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

from .core.config import settings
from .db.mongodb import MongoDB
from .routes import auth

# Configure logging
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan manager"""
    # Startup
    logger.info("🚀 Starting Console Backend...")

    try:
        # Connect to MongoDB
        await MongoDB.connect()
        logger.info("✅ MongoDB connected successfully")

    except Exception as e:
        logger.error(f"❌ Failed to connect to MongoDB: {e}")
        raise

    yield

    # Shutdown
    logger.info("👋 Shutting down Console Backend...")
    await MongoDB.disconnect()


# Create FastAPI app
app = FastAPI(
    title=settings.APP_NAME,
    version=settings.APP_VERSION,
    description="Site11 Console - Central management system for news generation pipeline",
    lifespan=lifespan
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.CORS_ORIGINS if not settings.DEBUG else ["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include routers
app.include_router(auth.router)


# Health check endpoints
@app.get("/")
async def root():
    """Root endpoint"""
    return {
        "message": f"Welcome to {settings.APP_NAME}",
        "version": settings.APP_VERSION,
        "status": "running"
    }


@app.get("/health")
async def health_check():
    """Health check endpoint"""
    return {
        "status": "healthy",
        "service": "console-backend",
        "version": settings.APP_VERSION
    }


@app.get("/api/health")
async def api_health_check():
    """API health check endpoint for frontend"""
    return {
        "status": "healthy",
        "service": "console-backend-api",
        "version": settings.APP_VERSION
    }


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "app.main:app",
        host="0.0.0.0",
        port=8000,
        reload=settings.DEBUG
    )