voices:
                        parts = v.split("_", 1)
                        display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else v.rsplit(".", 1)[0]
                        marker = " ← active" if v == cur else ""
                        lines.append(f"  `{display}`{marker}")
                else:
                    lines.append("\nNo uploaded voices yet.")
                
                lines.append(f"\nSwitch: `{ctx.clean_prefix}ttstoy myvoice <name>`")
                lines.append(f"Upload: `{ctx.clean_prefix}chatterbox addvoice <name>` (attach audio)")
                return await ctx.send("\n".join(lines))
            
            elif mode == "morshu":
                return await ctx.send(
                    "**🛒 MorshuTalk Mode**\n"
                    "No voice selection - it's always Morshu.\n"
                    "Lamp, oil, rope, bombs? You want it? It's yours, my friend."
                )
            
            elif mode == "vox":
                vox_pack = await self.config.vox_pack()
                return await ctx.send(
                    f"**📢 VOX Mode** (pack: `{vox_pack}`)\n"
                    f"No voice selection. Use `{ctx.clean_prefix}ttstoy voxpack` to switch packs."
                )
            
            else:  # minimax mode
                lines = [f"**🌐 MiniMax Mode**"]
                lines.append(f"Your voice: `{cur or 'None (using global)'}`")
                lines.append(f"Global default: `{glob or DEFAULT_MINIMAX_VOICE}`")
                lines.append("\n**Available voice labels:**")
                for k, v in sorted(MINIMAX_VOICES.items()):
                    lines.append(f"• `{k}` → {v}")
                lines.append(f"\nSet with: `{ctx.clean_prefix}ttstoy myvoice <voice_name>`")
                
                return await ctx.send("\n".join(lines))
        
        # Setting a voice - DECTalk doesn't support voice selection
        if mode == "dectalk":
            return await ctx.send(
                "ℹ️ DECTalk mode doesn't use voice selection.\n"
                "Control voices with commands in your text instead."
            )
        
        # Morshu doesn't support voice selection
        if mode == "morshu":
            return await ctx.send("🛒 MorshuTalk doesn't use voice selection - it's always Morshu.")
        
        # VOX doesn't support voice selection
        if mode == "vox":
            return await ctx.send("📢 VOX mode doesn't use voice selection. Use `[p]ttstoy voxpack` to switch packs.")
        
        voice_id = voice_id.strip()
        
        # Chatterbox: match against user's uploaded voices by display name
        if mode == "chatterbox":
            user_voices = await self.config.user(ctx.author).chatterbox_voices()
            if not user_voices:
                return await ctx.send(
                    f"You don't have any uploaded voices.\n"
                    f"Upload one: `{ctx.clean_prefix}chatterbox addvoice <name>` (attach audio)"
                )
            
            match = None
            for v in user_voices:
                parts = v.split("_", 1)
                display = parts[1].rsplit(".", 1)[0] if len(parts) > 1 else v.rsplit(".", 1)[0]
                if display.lower() == voice_id.lower() or v.lower() == voice_id.lower():
                    match = v
                    break
            
            if not match:
                voice_names = ", ".join(
                    v.split("_", 1)[1].rsplit(".", 1)[0] if "_" in v else v.rsplit(".", 1)[0]
                    for v in user_voices
                )
                return await ctx.send(f"❌ Voice `{voice_id}` not found.\nYour voices: {voice_names}")
            
            await self.config.user(ctx.author).minimax_voice.set(match)
            display = match.split("_", 1)[1].rsplit(".", 1)[0] if "_" in match else match.rsplit(".", 1)[0]
            return await ctx.send(f"✅ Your voice → `{display}`.")
        
        await self.config.user(ctx.author).minimax_voice.set(voice_id.strip())
        
        if mode == "chatterbox":
            resolved = voice_id.strip()
        else:
            resolved = resolve_minimax_voice_id(voice_id.strip())
        
        return await ctx.send(f"✅ Your voice → `{resolved}`.")

    async def _process_tts_queue(self, guild_id: int):
        """Process TTS queue for a guild - plays TTS items in order."""
        queue = self.tts_queues[guild_id]
        
        # Track music state across all TTS in a batch
        music_paused = False
        saved_state = None
        
        while True:
            try:
                # Wait for next TTS item
                tts_item = await queue.get()
                
                if tts_item is None:  # Shutdown signal
                    break
                
                ctx, audio_path = tts_item
                
                try:
                    player = lavalink.get_player(guild_id)
                    player.store("channel", ctx.channel.id)

                    loaded = await player.load_tracks(audio_path)
                    if loaded.has_error or loaded.load_type != lavalink.enums.LoadType.TRACK_LOADED:
                        log.error(f"Failed to load TTS audio: {audio_path}")
                        queue.task_done()
                        continue

