"""
FastAPI application entry point.
Configures middleware, CORS, and routes.
"""

from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.core.config import settings
from app.core.database import create_db_tables
from app.middleware.jwt_middleware import verify_jwt_token
from app.api.routes import auth, todos


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Create database tables on startup."""
    create_db_tables()
    yield


# Create FastAPI application
app = FastAPI(
    title=settings.APP_NAME,
    debug=settings.DEBUG,
    version="1.0.0",
    lifespan=lifespan,
)

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

# Register JWT verification middleware
app.middleware("http")(verify_jwt_token)

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

# Include routers
app.include_router(auth.router, prefix="/api")
app.include_router(todos.router, prefix="/api")