# 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 mock
import six
from webob import exc

from oslo_serialization import jsonutils

from senlin.api.common import util
from senlin.api.middleware import fault
from senlin.api.openstack.v1 import actions
from senlin.common import exception as senlin_exc
from senlin.common import policy
from senlin.rpc import client as rpc_client
from senlin.tests.unit.api import shared
from senlin.tests.unit.common import base


@mock.patch.object(policy, 'enforce')
class ActionControllerTest(shared.ControllerTest, base.SenlinTestCase):
    """Tests the API class which acts as the WSGI controller."""

    def setUp(self):
        super(ActionControllerTest, self).setUp()

        # Create WSGI controller instance
        class DummyConfig(object):
            bind_port = 8778

        cfgopts = DummyConfig()
        self.controller = actions.ActionController(options=cfgopts)

    @mock.patch.object(util, 'parse_request')
    @mock.patch.object(rpc_client.EngineClient, 'call')
    def test_action_index(self, mock_call, mock_parse, mock_enforce):
        self._mock_enforce_setup(mock_enforce, 'index', True)
        req = self._get('/actions')

        engine_resp = [
            {
                'action': 'NODE_CREATE',
                'cause': 'RPC_Request',
                'depended_by': [],
                'depends_on': [],
                'end_time': 1425555000.0,
                'id': '2366d400-c7e3-4961-09254-6d1c3f7ac167',
                'inputs': {},
                'interval': -1,
                'name': 'node_create_0df0931b',
                'outputs': {},
                'owner': None,
                'start_time': 1425550000.0,
                'status': 'SUCCEEDED',
                'status_reason': 'Action completed successfully.',
                'target': '0df0931b-e251-4f2e-8719-4effda3627ba',
                'timeout': 3600
            }
        ]

        mock_call.return_value = engine_resp
        obj = mock.Mock()
        mock_parse.return_value = obj

        result = self.controller.index(req)

        self.assertEqual(engine_resp, result['actions'])
        mock_parse.assert_called_once_with(
            'ActionListRequest', req, {'project_safe': True})
        mock_call.assert_called_once_with(
            req.context, 'action_list', obj)

    @mock.patch.object(util, 'parse_request')
    @mock.patch.object(rpc_client.EngineClient, 'call')
    def test_action_index_whitelists_params(self, mock_call,
                                            mock_parse, mock_enforce):
        self._mock_enforce_setup(mock_enforce, 'index', True)
        marker_uuid = '8216a86c-1bdc-442e-b493-329385d37cbc'
        params = {
            'name': 'NODE_CREATE',
            'status': 'SUCCEEDED',
            'limit': 10,
            'marker': marker_uuid,
            'sort': 'status',
            'global_project': True,
        }
        req = self._get('/actions', params=params)

        mock_call.return_value = []
        obj = mock.Mock()
        mock_parse.return_value = obj

        result = self.controller.index(req)

        self.assertEqual([], result['actions'])
        mock_parse.assert_called_once_with(
            'ActionListRequest', req,
            {
                'status': ['SUCCEEDED'],
                'sort': 'status',
                'name': ['NODE_CREATE'],
                'limit': '10',
                'marker': marker_uuid,
                'project_safe': False
            })
        mock_call.assert_called_once_with(
            req.context, 'action_list', obj)

    @mock.patch.object(util, 'parse_request')
    @mock.patch.object(rpc_client.EngineClient, 'call')
    def test_action_index_whitelists_invalid_params(self, mock_call,
                                                    mock_parse,
                                                    mock_enforce):
        self._mock_enforce_setup(mock_enforce, 'index', True)
        params = {
            'balrog': 'you shall not pass!',
        }
        req = self._get('/actions', params=params)
        ex = self.assertRaises(exc.HTTPBadRequest,
                               self.controller.index, req)

        self.assertEqual("Invalid parameter balrog",
                         str(ex))
        self.assertFalse(mock_parse.called)
        self.assertFalse(mock_call.called)

    @mock.patch.object(util, 'parse_request')
    @mock.patch.object(rpc_client.EngineClient, 'call')
    def test_action_index_with_bad_schema(self, mock_call,
                                          mock_parse, mock_enforce):
        self._mock_enforce_setup(mock_enforce, 'index', True)
        params = {'status': 'fake'}
        req = self._get('/actions', params=params)

        mock_parse.side_effect = exc.HTTPBadRequest("bad param")
        ex = self.assertRaises(exc.HTTPBadRequest,
                               self.controller.index,
                               req)

        self.assertEqual("bad param", six.text_type(ex))
        mock_parse.assert_called_once_with(
            'ActionListRequest', req, mock.ANY)
        self.assertFalse(mock_call.called)

    @mock.patch.object(util, 'parse_request')
    @mock.patch.object(rpc_client.EngineClient, 'call')