# Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# Author: Kiall Mac Innes <kiall@hpe.com>
#
# 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 os

import oslotest.base
import yaml
from oslo_log import log as logging

from designate import objects
from designate.objects import adapters
from designate.tests import resources
from designate.utils import DEFAULT_MDNS_PORT

LOG = logging.getLogger(__name__)


class DesignateYAMLAdapterTest(oslotest.base.BaseTestCase):
    def test_yaml_parsing(self):
        file = os.path.join(resources.path, 'pools_yaml/pools.yaml')
        with open(file, 'r') as stream:
            xpools = yaml.safe_load(stream)

        for xpool in xpools:
            r_pool = adapters.DesignateAdapter.parse(
                'YAML', xpool, objects.Pool())
            self.assertEqual('default', r_pool.name)
            self.assertEqual('Default PowerDNS 4 Pool', r_pool.description)
            self.assertEqual(2, len(r_pool.ns_records))
            self.assertEqual(1, r_pool.ns_records[0].priority)
            self.assertEqual(2, r_pool.ns_records[1].priority)
            self.assertEqual(
                'ns1-1.example.org.', r_pool.ns_records[0].hostname)
            self.assertEqual(
                'ns1-2.example.org.', r_pool.ns_records[1].hostname)
            self.assertEqual(1, len(r_pool.targets))
            self.assertEqual('pdns4', r_pool.targets[0].type)
            self.assertEqual(
                'PowerDNS 4 Server', r_pool.targets[0].description)
            self.assertEqual(1, len(r_pool.targets[0].masters))
            self.assertEqual('192.0.2.1', r_pool.targets[0].masters[0].host)
            self.assertEqual(DEFAULT_MDNS_PORT,
                             r_pool.targets[0].masters[0].port)
            self.assertEqual(2, len(r_pool.targets[0].options))

            options = {}
            for option in r_pool.targets[0].options:
                options[option.key] = option.value

            self.assertEqual(options['api_endpoint'], 'http://192.0.2.1:8081')
            self.assertEqual(options['api_token'], 'api_key')

            self.assertEqual(1, len(r_pool.also_notifies))
            self.assertEqual('192.0.2.4', r_pool.also_notifies[0].host)
            self.assertEqual(53, r_pool.also_notifies[0].port)
            self.assertEqual(1, len(r_pool.attributes))
            self.assertEqual('type', r_pool.attributes[0].key)
            self.assertEqual('internal', r_pool.attributes[0].value)

    def test_yaml_rendering(self):
        pool_dict = {
            'also_notifies': [
                {
                    'host': u'192.0.2.4',
                    'pool_id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
                    'port': 53,
                }
            ],
            'attributes': [],
            'description': u'Default PowerDNS 4 Pool',
            'id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
            'name': u'default',
            'nameservers': [
                {
                    'host': u'192.0.2.2',
                    'pool_id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
                    'port': 53,
                },
                {
                    'host': u'192.0.2.3',
                    'pool_id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
                    'port': 53,
                }
            ],
            'ns_records': [
                {
                    'hostname': u'ns1-1.example.org.',
                    'pool_id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
                    'priority': 1,
                },
                {
                    'hostname': u'ns1-2.example.org.',
                    'pool_id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
                    'priority': 2,
                }
            ],
            'provisioner': u'UNMANAGED',
            'targets': [
                {
                    'description': u'PowerDNS 4 Server',
                    'masters': [
                        {
                            'host': u'192.0.2.1',
                            'pool_target_id': u'd567d569-2d69-41d5-828d-f7054bb10b5c',  # noqa
                            'port': DEFAULT_MDNS_PORT,
                        }
                    ],
                    'options': [
                        {
                            'key': u'api_endpoint',
                            'pool_target_id': u'd567d569-2d69-41d5-828d-f7054bb10b5c',  # noqa
                            'value': u'http://192.0.2.1:8081',  # noqa
                        },
                        {
                            'key': u'api_token',
                            'pool_target_id': u'd567d569-2d69-41d5-828d-f7054bb10b5c',  # noqa
                            'value': u'api_key',  # noqa
                        },
                    ],
                    'pool_id': u'cf2e8eab-76cd-4162-bf76-8aeee3556de0',
                    'type': u'pdns4',
                }
            ]
        }

        file = os.path.join(resources.path, 'pools_yaml/sample_output.yaml')
        with open(file, 'r') as stream:
            self.assertEqual(
                stream.read(),
                yaml.safe_dump(
                    adapters.DesignateAdapter.render(
                        'YAML', objects.PoolList.from_list([pool_dict])
                    ),
                    default_flow_style=False
                )
            )
