# 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 oslo_log import log as logging

from unittest import mock
from designate.tests.test_manage import DesignateManageTestCase
from designate.manage.pool import PoolCommands
from designate.tests import fixtures
from designate import objects

LOG = logging.getLogger(__name__)


class UpdatePoolTestCase(DesignateManageTestCase):
    def setUp(self):
        super(DesignateManageTestCase, self).setUp()
        self.stdlog = fixtures.StandardLogging()
        self.useFixture(self.stdlog)

    def hydrate_pool_targets(self, target_masters):
        pool_targets = objects.PoolTargetList()
        masters = objects.PoolTargetMasterList()
        for target_master in target_masters:
            masters.append(target_master)
        target = objects.PoolTarget(masters=masters)
        target.masters = masters
        pool_targets.append(target)
        return pool_targets

    def test_update_pools_zones(self):
        values = dict(
            name='example.com.',
            email='info@example.com',
            type='PRIMARY'
        )

        zone = self.central_service.create_zone(
            self.admin_context, zone=objects.Zone.from_dict(values))

        # Ensure the correct NS Records are in place
        pool = self.central_service.get_pool(
            self.admin_context, zone.pool_id)

        pool.targets = self.hydrate_pool_targets([objects.PoolTargetMaster(
                  pool_target_id=pool.id,
                  host="127.0.0.1",
                  port="53")])

        command = PoolCommands()
        command.context = self.admin_context
        command.central_api = self.central_service

        with mock.patch.object(self.central_service,
                               "update_zone") as mock_update_zone:
            command._update_zones(pool)
            mock_update_zone.assert_called_once()

    def test_update_pools_zones_multiple_masters(self):
        values = dict(
            name='example.com.',
            email='info@example.com',
            type='PRIMARY'
        )

        zone = self.central_service.create_zone(
            self.admin_context, zone=objects.Zone.from_dict(values))

        # Ensure the correct NS Records are in place
        pool = self.central_service.get_pool(
            self.admin_context, zone.pool_id)

        targets1 = self.hydrate_pool_targets([
            objects.PoolTargetMaster(
                  pool_target_id=pool.id,
                  host="127.0.0.1",
                  port="53")
        ])
        targets2 = self.hydrate_pool_targets([
            objects.PoolTargetMaster(
                  pool_target_id=pool.id,
                  host="127.0.0.1",
                  port="53")
        ])
        pool.targets = objects.PoolTargetList()
        pool.targets.extend(targets1.objects + targets2.objects)

        command = PoolCommands()
        command.context = self.admin_context
        command.central_api = self.central_service

        command._update_zones(pool)
