from __future__ import annotations

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session

from .. import models, schemas
from ..db import get_db

router = APIRouter(prefix="/games", tags=["games"])


@router.post("", response_model=schemas.GameOut, status_code=201)
def create_game(body: schemas.GameCreate, db: Session = Depends(get_db)) -> models.Game:
    game = models.Game(name=body.name, notes=body.notes)
    db.add(game)
    try:
        db.commit()
    except IntegrityError:
        db.rollback()
        raise HTTPException(409, "game with that name already exists")
    db.refresh(game)
    return game


@router.get("", response_model=list[schemas.GameOut])
def list_games(db: Session = Depends(get_db)) -> list[models.Game]:
    return list(db.scalars(select(models.Game).order_by(models.Game.name)))


@router.get("/{game_id}", response_model=schemas.GameDetail)
def get_game(game_id: int, db: Session = Depends(get_db)) -> models.Game:
    game = db.get(models.Game, game_id)
    if game is None:
        raise HTTPException(404, "game not found")
    return game