import os
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_bcrypt import Bcrypt
from flask_migrate import Migrate
from flask_wtf.csrf import CSRFProtect
from flask_login import (
    LoginManager,
)

db = SQLAlchemy()
migrate = Migrate()
bcrypt = Bcrypt()
login_manager = LoginManager()


def create_app():
    APP = Flask(__name__, static_folder="static")

    APP.secret_key = 'secret-key'
    APP.config['SQLALCHEMY_DATABASE_URI'] = "sqlite:///data/distribusiverse.db"
    APP.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True
    #APP.config['MAX_CONTENT_LENGTH'] = 150 * 1024 * 1024

    login_manager.session_protection = "strong"
    login_manager.login_view = "index"
    login_manager.login_message_category = "info"

    csrf = CSRFProtect()

    APP.config['SECRET_KEY'] = os.urandom(24)
    APP.config['UPLOAD_FOLDER'] = 'tmpupload'

    csrf.init_app(APP)
    login_manager.init_app(APP)
    db.init_app(APP)
    migrate.init_app(APP, db)
    bcrypt.init_app(APP)

    return APP