import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
import socketio

from app.config import get_settings
from app.api.routes import games, auth, health
from app.websocket.connection_manager import ConnectionManager
from app.websocket.handlers import register_handlers
from app.database.session import init_db
from app.utils.logging import setup_logging

logger = logging.getLogger(f'{__name__}.main')


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Startup and shutdown events"""
    # Startup
    logger.info("Starting Paper Dynasty Game Backend")
    setup_logging()
    await init_db()
    logger.info("Database initialized")
    yield
    # Shutdown
    logger.info("Shutting down Paper Dynasty Game Backend")


# Initialize FastAPI app
app = FastAPI(
    title="Paper Dynasty Game Backend",
    description="Real-time baseball game engine for Paper Dynasty leagues",
    version="1.0.0",
    lifespan=lifespan
)

# CORS middleware
settings = get_settings()
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Initialize Socket.io
sio = socketio.AsyncServer(
    async_mode='asgi',
    cors_allowed_origins=settings.cors_origins,
    logger=True,
    engineio_logger=False
)

# Create Socket.io ASGI app
socket_app = socketio.ASGIApp(sio, app)

# Initialize connection manager and register handlers
connection_manager = ConnectionManager(sio)
register_handlers(sio, connection_manager)

# Include API routes
app.include_router(health.router, prefix="/api", tags=["health"])
app.include_router(auth.router, prefix="/api/auth", tags=["auth"])
app.include_router(games.router, prefix="/api/games", tags=["games"])


@app.get("/")
async def root():
    return {"message": "Paper Dynasty Game Backend", "version": "1.0.0"}


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "app.main:socket_app",
        host="0.0.0.0",
        port=8000,
        reload=True,
        log_level="info"
    )