# All Rights Reserved 2020
#
#    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 copy
import operator
import uuid

from openstack.network.v2 import tap_flow as _tap_flow
from openstack.network.v2 import tap_service as _tap_service
from openstack.test import fakes as sdk_fakes
from osc_lib import utils as osc_utils
from osc_lib.utils import columns as column_util

from openstackclient.network.v2.taas import tap_flow as osc_tap_flow
from openstackclient.network.v2.taas import tap_service as osc_tap_service
from openstackclient.tests.unit.network.v2 import fakes as network_fakes


columns_long = tuple(
    col
    for col, _, listing_mode in osc_tap_flow._attr_map
    if listing_mode in (column_util.LIST_BOTH, column_util.LIST_LONG_ONLY)
)
headers_long = tuple(
    head
    for _, head, listing_mode in osc_tap_flow._attr_map
    if listing_mode in (column_util.LIST_BOTH, column_util.LIST_LONG_ONLY)
)
sorted_attr_map = sorted(osc_tap_flow._attr_map, key=operator.itemgetter(1))
sorted_columns = tuple(col for col, _, _ in sorted_attr_map)
sorted_headers = tuple(head for _, head, _ in sorted_attr_map)


def _get_data(attrs, columns=sorted_columns):
    return osc_utils.get_dict_properties(attrs, columns)


class TestCreateTapFlow(network_fakes.TestNetworkV2):
    columns = (
        'description',
        'direction',
        'id',
        'name',
        'project_id',
        'source_port',
        'status',
        'tap_service_id',
    )

    def setUp(self):
        super().setUp()
        self.cmd = osc_tap_flow.CreateTapFlow(self.app, None)

    def test_create_tap_flow(self):
        """Test Create Tap Flow."""
        fake_tap_service = sdk_fakes.generate_fake_resource(
            _tap_service.TapService
        )
        port_id = str(uuid.uuid4())
        fake_port = network_fakes.create_one_port(attrs={'id': port_id})
        fake_tap_flow = sdk_fakes.generate_fake_resource(
            _tap_flow.TapFlow,
            **{
                'source_port': port_id,
                'tap_service_id': fake_tap_service['id'],
                'direction': 'BOTH',
            },
        )
        self.network_client.create_tap_flow.return_value = fake_tap_flow
        self.network_client.find_port.return_value = fake_port
        self.network_client.find_tap_service.return_value = fake_tap_service
        arg_list = [
            '--name',
            fake_tap_flow['name'],
            '--port',
            fake_tap_flow['source_port'],
            '--tap-service',
            fake_tap_flow['tap_service_id'],
            '--direction',
            fake_tap_flow['direction'],
        ]

        verify_list = [
            ('name', fake_tap_flow['name']),
            ('port', fake_tap_flow['source_port']),
            ('tap_service', fake_tap_flow['tap_service_id']),
        ]

        parsed_args = self.check_parser(self.cmd, arg_list, verify_list)
        columns, data = self.cmd.take_action(parsed_args)
        self.network_client.create_tap_flow.assert_called_once_with(
            **{
                'name': fake_tap_flow['name'],
                'source_port': fake_tap_flow['source_port'],
                'tap_service_id': fake_tap_flow['tap_service_id'],
                'direction': fake_tap_flow['direction'],
            }
        )
        self.assertEqual(self.columns, columns)
        fake_data = _get_data(
            fake_tap_flow, osc_tap_service._get_columns(fake_tap_flow)[1]
        )
        self.assertEqual(fake_data, data)


class TestListTapFlow(network_fakes.TestNetworkV2):
    def setUp(self):
        super().setUp()
        self.cmd = osc_tap_flow.ListTapFlow(self.app, None)

    def test_list_tap_flows(self):
        """Test List Tap Flow."""
        fake_tap_flows = list(
            sdk_fakes.generate_fake_resources(_tap_flow.TapFlow, count=2)
        )
        self.network_client.tap_flows.return_value = fake_tap_flows
        arg_list = []
        verify_list = []

        parsed_args = self.check_parser(self.cmd, arg_list, verify_list)

        headers, data = self.cmd.take_action(parsed_args)

        self.network_client.tap_flows.assert_called_once()
        self.assertEqual(headers, list(headers_long))
        self.assertCountEqual(
            list(data),
            [
                _get_data(fake_tap_flow, columns_long)
                for fake_tap_flow in fake_tap_flows
            ],
        )


class TestDeleteTapFlow(network_fakes.TestNetworkV2):
    def setUp(self):
        super().setUp()
        self.network_client.find_tap_flow.side_effect = (
            lambda name_or_id, ignore_missing: _tap_flow.TapFlow(id=name_or_id)
        )
        self.cmd = osc_tap_flow.DeleteTapFlow(self.app, None)

    def test_delete_tap_flow(self):
        """Test Delete tap flow."""

