# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 McKinsey Academy
#
# Authors:
#          Jonathan Piacenti <jonathan@opencraft.com>
#
# This software's license gives you freedom; you can copy, convey,
# propagate, redistribute and/or modify this program under the terms of
# the GNU Affero General Public License (AGPL) as published by the Free
# Software Foundation (FSF), either version 3 of the License, or (at your
# option) any later version of the AGPL published by the FSF.
#
# 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 Affero
# General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program in a file in the toplevel directory called
# "AGPLv3".  If not, see <http://www.gnu.org/licenses/>.
#

import bleach

from markdown import markdown


ALLOWED_TAGS = {
    'h1': [], 'h2': [], 'h3': [], 'h4': [], 'h5': [], 'h6': [],
    'a': ['target', 'href', 'class'], 'strong': [], 'em': [], 'blockquote': [],
    'pre': [], 'li': [], 'ul': [], 'ol': [], 'code': ['class'], 'p': [],
    }


def process_markdown(raw_text):
    return bleach.clean(markdown(raw_text), tags=ALLOWED_TAGS, strip_comments=False)