import logging
from contextlib import asynccontextmanager

from fastapi import FastAPI, Request
from fastapi.responses import JSONResponse

from .api import router
from .chat_api import router as chat_router
from .db import SessionLocal
from .seed import seed_initial


logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(name)s %(message)s")
@asynccontextmanager
async def lifespan(_app: FastAPI):
    with SessionLocal() as db:
        seed_initial(db)
    yield


app = FastAPI(title="WiseGrade 智评", version="0.1.0", lifespan=lifespan)
app.include_router(router)
app.include_router(chat_router)


@app.exception_handler(ValueError)
async def value_error_handler(_request: Request, exc: ValueError):
    return JSONResponse(status_code=400, content={"detail": str(exc)})


@app.get("/api/health")
def health():
    return {"status": "ok"}