#   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.

import mock

from osc_lib import exceptions
from osc_lib import utils

from troveclient import common
from troveclient.osc.v1 import database_clusters
from troveclient.tests.osc.v1 import fakes


class TestClusters(fakes.TestDatabasev1):
    fake_clusters = fakes.FakeClusters()

    def setUp(self):
        super(TestClusters, self).setUp()
        self.mock_client = self.app.client_manager.database
        self.cluster_client = self.app.client_manager.database.clusters
        self.instance_client = self.app.client_manager.database.instances


class TestClusterList(TestClusters):

    defaults = {
        'limit': None,
        'marker': None
    }

    columns = database_clusters.ListDatabaseClusters.columns
    values = ('cls-1234', 'test-clstr', 'vertica', '7.1', 'NONE')

    def setUp(self):
        super(TestClusterList, self).setUp()
        self.cmd = database_clusters.ListDatabaseClusters(self.app, None)
        data = [self.fake_clusters.get_clusters_cls_1234()]
        self.cluster_client.list.return_value = common.Paginated(data)

    def test_cluster_list_defaults(self):
        parsed_args = self.check_parser(self.cmd, [], [])
        columns, data = self.cmd.take_action(parsed_args)
        self.cluster_client.list.assert_called_once_with(**self.defaults)
        self.assertEqual(self.columns, columns)
        self.assertEqual([self.values], data)


class TestClusterShow(TestClusters):

    values = ('2015-05-02T10:37:04', 'vertica', '7.1', 'cls-1234', 2,
              'test-clstr', 'No tasks for the cluster.', 'NONE',
              '2015-05-02T11:06:19')

    def setUp(self):
        super(TestClusterShow, self).setUp()
        self.cmd = database_clusters.ShowDatabaseCluster(self.app, None)
        self.data = self.fake_clusters.get_clusters_cls_1234()
        self.cluster_client.get.return_value = self.data
        self.columns = (
            'created',
            'datastore',
            'datastore_version',
            'id',
            'instance_count',
            'name',
            'task_description',
            'task_name',
            'updated',
        )

    def test_show(self):
        args = ['cls-1234']
        parsed_args = self.check_parser(self.cmd, args, [])
        columns, data = self.cmd.take_action(parsed_args)
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.values, data)


class TestDatabaseClusterDelete(TestClusters):

    def setUp(self):
        super(TestDatabaseClusterDelete, self).setUp()
        self.cmd = database_clusters.DeleteDatabaseCluster(self.app, None)

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_delete(self, mock_find):
        args = ['cluster1']
        mock_find.return_value = args[0]
        parsed_args = self.check_parser(self.cmd, args, [])
        result = self.cmd.take_action(parsed_args)
        self.cluster_client.delete.assert_called_with('cluster1')
        self.assertIsNone(result)

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_delete_with_exception(self, mock_find):
        args = ['fakecluster']
        parsed_args = self.check_parser(self.cmd, args, [])

        mock_find.side_effect = exceptions.CommandError
        self.assertRaises(exceptions.CommandError,
                          self.cmd.take_action,
                          parsed_args)


class TestDatabaseClusterCreate(TestClusters):

    values = ('2015-05-02T10:37:04', 'vertica', '7.1', 'cls-1234',
              2, 'test-clstr', 'No tasks for the cluster.',
              'NONE', '2015-05-02T11:06:19')
    columns = (
        'created',
        'datastore',
        'datastore_version',
        'id',
        'instance_count',
        'name',
        'task_description',
        'task_name',
        'updated',
    )

    def setUp(self):
        super(TestDatabaseClusterCreate, self).setUp()
        self.cmd = database_clusters.CreateDatabaseCluster(self.app, None)
        self.data = self.fake_clusters.get_clusters_cls_1234()
        self.cluster_client.create.return_value = self.data

    @mock.patch.object(database_clusters, '_parse_instance_options')
    def test_cluster_create(self, mock_parse_instance_opts):
        instances = ['flavor="02",volume=2',
                     'flavor="03",volume=3']
        parsed_instances = [{'flavor': '02', 'volume': 2},
                            {'flavor': '03', 'volume': 3}]
        mock_parse_instance_opts.return_value = parsed_instances
        args = ['test-name', 'vertica', '7.1',
                '--instance', instances[0],
                '--instance', instances[1]]
        verifylist = [
            ('name', 'test-name'),
            ('datastore', 'vertica'),
            ('datastore_version', '7.1'),
            ('instances', instances),
        ]
        parsed_args = self.check_parser(self.cmd, args, verifylist)
        columns, data = self.cmd.take_action(parsed_args)
        self.cluster_client.create.assert_called_with(
            parsed_args.name, parsed_args.datastore,
            parsed_args.datastore_version,
            instances=parsed_instances,
            locality=parsed_args.locality)
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.values, data)


class TestDatabaseClusterResetStatus(TestClusters):

    def setUp(self):
        super(TestDatabaseClusterResetStatus, self).setUp()
        self.cmd = database_clusters.ResetDatabaseClusterStatus(self.app, None)

