from fastapi import FastAPI, WebSocket, WebSocketDisconnect
from fastapi.middleware.cors import CORSMiddleware
from app.config import settings
from app.utils.logger import setup_logger, get_logger
from app.api.routes import dashboard, backtest, models, trading, settings as settings_routes
from app.api.websocket import manager

setup_logger()
logger = get_logger(__name__)

app = FastAPI(
    title=settings.APP_NAME,
    version=settings.APP_VERSION,
    docs_url="/docs",
    redoc_url="/redoc",
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins_list,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

app.include_router(dashboard.router, prefix="/api/v1/dashboard", tags=["dashboard"])
app.include_router(backtest.router, prefix="/api/v1/backtest", tags=["backtest"])
app.include_router(models.router, prefix="/api/v1/models", tags=["models"])
app.include_router(trading.router, prefix="/api/v1/trading", tags=["trading"])
app.include_router(settings_routes.router, prefix="/api/v1/settings", tags=["settings"])


@app.on_event("startup")
async def startup_event():
    logger.info(f"Starting {settings.APP_NAME} v{settings.APP_VERSION}")
    logger.info(f"Data path: {settings.DATA_PATH_RESOLVED}")


@app.on_event("shutdown")
async def shutdown_event():
    logger.info("Shutting down application")


@app.get("/health")
async def health_check():
    return {"status": "healthy", "version": settings.APP_VERSION}


@app.websocket("/ws/real-time")
async def websocket_endpoint(websocket: WebSocket):
    await manager.connect(websocket)
    try:
        while True:
            data = await websocket.receive_text()
            await manager.broadcast("message", {"text": data})
    except WebSocketDisconnect:
        manager.disconnect(websocket)


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(
        "app.main:app",
        host=settings.HOST,
        port=settings.PORT,
        reload=settings.DEBUG,
    )