                    # Only pause and save state on the FIRST TTS in a batch
                    if not music_paused:
                        was_playing = player.is_playing
                        current_position = player.position if player.current else 0
                        original_queue = list(player.queue)
                        original_current = player.current
                        
                        saved_state = {
                            'was_playing': was_playing,
                            'position': current_position,
                            'queue': original_queue,
                            'current': original_current
                        }

                        if was_playing:
                            await player.pause()

                        # Store current track temporarily and clear queue
                        if original_current:
                            player.queue.clear()
                        
                        music_paused = True

                    # Play TTS
                    player.add(requester=ctx.author, track=loaded.tracks[0])
                    await player.play()

                    # Wait for TTS to finish
                    while player.is_playing:
                        await asyncio.sleep(0.1)
                
                except Exception as e:
                    log.exception(f"Error processing TTS for guild {guild_id}: {e}")
                finally:
                    queue.task_done()
                
                # Check if queue is empty - if so, restore music
                if queue.empty() and music_paused and saved_state:
                    try:
                        # Restore the original queue and position
                        if saved_state['current']:
                            player.add(requester=saved_state['current'].requester, track=saved_state['current'])
                            for track in saved_state['queue']:
                                player.add(requester=track.requester, track=track)
                            
                            # Resume from where we left off
                            if saved_state['was_playing']:
                                await player.play()
                                await player.seek(saved_state['position'])
                    except Exception as e:
                        log.exception(f"Error restoring music for guild {guild_id}: {e}")
                    finally:
                        music_paused = False
                        saved_state = None
                    
            except asyncio.CancelledError:
                break
            except Exception as e:
                log.exception(f"Unexpected error in TTS queue processor for guild {guild_id}: {e}")

    def _get_or_create_tts_queue(self, guild_id: int):
        """Get or create TTS queue and processor for a guild."""
        if guild_id not in self.tts_queues:
            self.tts_queues[guild_id] = asyncio.Queue()
            self.tts_locks[guild_id] = asyncio.Lock()
            # Start processor task for this guild
            self.tts_processors[guild_id] = asyncio.create_task(
                self._process_tts_queue(guild_id)
            )
        return self.tts_queues[guild_id]

    # ---------------------------------------------------------------------
    # SPEAK COMMAND (JUST [p]tts)
    # ---------------------------------------------------------------------
    @commands.hybrid_command(name="tts")
    @commands.guild_only()
    async def tts(self, ctx: commands.Context, *, text: str):
        """
        Generate TTS audio and upload the MP3. Also plays in voice chat if you're in one.
        """
        async with ctx.typing():
            # Check if user is in a VC — we'll play there if so, but it's not required
            user_in_vc = ctx.author.voice and ctx.author.voice.channel
            audio: Optional[Audio] = self.bot.get_cog("Audio")

            if user_in_vc and audio and not ctx.guild.me.voice:
                await ctx.invoke(audio.command_summon)

            mode = await self._get_tts_mode()

            # Not in VC: only chatterbox is allowed
            if not user_in_vc and mode != "chatterbox":
                return await ctx.send("❌ You must be in a voice channel to use **{}** mode. Join a VC, or switch to **chatterbox** mode (`[p]ttstoy mode chatterbox`).".format(mode))

            chatterbox_url = await self._get_chatterbox_api_url()
            dectalk_url = await self._get_dectalk_api_url()
            api_key, model, _ = await self._get_minimax_settings()
            
            # Accessibility mode: force dectalk, strip emoji SFX
            accessibility = await self.config.accessibility_mode()
            if accessibility:
                mode = "dectalk"
                # Strip emoji triggers so they're read as text, not played as SFX
                text = EMOJI_CANDIDATE_PATTERN.sub(
                    lambda m: _normalize_sfx_trigger(m.group(0)) if _normalize_sfx_trigger(m.group(0)) in EMOJI_SFX_FOLDERS else m.group(0),
                    text
                )
                text = re.sub(r'[\U0001F300-\U0001FAFF\U00002600-\U000026FF\U00002700-\U000027BF]', '', text).strip()
            
            # Check requirements based on mode
            if mode == "minimax" and not api_key:
                return await ctx.send("❌ MiniMax API key not set. Use `[p]ttstoy key` or switch to chatterbox/dectalk mode.")
            
            if mode == "morshu" and not MORSHU_AVAILABLE:
                return await ctx.send("❌ MorshuTalk engine failed to load. Check bot logs for details (missing g2p_en, numpy, or pydub?).")
            
            if mode == "vox" and not VOX_AVAILABLE:
                return await ctx.send("❌ VOX engine is not available.")
            
