from contextlib import asynccontextmanager

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

from app.api import api_router
from app.core.config import settings
from app.db.session import init_db
from app.services.scheduler import scheduler_service


@asynccontextmanager
async def lifespan(app: FastAPI):
    init_db()
    scheduler_service.start()
    try:
        yield
    finally:
        scheduler_service.shutdown()


app = FastAPI(title=settings.app_name, version="1.1.0", lifespan=lifespan)
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)
app.include_router(api_router, prefix=settings.api_prefix)