from flask import Flask
from flask_cors import CORS
from flask_mail import Mail
from werkzeug.middleware.proxy_fix import ProxyFix

import config


mail = Mail()


def create_app(cfg=config):
    app = Flask(__name__)
    app.config.from_object(cfg)
    app.wsgi_app = ProxyFix(app.wsgi_app)

    mail.init_app(app)

    from app.api import bp as bp_api

    app.register_blueprint(bp_api)

    CORS(
        app,
        resources={r'/api/*': {
            'methods': ['POST', 'OPTIONS'],
            'allow_origins': app.config['CORS_ALLOWED_ORIGINS'].split(','),
            'allow_headers': app.config['CORS_ALLOWED_HEADERS'].split(','),
        }})

    return app