# 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 openstack.block_storage.v3 import resource_filter as _filters
from osc_lib.cli import format_columns
from osc_lib import exceptions

from openstackclient.tests.unit.volume.v3 import fakes as volume_fakes
from openstackclient.volume.v3 import block_storage_resource_filter


def _create_fake_resource_filter():
    return _filters.ResourceFilter(
        filters=[
            'name',
            'status',
            'image_metadata',
            'bootable',
            'migration_status',
        ],
        resource='volume',
    )


class TestBlockStorageResourceFilterList(volume_fakes.TestVolume):
    def setUp(self):
        super().setUp()

        self.fake_resource_filters = [
            _create_fake_resource_filter(),
            _create_fake_resource_filter(),
            _create_fake_resource_filter(),
        ]
        self.volume_client.resource_filters.return_value = (
            self.fake_resource_filters
        )

        # Get the command object to test
        self.cmd = (
            block_storage_resource_filter.ListBlockStorageResourceFilter(
                self.app, None
            )
        )

    def test_resource_filter_list(self):
        self.set_volume_api_version('3.33')

        arglist = []
        verifylist = []
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        expected_columns = ('Resource', 'Filters')
        expected_data = tuple(
            (
                resource_filter.resource,
                format_columns.ListColumn(resource_filter.filters),
            )
            for resource_filter in self.fake_resource_filters
        )
        columns, data = self.cmd.take_action(parsed_args)

        self.assertEqual(expected_columns, columns)
        self.assertEqual(expected_data, tuple(data))

        # checking if proper call was made to list clusters
        self.volume_client.resource_filters.assert_called_with()

    def test_resource_filter_list_pre_v333(self):
        self.set_volume_api_version('3.32')

        arglist = []
        verifylist = []
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        exc = self.assertRaises(
            exceptions.CommandError, self.cmd.take_action, parsed_args
        )
        self.assertIn(
            '--os-volume-api-version 3.33 or greater is required', str(exc)
        )


class TestBlockStorageResourceFilterShow(volume_fakes.TestVolume):
    def setUp(self):
        super().setUp()

        self.fake_resource_filter = _create_fake_resource_filter()
        self.volume_client.resource_filters.return_value = iter(
            [self.fake_resource_filter]
        )

        # Get the command object to test
        self.cmd = (
            block_storage_resource_filter.ShowBlockStorageResourceFilter(
                self.app, None
            )
        )

    def test_resource_filter_show(self):
        self.set_volume_api_version('3.33')

        arglist = [
            self.fake_resource_filter.resource,
        ]
        verifylist = [
            ('resource', self.fake_resource_filter.resource),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        expected_columns = ('Resource', 'Filters')
        expected_data = (
            self.fake_resource_filter.resource,
            format_columns.ListColumn(self.fake_resource_filter.filters),
        )
        columns, data = self.cmd.take_action(parsed_args)

        self.assertEqual(expected_columns, columns)
        self.assertEqual(expected_data, data)

        # checking if proper call was made to list clusters
        self.volume_client.resource_filters.assert_called_with(
            resource='volume'
        )

    def test_resource_filter_show_pre_v333(self):
        self.set_volume_api_version('3.32')

        arglist = [
            self.fake_resource_filter.resource,
        ]
        verifylist = [
            ('resource', self.fake_resource_filter.resource),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        exc = self.assertRaises(
            exceptions.CommandError, self.cmd.take_action, parsed_args
        )
        self.assertIn(
            '--os-volume-api-version 3.33 or greater is required', str(exc)
        )
