import logging
from contextlib import asynccontextmanager

from fastapi import FastAPI

from app.db import check_db

logger = logging.getLogger("pops")


@asynccontextmanager
async def lifespan(app: FastAPI):
    ok, msg = check_db()
    if ok:
        logger.info("Database connection OK")
    else:
        logger.warning("Database unreachable: %s", msg)
    yield


app = FastAPI(title="POPS", lifespan=lifespan)


@app.get("/")
def root():
    return {"message": "Hello from POPS"}


@app.get("/health")
def health():
    ok, msg = check_db()
    return {
        "status": "ok" if ok else "degraded",
        "db": "connected" if ok else "unreachable",
        "detail": msg,
    }