        fake_tap_flow = sdk_fakes.generate_fake_resource(_tap_flow.TapFlow)
        arg_list = [
            fake_tap_flow['id'],
        ]
        verify_list = [
            (osc_tap_flow.TAP_FLOW, [fake_tap_flow['id']]),
        ]

        parsed_args = self.check_parser(self.cmd, arg_list, verify_list)

        result = self.cmd.take_action(parsed_args)

        self.network_client.delete_tap_flow.assert_called_once_with(
            fake_tap_flow['id']
        )
        self.assertIsNone(result)


class TestShowTapFlow(network_fakes.TestNetworkV2):
    columns = (
        'description',
        'direction',
        'id',
        'name',
        'project_id',
        'source_port',
        'status',
        'tap_service_id',
    )

    def setUp(self):
        super().setUp()
        self.network_client.find_tap_flow.side_effect = (
            lambda name_or_id, ignore_missing: _tap_flow.TapFlow(id=name_or_id)
        )
        self.cmd = osc_tap_flow.ShowTapFlow(self.app, None)

    def test_show_tap_flow(self):
        """Test Show tap flow."""
        fake_tap_flow = sdk_fakes.generate_fake_resource(_tap_flow.TapFlow)
        self.network_client.get_tap_flow.return_value = fake_tap_flow
        arg_list = [
            fake_tap_flow['id'],
        ]
        verify_list = [
            (osc_tap_flow.TAP_FLOW, fake_tap_flow['id']),
        ]

        parsed_args = self.check_parser(self.cmd, arg_list, verify_list)

        headers, data = self.cmd.take_action(parsed_args)

        self.network_client.get_tap_flow.assert_called_once_with(
            fake_tap_flow['id']
        )
        self.assertEqual(self.columns, headers)
        fake_data = _get_data(
            fake_tap_flow, osc_tap_service._get_columns(fake_tap_flow)[1]
        )
        self.assertEqual(fake_data, data)


class TestUpdateTapFlow(network_fakes.TestNetworkV2):
    _new_name = 'new_name'

    # NOTE(mtomaska): The Resource class from which TapFlow inherits from
    # returns duplicate `ID and `Name` keys.
    columns = (
        'Direction',
        'ID',
        'ID',
        'Name',
        'Name',
        'Status',
        'Tenant',
        'description',
        'location',
        'project_id',
        'source_port',
        'tap_service_id',
    )

    def setUp(self):
        super().setUp()
        self.cmd = osc_tap_flow.UpdateTapFlow(self.app, None)
        self.network_client.find_tap_flow.side_effect = (
            lambda name_or_id, ignore_missing: _tap_flow.TapFlow(id=name_or_id)
        )

    def test_update_tap_flow(self):
        """Test update tap service"""
        fake_tap_flow = sdk_fakes.generate_fake_resource(_tap_flow.TapFlow)
        new_tap_flow = copy.deepcopy(fake_tap_flow)
        new_tap_flow['name'] = self._new_name

        self.network_client.update_tap_flow.return_value = new_tap_flow

        arg_list = [
            fake_tap_flow['id'],
            '--name',
            self._new_name,
        ]
        verify_list = [('name', self._new_name)]

        parsed_args = self.check_parser(self.cmd, arg_list, verify_list)
        columns, data = self.cmd.take_action(parsed_args)
        attrs = {'name': self._new_name}

        self.network_client.update_tap_flow.assert_called_once_with(
            new_tap_flow['id'], **attrs
        )
        self.assertEqual(self.columns, columns)
        self.assertEqual(_get_data(new_tap_flow, self.columns), data)
