import atexit

from apscheduler.schedulers.background import BackgroundScheduler
import requests

from flask import Flask, current_app, g
from flask_login import LoginManager
from flask_mail import Mail
from flask_moment import Moment
from flask_sqlalchemy import SQLAlchemy

from config import configuration, DevelopmentConfig, TestingConfig, ProductionConfig



mail =Mail()
moment = Moment()
db = SQLAlchemy()
login_manager = LoginManager()
login_manager.login_view = 'auth.login'

def scheduled_task(func, seconds=60, args=None):

    scheduler = BackgroundScheduler()
    scheduler.add_job(func=func, trigger='interval', seconds=seconds, args=args)
    scheduler.start()

    atexit.register(lambda: scheduler.shutdown())


def create_app(config_name):
    app = Flask(__name__)

    app.config.from_object(configuration[config_name])
    configuration[config_name].init_app(app)

    mail.init_app(app)
    moment.init_app(app)
    db.init_app(app)
    login_manager.init_app(app)

    from .main import main as main_blueprint
    from app.auth import auth as auth_blueprint
    
    app.register_blueprint(main_blueprint)
    app.register_blueprint(auth_blueprint, url_prefix='/auth')

    return app