import socket, uvicorn, os
from fastapi import FastAPI
from api.openai_speech import router as speech_router
from api.voices import router as voice_router
from api.health import router as health_router
from pathlib import Path

app = FastAPI(title="XTTS2 Gateway")

app.include_router(speech_router, prefix="/v1/audio")
app.include_router(voice_router, prefix="/v1/voices")
app.include_router(health_router, prefix="/health")

PORT_FILE = Path("port.txt")

def find_free_port(start=8000, end=8100):
    for port in range(start, end+1):
        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
            try:
                s.bind(("0.0.0.0", port))
                return port
            except:
                pass
    raise RuntimeError("No free port")

def start():
    env_port = os.environ.get("GATEWAY_PORT")
    port = int(env_port) if env_port else 8000

    # check
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        try:
            s.bind(("0.0.0.0", port))
        except:
            port = find_free_port()

    PORT_FILE.write_text(str(port))

    uvicorn.run(app, host="0.0.0.0", port=port)

if __name__ == "__main__":
    start()