from __future__ import annotations

import logging
import os
from pathlib import Path

from dotenv import load_dotenv

from src.web import app

# prepare optional local setup
env_path = Path(__file__).parent.parent / 'local.env'
load_dotenv(env_path)

# ensure env vars set
necesasary_var_list = {
    'MONGO_HOST',
    'MONGO_DB',
    'MONGO_COLLECTION',
    'MONGO_USER',
    'MONGO_PASSWORD',
    'DASH_AUTH_USERNAME',
    'DASH_AUTH_PASSWORD',
}
for env_var in necesasary_var_list:
    # ensure env var set
    assert (
        env_var in os.environ
    ), (
        f"environment variable not set: {env_var}"
    )

# setup logging stream handler
fmt = (
    '%(asctime)s | '
    '%(levelname)s | '
    '%(filename)s | '
    '%(funcName)s | '
    '%(message)s'
)
datefmt = '%Y-%m-%d %H:%M:%S'
logging.basicConfig(format=fmt, datefmt=datefmt, level=logging.INFO)

logging.info('initialized app')
server = app.server

if __name__ == '__main__':
    # prepare local env vars
    os.environ['MONGO_HOST'] = 'localhost'
    # run app
    app.run(debug=True)
    logging.info('started app')