# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
# Copyright 2012 OpenStack Foundation
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

from django.utils.translation import ugettext_lazy as _

from horizon import exceptions
from horizon import tabs

from neutronclient.common import exceptions as neutron_exc

from openstack_dashboard.api import network
from openstack_dashboard.dashboards.project.access_and_security.\
    security_groups.tables import SecurityGroupsTable


class SecurityGroupsTab(tabs.TableTab):
    table_classes = (SecurityGroupsTable,)
    name = _("Security Groups")
    slug = "security_groups_tab"
    template_name = "horizon/common/_detail_table.html"
    permissions = ('openstack.services.compute',)

    def get_security_groups_data(self):
        try:
            security_groups = network.security_group_list(self.request)
        except neutron_exc.ConnectionFailed:
            security_groups = []
            exceptions.handle(self.request)
        except Exception:
            security_groups = []
            exceptions.handle(self.request,
                              _('Unable to retrieve security groups.'))
        return sorted(security_groups, key=lambda group: group.name)


class AccessAndSecurityTabs(tabs.TabGroup):
    slug = "access_security_tabs"
    tabs = (SecurityGroupsTab,)
    sticky = True