from flask import Flask
from config import config_options
from flask_bootstrap import Bootstrap
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from flask_uploads import UploadSet,configure_uploads,IMAGES
from flask_mail import Mail
from flask_simplemde import SimpleMDE

simple = SimpleMDE()

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

mail = Mail()
bootstrap = Bootstrap()
db = SQLAlchemy()

photos = UploadSet('photos', IMAGES)

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

  # Creating the app configurations
  app.config.from_object(config_options[config_name])

  # Initializing flask extensions
  bootstrap.init_app(app)
  db.init_app(app)
  login_manager.init_app(app)
  mail.init_app(app)
  simple.init_app(app)

 # Registering the blueprint
  from .main import main as main_blueprint
  app.register_blueprint(main_blueprint)

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

  # setting config
  from .request import configure_request
  configure_request(app)

#Configure upload set
  configure_uploads(app, photos)

  return app