from flask import Flask
from flask_sqlalchemy import SQLAlchemy
import logging

db = SQLAlchemy()

logger = logging.getLogger('sqlalchemy.engine')
logger.setLevel(logging.INFO)
if not logger.handlers:
    handler = logging.StreamHandler()
    handler.setFormatter(logging.Formatter('%(asctime)s [%(levelname)s] %(message)s'))
    logger.addHandler(handler)

def create_app():
    from config import Config
    app = Flask(__name__)
    app.config.from_object(Config)

    db.init_app(app)

    with app.app_context():
        from . import models
        db.create_all()

    from .routes import main
    app.register_blueprint(main)

    return app