# This file is part of Indico.
# Copyright (C) 2002 - 2017 European Organization for Nuclear Research (CERN).
#
# Indico 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; either version 3 of the
# License, or (at your option) any later version.
#
# Indico 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 Indico; if not, see <http://www.gnu.org/licenses/>.

from __future__ import unicode_literals

from flask import render_template, session

from indico.core import signals
from indico.core.settings import SettingsProxy
from indico.util.i18n import _
from indico.web.flask.templating import template_hook
from indico.web.flask.util import url_for
from indico.web.menu import SideMenuItem


_DEFAULT_RESTRICTED_DISCLAIMER = ("Circulation to people other than the intended audience is not authorized. "
                                  "You are obliged to treat the information with the appropriate level of "
                                  "confidentiality.")
_DEFAULT_PROTECTED_DISCLAIMER = ("As such, this information is intended for an internal audience only. "
                                 "You are obliged to treat the information with the appropriate level of "
                                 "confidentiality.")


legal_settings = SettingsProxy('legal', {
    'network_protected_disclaimer': _DEFAULT_PROTECTED_DISCLAIMER,
    'restricted_disclaimer': _DEFAULT_RESTRICTED_DISCLAIMER,
    'tos': ''
})


@signals.menu.items.connect_via('admin-sidemenu')
def _sidemenu_items(sender, **kwargs):
    if session.user.is_admin:
        yield SideMenuItem('legal_messages', _('Legal/Disclaimers'), url_for('legal.manage'), section='security')


@template_hook('page-footer')
def _inject_footer(**kwargs):
    if legal_settings.get('tos'):
        return render_template('legal/tos_footer.html')
