from contextlib import asynccontextmanager

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

from app.api.routes import router
from app.core.config import get_settings
from app.core.logging import configure_logging, logger
from app.db.base import Base
from app.db.session import engine
from app.services.rag.lightrag_adapter import LightRAGAdapter


settings = get_settings()
configure_logging(settings.log_level)


@asynccontextmanager
async def lifespan(_: FastAPI):
    Base.metadata.create_all(bind=engine)
    try:
        LightRAGAdapter(settings).ensure_ready()
    except Exception:
        logger.exception("Qdrant initialization skipped during startup")
    yield


app = FastAPI(title=settings.app_name, lifespan=lifespan)
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)
app.include_router(router)