"""FastAPI application entry point."""
import logging
from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.api import api_router
from app.config import get_settings
from app.database import init_db
from app.scheduler import start_scheduler, stop_scheduler

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

settings = get_settings()


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan handler."""
    # Startup
    logger.info(f"Starting {settings.app_name}...")
    
    # Initialize database
    await init_db()
    logger.info("Database initialized")
    
    # Start scheduler
    start_scheduler()
    logger.info("Scheduler started")
    
    yield
    
    # Shutdown
    stop_scheduler()
    logger.info("Application shutdown complete")


# Create FastAPI application
app = FastAPI(
    title=settings.app_name,
    description="Domain availability monitoring service",
    version="1.0.0",
    lifespan=lifespan,
)

# Configure CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        "http://localhost:3000",
        "http://127.0.0.1:3000",
        "http://10.42.0.73:3000",
        # Add production origins here
    ],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include API routes
app.include_router(api_router, prefix="/api/v1")


@app.get("/")
async def root():
    """Root endpoint."""
    return {
        "name": settings.app_name,
        "version": "1.0.0",
        "status": "running",
    }


@app.get("/health")
async def health_check():
    """Health check endpoint."""
    return {"status": "healthy"}