            if mode == "chatterbox":
                try:
                    test_url = f"{chatterbox_url.rstrip('/')}/api/ui/initial-data"
                    r = requests.get(test_url, timeout=3)
                    if r.status_code != 200:
                        return await ctx.send(f"❌ Chatterbox TTS not responding (status {r.status_code}). Check if server is running.")
                    # Also verify /tts endpoint exists
                    openapi_url = f"{chatterbox_url.rstrip('/')}/openapi.json"
                    r2 = requests.get(openapi_url, timeout=3)
                    if r2.status_code == 200:
                        paths = list(r2.json().get("paths", {}).keys())
                        log.info(f"[Chatterbox] Server routes: {paths}")
                        if "/tts" not in paths:
                            return await ctx.send(f"❌ Chatterbox server is running but `/tts` endpoint not found.\nAvailable routes: {', '.join(paths[:10])}")
                except Exception as e:
                    return await ctx.send(f"❌ Cannot reach Chatterbox TTS: {e}\nMake sure the server is running at `{chatterbox_url}`")
            
            if mode == "dectalk":
                # Test DECTalk API availability
                try:
                    test_url = f"{dectalk_url.rstrip('/')}/health"
                    r = requests.get(test_url, timeout=2)
                    if r.status_code != 200:
                        return await ctx.send(f"❌ DECTalk API not responding (status {r.status_code}). Check if server is running.")
                except Exception as e:
                    return await ctx.send(f"❌ Cannot reach DECTalk API: {e}\nMake sure the server is running at `{dectalk_url}`")

            voice_id = await self._get_effective_minimax_voice(ctx.author)
            sfx_volume = await self.config.sfx_volume()
            vox_pack = await self.config.vox_pack()
            
            # Fetch per-user chatterbox settings (per-voice)
            cb_temp = None
            cb_exag = None
            cb_vol_db = 0.0
            cb_speed = None
            if mode == "chatterbox":
                temp_offsets = await self.config.user(ctx.author).chatterbox_temperature_offsets()
                exag_offsets = await self.config.user(ctx.author).chatterbox_exaggeration_offsets()
                vol_offsets = await self.config.user(ctx.author).chatterbox_volume_offsets()
                speed_offsets = await self.config.user(ctx.author).chatterbox_speed_offsets()
                cb_temp = temp_offsets.get(voice_id)
                cb_exag = exag_offsets.get(voice_id)
                cb_vol_db = vol_offsets.get(voice_id, 0.0)
                cb_speed = speed_offsets.get(voice_id)
                
                # Fallback: check old global settings for migration
                if cb_temp is None:
                    cb_temp = await self.config.user(ctx.author).chatterbox_temperature()
                if cb_exag is None:
                    cb_exag = await self.config.user(ctx.author).chatterbox_exaggeration()

            self.tts_storage.mkdir(parents=True, exist_ok=True)
            audio_path = str(self.tts_storage.joinpath(f"{ctx.message.id}.mp3"))

            # Collect all chatterbox voices for inline voice resolution
            all_cb_voices = await self._get_all_chatterbox_voices()

            try:
                result = await asyncio.to_thread(
                    self._save_prompt_audio, api_key, model, voice_id, text, audio_path, sfx_volume, mode, dectalk_url, vox_pack, chatterbox_url, cb_temp, cb_exag, cb_vol_db, cb_speed, all_cb_voices
                )
                detected_language = result.get("language") if result else None
            except Exception as e:
                log.exception("TTS error: %s", e)
                mode_name = {"minimax": "MiniMax", "chatterbox": "Chatterbox", "dectalk": "DECTalk", "morshu": "MorshuTalk", "vox": "VOX"}.get(mode, "TTS")
                return await ctx.send(f"{mode_name} error generating audio: {e}")

            view = discord.ui.View()
            view.add_item(
                discord.ui.Button(
                    label="PLS DONATE",
                    style=discord.ButtonStyle.link,
                    url="https://account.venmo.com/u/kingstonscyd",
                )
            )

            filename = f"{mode}-tts-{ctx.message.id}.mp3"
            
            # Build response message with language detection
            LANG_NAMES = {
                "EN": "English", "ZH": "Chinese", "JA": "Japanese",
                "ES": "Spanish", "FR": "French", "DE": "German",
                "KO": "Korean", "PT": "Portuguese", "RU": "Russian",
                "IT": "Italian", "AR": "Arabic", "HI": "Hindi",
                "TH": "Thai", "TR": "Turkish", "VI": "Vietnamese",
                "NL": "Dutch", "PL": "Polish", "SV": "Swedish",
            }
            if detected_language:
                code = detected_language.upper()
                lang_display = LANG_NAMES.get(code, code)
                lang_line = f"Language detected: {lang_display} ({code})"
            else:
                lang_line = "Language detected: Unknown"
            
            await ctx.send(
                content=lang_line,
                file=discord.File(audio_path, filename=filename),
                view=view,
            )

