# Copyright 2016 Internap.
#
# 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 uuid import uuid4

from hamcrest import assert_that
from hamcrest import equal_to
from hamcrest import has_entry
from hamcrest import has_item

from base_api_testcase import BaseApiTestCase


class ApiInstanceRebuildTest(BaseApiTestCase):
    def test_instance_rebuild(self):
        instance_create_query = "{url}/project/{project}/instance"
        project_id = "my_test_project_id"
        instance_id = str(uuid4())
        create_data = {'id': instance_id,
                       'created_at': '2016-01-01T18:30:00Z',
                       'name': 'integration_test_instance_FlavorA',
                       'flavor': 'FlavorA',
                       'os_type': 'Linux',
                       'os_distro': 'Ubuntu',
                       'os_version': '12.04'}

        response = self.almanachHelper.post(url=instance_create_query, data=create_data, project=project_id)

        assert_that(response.status_code, equal_to(201))

        update_instance_rebuild_query = "{url}/instance/{instance_id}/rebuild"
        rebuild_data = {
            'distro': 'Ubuntu',
            'version': '14.04',
            'os_type': 'Linux',
            'rebuild_date': '2016-01-01T18:40:00Z'
        }

        response = self.almanachHelper.put(url=update_instance_rebuild_query, data=rebuild_data,
                                           instance_id=instance_id)

        assert_that(response.status_code, equal_to(200))

        list_query = "{url}/project/{project}/instances?start={start}&end={end}"
        response = self.almanachHelper.get(url=list_query, project=project_id,
                                           start="2016-01-01 18:39:00.000", end="2016-01-01 18:41:00.000")

        assert_that(response.status_code, equal_to(200))
        assert_that(response.json(), has_item({'entity_id': instance_id,
                                               'end': None,
                                               'entity_type': 'instance',
                                               'flavor': create_data['flavor'],
                                               'last_event': '2016-01-01 18:40:00+00:00',
                                               'name': create_data['name'],
                                               'os': {
                                                   'distro': create_data['os_distro'],
                                                   'os_type': create_data['os_type'],
                                                   'version': rebuild_data['version']
                                               },
                                               'project_id': project_id,
                                               'start': '2016-01-01 18:40:00+00:00',
                                               'metadata': {}}))

    def test_instance_rebuild_bad_date_format(self):
        update_instance_rebuild_query = "{url}/instance/{instance_id}/rebuild"
        instance_id = str(uuid4())
        rebuild_data = {
            'distro': 'Ubuntu',
            'version': '14.04',
            'os_type': 'Linux',
            'rebuild_date': 'A_BAD_DATE'
        }
        response = self.almanachHelper.put(url=update_instance_rebuild_query, data=rebuild_data,
                                           instance_id=instance_id)
        assert_that(response.status_code, equal_to(400))
        assert_that(response.json(), has_entry(
            'error',
            'The provided date has an invalid format. Format should be of yyyy-mm-ddThh:mm:ss.msZ, '
            'ex: 2015-01-31T18:24:34.1523Z'
        ))

    def test_instance_rebuild_missing_param(self):
        update_instance_rebuild_query = "{url}/instance/{instance_id}/rebuild"
        instance_id = str(uuid4())
        rebuild_data = {
            'distro': 'Ubuntu',
            'os_type': 'Linux',
            'rebuild_date': 'A_BAD_DATE'
        }

        response = self.almanachHelper.put(url=update_instance_rebuild_query, data=rebuild_data,
                                           instance_id=instance_id)
        assert_that(response.status_code, equal_to(400))
        assert_that(response.json(), has_entry(
            "error",
            "The 'version' param is mandatory for the request you have made."
        ))
