import flask_apscheduler
from flask import Flask
from flask_migrate import Migrate
from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()
migrate = Migrate()


def create_app():
    APP = Flask(__name__)
    scheduler = flask_apscheduler.APScheduler()
    scheduler.api_enabled = True
    scheduler.init_app(APP)
    scheduler.start()
    APP.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///schedule.db"
    APP.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False

    db.init_app(APP)
    migrate.init_app(APP, db, render_as_batch=True)

    return APP