            # Play in VC only if user is in a voice channel
            if user_in_vc and audio and ctx.guild.me.voice:
                queue = self._get_or_create_tts_queue(ctx.guild.id)
                queue_position = queue.qsize() + 1
                
                if queue_position > 1:
                    await ctx.send(f"Added to TTS queue (position {queue_position})")
                
                await queue.put((ctx, audio_path))

        if ctx.interaction:
            await ctx.reply("🗣")
        else:
            await ctx.react_quietly("🗣")

    # =========================================================================
    # WEB UI — login, webui commands, and shared-state processor
    # =========================================================================

    WEBUI_SHARED_STATE = Path(os.environ.get("TTSTOY_SHARED_STATE", "/tmp/ttstoy_webui_state.json"))

    def _read_shared_state(self) -> dict:
        try:
            with open(self.WEBUI_SHARED_STATE) as f:
                return json.load(f)
        except Exception:
            return {}

    def _write_shared_state(self, state: dict):
        try:
            self.WEBUI_SHARED_STATE.parent.mkdir(parents=True, exist_ok=True)
            with open(self.WEBUI_SHARED_STATE, "w") as f:
                json.dump(state, f)
        except Exception as e:
            log.warning(f"[WebUI] Could not write shared state: {e}")

    def _get_webui_url(self) -> str:
        state = self._read_shared_state()
        return state.get("webui_url", os.environ.get("WEBUI_URL", "https://ttstoy.kingstons-scrapyard.net"))

    def _get_internal_secret(self) -> str:
        state = self._read_shared_state()
        return state.get("internal_secret", "")

    @ttstoy_group.command(name="login")
    @commands.guild_only()
    async def webui_login(self, ctx: commands.Context):
        """Get a one-time login key for Kingston's Scrapyard. Must be used in a server so the key knows which server you're in. The key is DM'd to you."""
        webui_url = self._get_webui_url()
        secret = self._get_internal_secret()
        if not secret:
            return await ctx.send(
                "❌ The web UI is not running. Ask the bot owner to start it.",
                ephemeral=True,
            )

        # Register token with ttstoy webui — it writes to shared_auth.json.
        # The user logs in once on the Homepage; the session cookie is shared
        # across all *.kingstons-scrapyard.net subdomains.
        avatar_url = str(ctx.author.display_avatar.url) if ctx.author.display_avatar else ""
        try:
            r = await asyncio.to_thread(
                requests.post,
                f"{webui_url.rstrip('/')}/api/register_token",
                headers={"X-Internal-Secret": secret, "Content-Type": "application/json"},
                json={
                    "user_id": str(ctx.author.id),
                    "discord_name": str(ctx.author),
                    "avatar_url": avatar_url,
                    "is_owner": await self.bot.is_owner(ctx.author),
                    "guild_id": str(ctx.guild.id),
                    "guild_name": ctx.guild.name,
                },
                timeout=5,
            )
            r.raise_for_status()
            token = r.json()["token"]
        except Exception as e:
            log.exception("[WebUI] Failed to get login token: %s", e)
            return await ctx.send("❌ Could not reach the web UI. Is it running?", ephemeral=True)

        try:
            await ctx.author.send(
                f"**Kingston's Scrapyard — Login**\n\n"
                f"Go to: https://homepage.kingstons-scrapyard.net/login\n\n"
                f"Your key (valid for 5 minutes):\n```\n{token}\n```\n"
                f"Log in once and you'll be signed in across all Scrapyard sites."
            )
        except discord.Forbidden:
            return await ctx.send("❌ I couldn't DM you. Enable DMs from server members and try again.")

        await ctx.send("✅ I sent you a DM with your login key.", ephemeral=True)

    @ttstoy_group.command(name="webui")
    async def webui_url_cmd(self, ctx: commands.Context):
        """Get the link to the TtsToy web UI."""
        webui_url = self._get_webui_url()
        await ctx.send(
            f"🌐 **TtsToy Web UI:** {webui_url}\n"
            f"Run `{ctx.clean_prefix}ttstoy login` to get your login key.",
            ephemeral=True,
        )

    @ttstoy_group.command(name="webuistatus")
    @commands.is_owner()
    async def webui_status_cmd(self, ctx: commands.Context):
        """Check the status of the TtsToy web UI."""
        webui_url = self._get_webui_url()
        process_running = self._webui_process and self._webui_process.poll() is None
        pid = self._webui_process.pid if process_running else None

        # Try to hit the login page
        reachable = False
        try:
            r = await asyncio.to_thread(requests.get, f"{webui_url}/login", timeout=3)
            reachable = r.status_code == 200
        except Exception:
            pass

        lines = [
            "**TtsToy Web UI Status**",
            f"Process running: {'✅ Yes' if process_running else '❌ No'}{f' (pid {pid})' if pid else ''}",
            f"Reachable at URL: {'✅ Yes' if reachable else '❌ No'}",
            f"URL: {webui_url}",
        ]
        if not process_running:
            lines.append(f"\nRestart with: `{ctx.clean_prefix}ttstoy webuirestart`")
        await ctx.send("\n".join(lines))

    @ttstoy_group.command(name="webuirestart")
    @commands.is_owner()
    async def webui_restart_cmd(self, ctx: commands.Context):
        """Restart the TtsToy web UI."""
        await ctx.send("🔄 Restarting web UI...")
        await self._stop_webui()
        success = await self._start_webui()
        if success:
            await ctx.send(f"✅ Web UI restarted at {self._get_webui_url()}")
        else:
            await ctx.send("❌ Failed to start web UI. Check bot logs.")

