from flask import Flask
from flask_bootstrap import Bootstrap
from flask_sqlalchemy import SQLAlchemy
from config import Config, config_options
from flask_login import LoginManager

bootstrap=Bootstrap()
db=SQLAlchemy()

login_manager=LoginManager()
login_manager.session_protection="strong"
login_manager.login_view="auth.login"

def create_app(config_name):

    app=Flask(__name__)

    app.config.from_object(config_options[config_name])
    app.config.from_object(Config)

    bootstrap.init_app(app)
    db.init_app(app)
    login_manager.init_app(app)

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

    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)

    return app