#!/usr/bin/env python3
"""
Morshu TTS Server — standalone HTTP API for MorshuTalk engine.
Runs on port 33002. GET /say?text=... returns WAV audio.
"""
import os
import sys
import io
from pathlib import Path
from http.server import HTTPServer, BaseHTTPRequestHandler
from urllib.parse import urlparse, parse_qs

# Engine lives alongside this server (self-contained)
SCRIPT_DIR = Path(__file__).resolve().parent
sys.path.insert(0, str(SCRIPT_DIR))

from morshutalk_engine import Morshu

morshu = Morshu()
PORT = int(os.environ.get("PORT", 33002))


class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        parsed = urlparse(self.path)
        if parsed.path == "/say":
            params = parse_qs(parsed.query)
            text = params.get("text", [""])[0]
            if not text:
                self.send_error(400, "Missing 'text' parameter")
                return
            try:
                audio = morshu.load_text(text)
                if audio is False or len(audio) == 0:
                    self.send_error(500, "Failed to generate audio")
                    return
                buf = io.BytesIO()
                audio.export(buf, format="wav")
                wav_bytes = buf.getvalue()
                self.send_response(200)
                self.send_header("Content-Type", "audio/wav")
                self.send_header("Content-Length", str(len(wav_bytes)))
                self.end_headers()
                self.wfile.write(wav_bytes)
            except Exception as e:
                self.send_error(500, str(e))
        elif parsed.path == "/health":
            self.send_response(200)
            self.send_header("Content-Type", "text/plain")
            self.end_headers()
            self.wfile.write(b"ok")
        else:
            self.send_error(404)

    def log_message(self, format, *args):
        print(f"[Morshu] {args[0]}")


if __name__ == "__main__":
    print(f"[Morshu] Starting server on port {PORT}...")
    server = HTTPServer(("0.0.0.0", PORT), Handler)
    print(f"[Morshu] Ready — http://127.0.0.1:{PORT}/say?text=hello")
    server.serve_forever()