    # -------------------------------------------------------------------------
    # Background task — poll shared state for pending commands and posts
    # -------------------------------------------------------------------------

    @tasks.loop(seconds=3)
    async def _webui_state_processor(self):
        """Poll the shared state file and execute pending commands/posts from the web UI."""
        try:
            state = self._read_shared_state()
            changed = False

            # --- Process pending commands (voice/mode changes from web UI) ---
            pending_cmds = state.pop("pending_commands", [])
            if pending_cmds:
                changed = True
                for cmd in pending_cmds:
                    await self._handle_webui_command(cmd)

            # --- Process pending posts (TTS audio to post to Discord channel) ---
            pending_posts = state.pop("pending_posts", [])
            if pending_posts:
                changed = True
                for post in pending_posts:
                    await self._handle_webui_post(post)

            # --- Write updated user info so the profile page stays fresh ---
            users_info = state.get("users", {})
            for guild in self.bot.guilds:
                for member in guild.members:
                    uid = str(member.id)
                    if uid not in users_info:
                        users_info[uid] = {}
                    users_info[uid]["display_name"] = member.display_name
                    users_info[uid]["username"] = str(member)
                    users_info[uid]["joined_at"] = str(member.joined_at)[:10] if member.joined_at else "unknown"
                    users_info[uid]["roles"] = ", ".join(r.name for r in member.roles if r.name != "@everyone")
            state["users"] = users_info

            if changed or True:  # always write to keep user info fresh
                self._write_shared_state(state)

            # Reload emoji→SFX mapping in case it was changed via the web UI
            _reload_emoji_sfx_map()

        except Exception as e:
            log.exception("[WebUI] State processor error: %s", e)

    async def _handle_webui_command(self, cmd: dict):
        """Execute a command queued by the web UI."""
        user_id = int(cmd.get("user_id", 0))
        action = cmd.get("cmd")
        payload = cmd.get("payload", {})

        user = self.bot.get_user(user_id)
        if not user:
            log.warning(f"[WebUI] Unknown user {user_id} for command {action}")
            return

        try:
            if action == "speak_in_vc":
                await self._webui_speak_in_vc(user, payload)

            elif action == "set_voice":
                voice = payload.get("voice", "")
                await self.config.user(user).minimax_voice.set(voice)
                log.info(f"[WebUI] Set voice for {user} → {voice}")

            elif action == "set_mode":
                if await self.bot.is_owner(user):
                    mode = payload.get("mode", "minimax")
                    await self.config.tts_mode.set(mode)
                    log.info(f"[WebUI] Set global TTS mode → {mode}")

            elif action == "set_chatterbox_params":
                voice = payload.get("voice", "")
                params = payload.get("params", {})
                if "temperature" in params:
                    offsets = await self.config.user(user).chatterbox_temperature_offsets()
                    offsets[voice] = params["temperature"]
                    await self.config.user(user).chatterbox_temperature_offsets.set(offsets)
                if "exaggeration" in params:
                    offsets = await self.config.user(user).chatterbox_exaggeration_offsets()
                    offsets[voice] = params["exaggeration"]
                    await self.config.user(user).chatterbox_exaggeration_offsets.set(offsets)
                if "volume_db" in params:
                    offsets = await self.config.user(user).chatterbox_volume_offsets()
                    offsets[voice] = params["volume_db"]
                    await self.config.user(user).chatterbox_volume_offsets.set(offsets)
                if "speed" in params:
                    offsets = await self.config.user(user).chatterbox_speed_offsets()
                    offsets[voice] = params["speed"]
                    await self.config.user(user).chatterbox_speed_offsets.set(offsets)
                log.info(f"[WebUI] Updated chatterbox params for {user} voice={voice}")

            elif action == "add_voice":
                filename = payload.get("filename", "")
                voices = await self.config.user(user).chatterbox_voices()
                if filename and filename not in voices:
                    voices.append(filename)
                    await self.config.user(user).chatterbox_voices.set(voices)
                    await self.config.user(user).minimax_voice.set(filename)
                    log.info(f"[WebUI] Added voice {filename} for {user}")

