from fastapi import APIRouter
from fastapi import Depends
from fastapi import HTTPException

from sqlalchemy.orm import Session

import schemas
from services import crud
from app.db.session import SessionLocal
from core.logger import get_logger

router = APIRouter()
logger = get_logger('user')


def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()


# GET ITEMS
@router.get("/items", response_model=list[schemas.ItemResponse])
def get_items(db: Session = Depends(get_db)):
    try:
        items = crud.get_items(db)
        logger.info(f"User fetched items: {len(items)} items")
        return items
    except Exception as e:
        logger.critical(f"Unexpected error fetching items: {e}")
        raise


# SPIN
@router.post("/spin")
def spin(db: Session = Depends(get_db)):
    try:
        winner = crud.spin_wheel(db)

        if not winner:
            logger.warning("Spin attempted but no items available")
            raise HTTPException(
                status_code=400,
                detail="No items available"
            )

        logger.info(f"Spin result: {winner.title}")

        return {
            "winner": {
                "id": winner.id,
                "title": winner.title
            }
        }

    except HTTPException:
        raise

    except Exception as e:
        logger.critical(f"Unexpected error during spin: {e}")
        raise