# Copyright (c) 2017-2018 Wind River Systems, Inc.
#
# 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 unittest
import json
from django.test import Client
# from rest_framework import status

from django.core.cache import cache
from common.msapi import extsys

from titanium_cloud.vesagent import tasks
from titanium_cloud.vesagent.event_domain import fault_vm

MOCK_VIM_INFO = {
    "createTime": "2017-04-01 02:22:27",
    "domain": "Default",
    "name": "TiS_R4",
    "password": "admin",
    "tenant": "admin",
    "type": "openstack",
    "url": "http://128.224.180.14:5000/v3",
    "userName": "admin",
    "vendor": "WindRiver",
    "version": "newton",
    "vimId": "windriver-hudson-dc_RegionOne",
    'cloud_owner': 'windriver-hudson-dc',
    'cloud_region_id': 'RegionOne',
    'cloud_extra_info':
        '{"vesagent_config":{"backlogs":[{"source":"onap-aaf","domain":"fault","type":"vm","tenant":"VIM"}],"poll_interval_default":10,"ves_subscription":{"username":"user","password":"password","endpoint":"http://127.0.0.1:9005/sample"}}}',
    'insecure': 'True',
}

COUNT_TIME_SLOT1 = (1, 1)
COUNT_TIME_SLOT2 = (0, 1)


class VesTaskTest(unittest.TestCase):
    def setUp(self):
        self.client = Client()

    def tearDown(self):
        pass

    @mock.patch.object(tasks, 'processBacklogs')
    @mock.patch.object(extsys, 'get_vim_by_id')
    def test_tasks_scheduleBacklogs(self, mock_get_vim_by_id, mock_processBacklogs):
        mock_get_vim_by_id.return_value = MOCK_VIM_INFO
        mock_processBacklogs.side_effect = [
            COUNT_TIME_SLOT1,
            COUNT_TIME_SLOT2
        ]
        result = tasks.scheduleBacklogs(vimid="windriver-hudson-dc_RegionOne")
        self.assertEquals(None, result)

    @mock.patch.object(tasks, 'processBacklogsOfOneVIM')
    @mock.patch.object(cache, 'get')
    def test_tasks_processBacklogs(
            self, mock_cache_get, mock_tasks_processBacklogsOfOneVIM):
        mock_VesAgentBacklogs_vimlist = ["windriver-hudson-dc_RegionOne"]
        COUNT_TIME_SLOT_ONE_VIM = (1, 1)
        mock_tasks_processBacklogsOfOneVIM.return_value = COUNT_TIME_SLOT_ONE_VIM
        mock_cache_get.side_effect = [
            json.dumps(mock_VesAgentBacklogs_vimlist),
        ]
        result = tasks.processBacklogs()
        self.assertEquals(COUNT_TIME_SLOT_ONE_VIM, result)

    @mock.patch.object(tasks, 'processOneBacklog')
    @mock.patch.object(cache, 'set')
    @mock.patch.object(cache, 'get')
    def test_tasks_processBacklogsOfOneVIM(
            self, mock_cache_get, mock_cache_set, mock_tasks_processOneBacklog):
        # mock_VesAgentBacklogs_vimlist = ["windriver-hudson-dc_RegionOne"]
        mock_vesagent_config = {
            "backlogs":
                [{"backlog_uuid": "ce2d7597-22e1-4239-890f-bc303bd67076",
                  "server_id": "c4b575fa-ed85-4642-ab4b-335cb5744721",
                  "tenant_id": "0e148b76ee8c42f78d37013bf6b7b1ae", "api_method": "GET",
                  "source": "onap-aaf",
                  "api_link":
                      "/onaplab_RegionOne/compute/v2.1/0e148b76ee8c42f78d37013bf6b7b1ae/servers/c4b575fa-ed85-4642-ab4b-335cb5744721",
                  "domain": "fault", "type": "vm", "tenant": "VIM"}],
            "poll_interval_default": 10, "vimid": "onaplab_RegionOne",
            "subscription": {"username": "user", "password": "password",
                             "endpoint": "http://127.0.0.1:9005/sample"}}
        mock_cache_get.side_effect = [
            json.dumps(mock_vesagent_config),
            json.dumps({})
        ]
        mock_tasks_processOneBacklog.return_value = (1, 11)
        mock_cache_set.return_value = "mocked cache set"
        result = tasks.processBacklogsOfOneVIM(vimid="windriver-hudson-dc_RegionOne")
        COUNT_TIME_SLOT = (1, 10)
        self.assertEquals(COUNT_TIME_SLOT, result)

    @mock.patch.object(fault_vm, 'processBacklog_fault_vm')
    def test_tasks_processOneBacklog(
            self, mock_fault_vm_processBacklog_fault_vm):
        mock_fault_vm_processBacklog_fault_vm.return_value = None
        vesagent_config = {
            "backlogs":
                [{"backlog_uuid": "ce2d7597-22e1-4239-890f-bc303bd67076",
                  "server_id": "c4b575fa-ed85-4642-ab4b-335cb5744721",
                  "tenant_id": "0e148b76ee8c42f78d37013bf6b7b1ae", "api_method": "GET",
                  "source": "onap-aaf",
                  "api_link":
                      "/onaplab_RegionOne/compute/v2.1/0e148b76ee8c42f78d37013bf6b7b1ae/servers/c4b575fa-ed85-4642-ab4b-335cb5744721",
                  "domain": "fault", "type": "vm", "tenant": "VIM"}],
            "poll_interval_default": 10, "vimid": "onaplab_RegionOne",
            "subscription": {"username": "user", "password": "password",
                             "endpoint": "http://127.0.0.1:9005/sample"}}

        vesagent_onebacklog = {
            "backlog_uuid": "ce2d7597-22e1-4239-890f-bc303bd67076",
            "poll_interval": 10,
            "server_id": "c4b575fa-ed85-4642-ab4b-335cb5744721",
            "tenant_id": "0e148b76ee8c42f78d37013bf6b7b1ae", "api_method": "GET",
            "source": "onap-aaf",
            "api_link": "/onaplab_RegionOne/compute/v2.1/0e148b76ee8c42f78d37013bf6b7b1ae/servers/c4b575fa-ed85-4642-ab4b-335cb5744721",
            "domain": "fault", "type": "vm", "tenant": "VIM"
        }

        result = tasks.processOneBacklog(
            vesAgentConfig=vesagent_config,
            vesAgentState={},
            poll_interval_default=10,
            oneBacklog=vesagent_onebacklog)
        COUNT_TIME_SLOT = (1, 10)
        self.assertEquals(COUNT_TIME_SLOT, result)