            elif action == "remove_voice":
                filename = payload.get("filename", "")
                voices = await self.config.user(user).chatterbox_voices()
                if filename in voices:
                    voices.remove(filename)
                    await self.config.user(user).chatterbox_voices.set(voices)
                    for key in ("chatterbox_temperature_offsets", "chatterbox_exaggeration_offsets",
                                "chatterbox_volume_offsets", "chatterbox_speed_offsets"):
                        offsets = await getattr(self.config.user(user), key)()
                        offsets.pop(filename, None)
                        await getattr(self.config.user(user), key).set(offsets)
                    current = await self.config.user(user).minimax_voice()
                    if current == filename:
                        await self.config.user(user).minimax_voice.set(voices[0] if voices else None)
                    log.info(f"[WebUI] Removed voice {filename} for {user}")

        except Exception as e:
            log.exception(f"[WebUI] Error handling command {action} for user {user_id}: {e}")

    async def _webui_speak_in_vc(self, user: discord.User, payload: dict):
        """Generate TTS from a web UI request and play it in the user's current VC."""
        job_id = payload.get("job_id")
        text = payload.get("text", "")
        discord_name = payload.get("user", str(user))
        mode_override = payload.get("mode_override")   # per-request mode from web UI
        voice_override = payload.get("voice_override") # per-request voice from web UI
        skip_vc = payload.get("skip_vc", False)
        guild_id_str = payload.get("guild_id", "")
        log.info(f"[WebUI] speak_in_vc: user={user} job={job_id} guild={guild_id_str} mode_override={mode_override} voice_override={voice_override} skip_vc={skip_vc} text={text[:60]!r}")

        webui_url = self._get_webui_url()
        secret = self._get_internal_secret()

        def _update_job(status, **kwargs):
            try:
                requests.post(
                    f"{webui_url.rstrip('/')}/api/tts/{job_id}/update",
                    headers={"X-Internal-Secret": secret, "Content-Type": "application/json"},
                    json={"status": status, **kwargs},
                    timeout=5,
                )
                log.debug(f"[WebUI] Job {job_id} updated → {status}")
            except Exception as e:
                log.warning(f"[WebUI] Could not update job {job_id}: {e}")

        # Find which guild/VC the user is currently in
        # Prefer the guild they logged in from
        member_vc = None
        member_guild = None
        target_guild_id = int(guild_id_str) if guild_id_str else None
        if target_guild_id:
            guild = self.bot.get_guild(target_guild_id)
            if guild:
                member_guild = guild
                member = guild.get_member(user.id)
                if member and member.voice and member.voice.channel:
                    member_vc = member.voice.channel
        # Fallback: search all guilds for VC presence
        if not member_vc:
            for guild in self.bot.guilds:
                member = guild.get_member(user.id)
                if member and member.voice and member.voice.channel:
                    member_vc = member.voice.channel
                    if not member_guild:
                        member_guild = guild
                    break

        if not member_vc:
            log.info(f"[WebUI] {user} is not in a VC — will generate audio only")

        log.info(f"[WebUI] Target VC: {member_vc} in {member_guild}")

        # Gather TTS settings — respect web UI overrides
        mode = mode_override if mode_override else await self._get_tts_mode()
        chatterbox_url = await self._get_chatterbox_api_url()
        dectalk_url = await self._get_dectalk_api_url()
        api_key, model, _ = await self._get_minimax_settings()
        # Voice: use override if provided, otherwise user's saved voice
        if voice_override:
            voice_id = voice_override
        else:
            voice_id = await self._get_effective_minimax_voice(user)
        sfx_volume = await self.config.sfx_volume()
        vox_pack = await self.config.vox_pack()
        cb_temp = cb_exag = cb_speed = None
        cb_vol_db = 0.0
        if mode == "chatterbox":
            cb_temp = (await self.config.user(user).chatterbox_temperature_offsets()).get(voice_id)
            cb_exag = (await self.config.user(user).chatterbox_exaggeration_offsets()).get(voice_id)
            cb_vol_db = (await self.config.user(user).chatterbox_volume_offsets()).get(voice_id, 0.0)
            cb_speed = (await self.config.user(user).chatterbox_speed_offsets()).get(voice_id)

        log.debug(f"[WebUI] TTS params: mode={mode} voice={voice_id} temp={cb_temp} exag={cb_exag}")

        self.tts_storage.mkdir(parents=True, exist_ok=True)
        audio_path = str(self.tts_storage / f"webui_{job_id}.mp3")

        all_cb_voices = await self._get_all_chatterbox_voices()

        try:
            await asyncio.to_thread(
                self._save_prompt_audio,
                api_key, model, voice_id, text, audio_path,
                sfx_volume, mode, dectalk_url, vox_pack,
                chatterbox_url, cb_temp, cb_exag, cb_vol_db, cb_speed,
                all_cb_voices,
            )
            log.info(f"[WebUI] Audio generated: {audio_path}")
        except Exception as e:
            log.exception(f"[WebUI] TTS generation failed for job {job_id}: {e}")
            await asyncio.to_thread(_update_job, "error", error=str(e))
            return