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_reset_status(self, mock_find):
        args = ['cluster1']
        mock_find.return_value = args[0]
        parsed_args = self.check_parser(self.cmd, args, [])
        result = self.cmd.take_action(parsed_args)
        self.cluster_client.reset_status.assert_called_with('cluster1')
        self.assertIsNone(result)


class TestClusterListInstances(TestClusters):

    columns = (database_clusters
               .ListDatabaseClusterInstances.columns)
    values = [('member-1', 'test-clstr-member-1', '02', 2, 'ACTIVE'),
              ('member-2', 'test-clstr-member-2', '2', 2, 'ACTIVE')]

    def setUp(self):
        super(TestClusterListInstances, self).setUp()
        self.cmd = (database_clusters
                    .ListDatabaseClusterInstances(self.app, None))
        self.data = self.fake_clusters.get_clusters_cls_1234()
        self.cluster_client.get.return_value = self.data

    def test_cluster_list_instances(self):
        args = ['cls-1234']
        parsed_args = self.check_parser(self.cmd, args, [])
        columns, data = self.cmd.take_action(parsed_args)
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.values, data)


class TestDatabaseClusterUpgrade(TestClusters):

    def setUp(self):
        super(TestDatabaseClusterUpgrade, self).setUp()
        self.cmd = database_clusters.UpgradeDatabaseCluster(self.app, None)

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_upgrade(self, mock_find):
        args = ['cluster1', 'datastore_version1']
        mock_find.return_value = args[0]
        parsed_args = self.check_parser(self.cmd, args, [])
        result = self.cmd.take_action(parsed_args)
        self.cluster_client.upgrade.assert_called_with('cluster1',
                                                       'datastore_version1')
        self.assertIsNone(result)


class TestDatabaseClusterForceDelete(TestClusters):

    def setUp(self):
        super(TestDatabaseClusterForceDelete, self).setUp()
        self.cmd = database_clusters.ForceDeleteDatabaseCluster(self.app, None)

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_force_delete(self, mock_find):
        args = ['cluster1']
        mock_find.return_value = args[0]
        parsed_args = self.check_parser(self.cmd, args, [])
        result = self.cmd.take_action(parsed_args)
        self.cluster_client.reset_status.assert_called_with('cluster1')
        self.cluster_client.delete.assert_called_with('cluster1')
        self.assertIsNone(result)

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_force_delete_with_exception(self, mock_find):
        args = ['fakecluster']
        parsed_args = self.check_parser(self.cmd, args, [])
        mock_find.return_value = args[0]

        self.cluster_client.delete.side_effect = exceptions.CommandError
        self.assertRaises(exceptions.CommandError,
                          self.cmd.take_action,
                          parsed_args)


class TestDatabaseClusterGrow(TestClusters):

    def setUp(self):
        super(TestDatabaseClusterGrow, self).setUp()
        self.cmd = database_clusters.GrowDatabaseCluster(self.app, None)

    @mock.patch.object(utils, 'find_resource')
    @mock.patch.object(database_clusters, '_parse_instance_options')
    def test_cluster_grow(self, mock_parse_instance_opts,
                          mock_find_resource):
        args = ['test-clstr',
                '--instance',
                'name=test-clstr-member-3,flavor=3']
        parsed_instance_opts = [
            {'name': 'test-clstr-member-3',
             'flavor': 3}
        ]
        mock_parse_instance_opts.return_value = parsed_instance_opts
        mock_find_resource.return_value = args[0]

        parsed_args = self.check_parser(self.cmd, args, [])
        result = self.cmd.take_action(parsed_args)
        self.cluster_client.grow.assert_called_with(
            'test-clstr',
            instances=parsed_instance_opts)
        self.assertIsNone(result)


class TestDatabaseClusterShrink(TestClusters):

    def setUp(self):
        super(TestDatabaseClusterShrink, self).setUp()
        self.cmd = database_clusters.ShrinkDatabaseCluster(self.app, None)
        self.cluster_member = self.fake_clusters.get_clusters_member_2()

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_grow(self, mock_find_resource):
        args = ['test-clstr', 'test-clstr-member-2']
        mock_find_resource.side_effect = [
            args[0], self.cluster_member]

        parsed_args = self.check_parser(self.cmd, args, [])
        result = self.cmd.take_action(parsed_args)
        self.cluster_client.shrink.assert_called_with('test-clstr',
                                                      [{'id': 'member-2'}])
        self.assertIsNone(result)


class TestClusterListModules(TestClusters):

    columns = (database_clusters
               .ListDatabaseClusterModules.columns)
    values = [('test-clstr-member-1', 'mymod1', 'ping', 'md5-1',
               '2018-04-17 05:34:02.84', '2018-04-17 05:34:02.84'),
              ('test-clstr-member-2', 'mymod2', 'ping', 'md5-2',
               '2018-04-17 05:34:02.84', '2018-04-17 05:34:02.84')]

    def setUp(self):
        super(TestClusterListModules, self).setUp()
        self.cmd = (database_clusters
                    .ListDatabaseClusterModules(self.app, None))
        self.data = self.fake_clusters.get_clusters_cls_1234()
        self.instance_client.modules.side_effect = (
            self.fake_clusters.cluster_instance_modules())

    @mock.patch.object(utils, 'find_resource')
    def test_cluster_list_modules(self, mock_find_resource):
        mock_find_resource.return_value = self.data
        args = ['cls-1234']
        parsed_args = self.check_parser(self.cmd, args, [])
        columns, data = self.cmd.take_action(parsed_args)
        self.assertEqual(self.columns, columns)
        self.assertEqual(self.values, data)