"""
主应用入口
"""
from fastapi import FastAPI, WebSocket
from fastapi.middleware.cors import CORSMiddleware
from config import settings
from websocket_handler import WebSocketHandler

app = FastAPI(title="Tolan Backend API")

# 配置CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # 生产环境应该限制具体域名
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.get("/")
async def root():
    """健康检查"""
    return {"status": "ok", "message": "Tolan Backend API"}


@app.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
    """WebSocket端点"""
    handler = WebSocketHandler(websocket)
    await handler.handle_connection()


if __name__ == "__main__":
    import uvicorn
    import os
    from pathlib import Path
    
    # SSL证书路径
    ssl_dir = Path(__file__).parent.parent / "ssl"
    ssl_keyfile = str(ssl_dir / "key.pem")
    ssl_certfile = str(ssl_dir / "cert.pem")
    
    # 检查证书是否存在
    if not os.path.exists(ssl_keyfile) or not os.path.exists(ssl_certfile):
        print(f"警告: SSL证书不存在，请检查 {ssl_dir} 目录")
        ssl_keyfile = None
        ssl_certfile = None
    
    uvicorn.run(
        "main:app",
        host=settings.host,
        port=settings.port,
        reload=True,
        ssl_keyfile=ssl_keyfile,
        ssl_certfile=ssl_certfile,
    )