import os

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

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

    APP.config["MAIL_SERVER"] = "mail.autonomic.zone"
    APP.config["MAIL_PORT"] = 587
    APP.config["MAIL_USE_SSL"] = False
    APP.config["MAIL_USE_TLS"] = True
    APP.config["MAIL_USERNAME"] = "noreply@vvvvvvaria.org"

    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"
    APP.config["PUBLIC_THEMES"] = "themes/publicthemes"

    csrf.init_app(APP)
    login_manager.init_app(APP)
    db.init_app(APP)
    migrate.init_app(APP, db, render_as_batch=True)
    bcrypt.init_app(APP)

    return APP