        # Queue for VC playback only if user is in a voice channel and skip_vc is not set
        if member_vc and member_guild and not skip_vc:
            try:
                audio_cog: Optional[Audio] = self.bot.get_cog("Audio")
                if audio_cog:
                    text_channel = member_guild.system_channel or next(
                        (c for c in member_guild.text_channels
                         if c.permissions_for(member_guild.me).send_messages), None
                    )
                    if text_channel:
                        if not member_guild.me.voice or member_guild.me.voice.channel != member_vc:
                            await member_vc.connect()

                        class _FakeCtx:
                            guild = member_guild
                            channel = text_channel
                            author = member_guild.get_member(user.id) or user
                            interaction = None
                            async def react_quietly(self, *a, **kw): pass

                        queue = self._get_or_create_tts_queue(member_guild.id)
                        await queue.put((_FakeCtx(), audio_path))
                        log.info(f"[WebUI] Queued audio for VC playback: job={job_id}")
            except Exception as e:
                log.exception(f"[WebUI] VC playback failed for job {job_id}: {e}")

        # Post transcript to Discord channel and mark job done
        # Resolve the best guild ID for posting: login guild > VC guild > empty
        post_guild_id = guild_id_str or (str(member_guild.id) if member_guild else "")
        await self._handle_webui_post({
            "job_id": job_id, "path": audio_path,
            "text": text, "user": discord_name, "engine": mode,
            "guild_id": post_guild_id,
        })
        await asyncio.to_thread(_update_job, "done", path=audio_path)

    async def _handle_webui_post(self, post: dict):
        """Post a TTS audio file to the configured bot channel."""
        try:
            audio_path = post.get("path")
            text = post.get("text", "")
            user = post.get("user", "Unknown")
            engine = post.get("engine", "tts")
            guild_id_str = post.get("guild_id", "")

            if not audio_path or not os.path.exists(audio_path):
                log.warning(f"[WebUI] Audio file not found: {audio_path}")
                return

            # Find the designated TTS channel in the user's login guild
            target_guild_id = int(guild_id_str) if guild_id_str else None
            channel = await self._get_webui_tts_channel(target_guild_id)
            if not channel:
                log.warning("[WebUI] No TTS channel configured. Set TTSTOY_WEBUI_CHANNEL_ID env var.")
                return

            filename = f"webui-{engine}-tts.mp3"
            content = f"🗣 **{discord.utils.escape_markdown(user)}** via web UI [{engine}]\n> {discord.utils.escape_markdown(text[:200])}"
            await channel.send(content=content, file=discord.File(audio_path, filename=filename))
            log.info(f"[WebUI] Posted TTS from {user} to channel {channel.id}")

        except Exception as e:
            log.exception(f"[WebUI] Error posting TTS: {e}")

    async def _get_webui_tts_channel(self, guild_id: int = None) -> Optional[discord.TextChannel]:
        """Get the channel to post web UI TTS messages to.

        Checks per-guild configured channel, then global configured channel,
        then looks for a channel named tts/ttstoy/tts-toy in the target guild.
        """
        # Per-guild configured channel
        if guild_id:
            guild = self.bot.get_guild(guild_id)
            if guild:
                guild_channel_id = await self.config.guild(guild).webui_tts_channel_id()
                if guild_channel_id:
                    ch = self.bot.get_channel(int(guild_channel_id))
                    if ch:
                        return ch

        # Global configured channel (use if it's in the target guild, or no guild specified)
        channel_id = await self.config.webui_tts_channel_id()
        if not channel_id:
            channel_id = int(os.environ.get("TTSTOY_WEBUI_CHANNEL_ID", 0))
        if channel_id:
            ch = self.bot.get_channel(int(channel_id))
            if ch:
                if not guild_id or (hasattr(ch, 'guild') and ch.guild.id == guild_id):
                    return ch

        # Search the target guild for a tts-named channel
        if guild_id:
            guild = self.bot.get_guild(guild_id)
            if guild:
                for ch in guild.text_channels:
                    if ch.name.lower() in ("tts", "ttstoy", "tts-toy"):
                        return ch

        # No guild specified — search all guilds
        for guild in self.bot.guilds:
            for ch in guild.text_channels:
                if ch.name.lower() in ("tts", "ttstoy", "tts-toy"):
                    return ch
        return None

    @ttstoy_group.command(name="webuichannel")
    @commands.is_owner()
    @commands.guild_only()
    async def webui_channel_cmd(self, ctx: commands.Context, channel: Optional[discord.TextChannel] = None):
        """Set or show the channel where web UI TTS audio is posted in this server.

