# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4

###############################################################################
# ScribeEngine - Open Source Blog Software                                    #
# --------------------------------------------------------------------------- #
# Copyright (c) 2010-2017 Raoul Snyman                                        #
# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it     #
# under the terms of the GNU General Public License as published by the Free  #
# Software Foundation; version 2 of the License.                              #
#                                                                             #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for    #
# more details.                                                               #
#                                                                             #
# You should have received a copy of the GNU General Public License along     #
# with this program; if not, write to the Free Software Foundation, Inc., 59  #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
###############################################################################
"""
The :mod:`~scribeengine` module sets up and runs ScribeEngine
"""
import os

from flask import Flask
from flask_mail import Mail
from flask_themes import setup_themes
from flask_user import SQLAlchemyAdapter, UserManager

from scribeengine.config import read_config_from_file
from scribeengine.db import db
from scribeengine.models import User


def create_app(config_file=None):
    """
    Create the application object
    """
    application = Flask('ScribeEngine')
    # Set up configuration
    if not config_file:
        if os.environ.get('SCRIBEENGINE_CONFIG'):
            config_file = os.environ['SCRIBEENGINE_CONFIG']
        elif os.path.exists('sundaybuilder.conf'):
            config_file = 'sundaybuilder.conf'
    if config_file:
        application.config.update(read_config_from_file(config_file))
    # Set up mail, themes
    Mail(application)
    setup_themes(application, app_identifier='ScribeEngine')
    # Set up database
    db.init_app(application)
    db.create_all()
    # Setup Flask-User
    db_adapter = SQLAlchemyAdapter(db, User)                # Register the User model
    user_manager = UserManager(db_adapter, application)     # Initialize Flask-User
    # Register all the blueprints
    # Return the application object
    return application