#
# Copyright (c) 2021 the Hugging Face team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.#
import logging
import os

from databases import Database
from fastapi import FastAPI

from app.core.config import DATABASE_URL


logger = logging.getLogger(__name__)


async def connect_to_db(app: FastAPI) -> None:
    DB_URL = f"{DATABASE_URL}_test" if os.environ.get("TESTING") else DATABASE_URL
    database = Database(DB_URL, min_size=2, max_size=10)
    try:
        await database.connect()
        app.state._db = database
    except Exception as e:
        logger.warn("--- DB CONNECTION ERROR ---")
        logger.warn(e)
        logger.warn("--- DB CONNECTION ERROR ---")


async def close_db_connection(app: FastAPI) -> None:
    try:
        await app.state._db.disconnect()
    except Exception as e:
        logger.warn("--- DB DISCONNECT ERROR ---")
        logger.warn(e)
        logger.warn("--- DB DISCONNECT ERROR ---")
