from flask import abort, Blueprint
from flask import redirect, session, url_for
from flask_login import current_user, logout_user

from models import User
from zeus import zeus_login

auth_bp = Blueprint('auth_bp', __name__)


def init_login(app):
    @app.login_manager.user_loader
    def load_user(userid):
        return User.query.filter_by(id=userid).first()


@auth_bp.route('/login')
def login():
    return zeus_login()


@auth_bp.route('/logout')
def logout():
    if 'zeus_token' in session:
        session.pop('zeus_token', None)
    logout_user()
    return redirect(url_for('general_bp.home'))


def before_request():
    if current_user.is_anonymous() or not current_user.is_allowed():
        abort(401)