#    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 testtools
from testtools.matchers import HasLength

from ironicclient.tests.unit import utils
from ironicclient.v1 import conductor


CONDUCTOR1 = {'hostname': 'compute1.localdomain',
              'conductor_group': 'alpha-team',
              'alive': True,
              'drivers': ['ipmitool', 'fake-hardware'],
              }
CONDUCTOR2 = {'hostname': 'compute2.localdomain',
              'conductor_group': 'alpha-team',
              'alive': True,
              'drivers': ['ipmitool', 'fake-hardware'],
              }

fake_responses = {
    '/v1/conductors':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR1, CONDUCTOR2]}
        ),
    },
    '/v1/conductors/?detail=True':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR1, CONDUCTOR2]}
        ),
    },
    '/v1/conductors/?fields=hostname,alive':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR1]}
        ),
    },
    '/v1/conductors/%s' % CONDUCTOR1['hostname']:
    {
        'GET': (
            {},
            CONDUCTOR1,
        ),
    },
    '/v1/conductors/%s?fields=hostname,alive' % CONDUCTOR1['hostname']:
    {
        'GET': (
            {},
            CONDUCTOR1,
        ),
    },
}

fake_responses_pagination = {
    '/v1/conductors':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR1],
             "next": "http://127.0.0.1:6385/v1/conductors/?limit=1"}
        ),
    },
    '/v1/conductors/?limit=1':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR2]}
        ),
    },
    '/v1/conductors/?marker=%s' % CONDUCTOR1['hostname']:
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR2]}
        ),
    },
}

fake_responses_sorting = {
    '/v1/conductors/?sort_key=updated_at':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR2, CONDUCTOR1]}
        ),
    },
    '/v1/conductors/?sort_dir=desc':
    {
        'GET': (
            {},
            {"conductors": [CONDUCTOR2, CONDUCTOR1]}
        ),
    },
}


class ConductorManagerTest(testtools.TestCase):

    def setUp(self):
        super(ConductorManagerTest, self).setUp()
        self.api = utils.FakeAPI(fake_responses)
        self.mgr = conductor.ConductorManager(self.api)

    def test_conductor_list(self):
        conductors = self.mgr.list()
        expect = [
            ('GET', '/v1/conductors', {}, None),
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(2, len(conductors))

    def test_conductor_list_detail(self):
        conductors = self.mgr.list(detail=True)
        expect = [
            ('GET', '/v1/conductors/?detail=True', {}, None),
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(2, len(conductors))

    def test_conductor_list_limit(self):
        self.api = utils.FakeAPI(fake_responses_pagination)
        self.mgr = conductor.ConductorManager(self.api)
        conductors = self.mgr.list(limit=1)
        expect = [
            ('GET', '/v1/conductors/?limit=1', {}, None)
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertThat(conductors, HasLength(1))

    def test_conductor_list_marker(self):
        self.api = utils.FakeAPI(fake_responses_pagination)
        self.mgr = conductor.ConductorManager(self.api)
        conductors = self.mgr.list(marker=CONDUCTOR1['hostname'])
        expect = [
            ('GET', '/v1/conductors/?marker=%s' % CONDUCTOR1['hostname'],
             {}, None)
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertThat(conductors, HasLength(1))

    def test_conductor_list_pagination_no_limit(self):
        self.api = utils.FakeAPI(fake_responses_pagination)
        self.mgr = conductor.ConductorManager(self.api)
        conductors = self.mgr.list(limit=0)
        expect = [
            ('GET', '/v1/conductors', {}, None),
            ('GET', '/v1/conductors/?limit=1', {}, None)
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(2, len(conductors))

    def test_conductor_list_sort_key(self):
        self.api = utils.FakeAPI(fake_responses_sorting)
        self.mgr = conductor.ConductorManager(self.api)
        conductors = self.mgr.list(sort_key='updated_at')
        expect = [
            ('GET', '/v1/conductors/?sort_key=updated_at', {}, None)
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(2, len(conductors))

    def test_conductor_list_sort_dir(self):
        self.api = utils.FakeAPI(fake_responses_sorting)
        self.mgr = conductor.ConductorManager(self.api)
        conductors = self.mgr.list(sort_dir='desc')
        expect = [
            ('GET', '/v1/conductors/?sort_dir=desc', {}, None)
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(2, len(conductors))

    def test_conductor_list_fields(self):
        conductors = self.mgr.list(fields=['hostname', 'alive'])
        expect = [
            ('GET', '/v1/conductors/?fields=hostname,alive', {}, None),
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(1, len(conductors))

    def test_conductor_show(self):
        conductor = self.mgr.get(CONDUCTOR1['hostname'])
        expect = [
            ('GET', '/v1/conductors/%s' % CONDUCTOR1['hostname'], {}, None),
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(CONDUCTOR1['hostname'], conductor.hostname)

    def test_conductor_show_fields(self):
        conductor = self.mgr.get(CONDUCTOR1['hostname'],
                                 fields=['hostname', 'alive'])
        expect = [
            ('GET', '/v1/conductors/%s?fields=hostname,alive' %
             CONDUCTOR1['hostname'], {}, None),
        ]
        self.assertEqual(expect, self.api.calls)
        self.assertEqual(CONDUCTOR1['hostname'], conductor.hostname)