        Usage:
          [p]ttstoy webuichannel           — show current channel
          [p]ttstoy webuichannel #channel  — set channel for this server
        """
        if channel is None:
            guild_channel_id = await self.config.guild(ctx.guild).webui_tts_channel_id()
            if guild_channel_id:
                ch = self.bot.get_channel(int(guild_channel_id))
                name = ch.mention if ch else f"ID {guild_channel_id} (not found)"
            else:
                name = "Not set (falls back to any channel named `tts`)"
            return await ctx.send(f"Web UI TTS channel for this server: {name}")

        await self.config.guild(ctx.guild).webui_tts_channel_id.set(channel.id)
        await ctx.send(f"✅ Web UI TTS audio will be posted to {channel.mention} in this server")

    # -------------------------------------------------------------------------
    # Web UI subprocess management
    # -------------------------------------------------------------------------

    def _webui_app_path(self) -> Path:
        return Path(__file__).resolve().parent / "webui" / "app.py"

    async def _start_webui(self):
        """Launch the Flask web UI as a subprocess."""
        if self._webui_process and self._webui_process.poll() is None:
            log.info("[WebUI] Already running")
            return True

        app_path = self._webui_app_path()
        if not app_path.exists():
            log.error(f"[WebUI] app.py not found at {app_path}")
            return False

        env = os.environ.copy()
        env.setdefault("WEBUI_PORT", "8098")
        env.setdefault("WEBUI_URL", f"http://localhost:{env['WEBUI_PORT']}")
        env.setdefault("TTSTOY_SHARED_STATE", str(self.WEBUI_SHARED_STATE))
        if "BOT_INSTANCE" not in env:
            try:
                from redbot.core.data_manager import instance_name
                env["BOT_INSTANCE"] = instance_name()
            except Exception:
                env.setdefault("BOT_INSTANCE", "redbot")

        try:
            import sys
            python = sys.executable
            req_file = app_path.parent / "requirements.txt"
            if req_file.exists():
                subprocess.run(
                    [python, "-m", "pip", "install", "-q", "-r", str(req_file)],
                    check=True, capture_output=True,
                )
            self._webui_process = subprocess.Popen(
                [python, str(app_path)],
                env=env,
                stdout=subprocess.PIPE,
                stderr=subprocess.STDOUT,
                text=True,
            )
            await asyncio.sleep(2)
            if self._webui_process.poll() is not None:
                out = self._webui_process.stdout.read(500) if self._webui_process.stdout else ""
                log.error(f"[WebUI] Process exited immediately: {out}")
                return False
            log.info(f"[WebUI] Started on port {env['WEBUI_PORT']} (pid {self._webui_process.pid})")

            # Pipe subprocess stdout → RedBot logger in a background thread
            def _pipe_logs(proc):
                for line in proc.stdout:
                    line = line.rstrip()
                    if line:
                        log.info(f"[WebUI] {line}")
            threading.Thread(target=_pipe_logs, args=(self._webui_process,), daemon=True).start()

            return True
        except Exception as e:
            log.exception(f"[WebUI] Failed to start: {e}")
            return False

    async def _stop_webui(self):
        """Stop the Flask web UI subprocess."""
        if self._webui_process and self._webui_process.poll() is None:
            try:
                self._webui_process.terminate()
                await asyncio.sleep(1)
                if self._webui_process.poll() is None:
                    self._webui_process.kill()
                log.info("[WebUI] Stopped")
            except Exception as e:
                log.exception(f"[WebUI] Error stopping: {e}")
        self._webui_process = None

    # -------------------------------------------------------------------------
    # Cog lifecycle
    # -------------------------------------------------------------------------

    async def cog_load(self):
        """Called when cog is loaded."""
        mode = await self._get_tts_mode()
        auto_start = await self.config.dectalk_auto_start()

        if auto_start:
            server_js = self.dectalk_dir / "server.js"
            node_modules = self.dectalk_dir / "node_modules"
            if server_js.exists() and node_modules.exists():
                log.info("DECTalk auto-start: server is installed, starting...")
                await self._start_dectalk_server()
            elif mode == "dectalk":
                log.warning("DECTalk mode active but server not installed. Run [p]ttstoy dectalkinstall")

        # Start health HTTP server
        try:
            _HealthHandler.cog_ref = self
            self._health_server = HTTPServer(("0.0.0.0", TTSTOY_HEALTH_PORT), _HealthHandler)
            self._health_thread = threading.Thread(
                target=self._health_server.serve_forever, daemon=True
            )
            self._health_thread.start()
            log.info(f"TtsToy health server started on port {TTSTOY_HEALTH_PORT}")
        except Exception:
            log.exception("Failed to start TtsToy health server")

        # Start web UI subprocess
        await self._start_webui()

        # Start web UI state processor
        self._webui_state_processor.start()
        log.info("[WebUI] State processor started")