# # Copyright 2017 ZTE Corporation.
# #
# # 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 json
import uuid

import mock
from django.test import TestCase, Client
from rest_framework import status

from lcm.nf.vnfs.vnf_cancel.term_vnf import TermVnf
from lcm.pub.database.models import NfInstModel, JobStatusModel, VmInstModel, NetworkInstModel, SubNetworkInstModel, \
    PortInstModel, FlavourInstModel, StorageInstModel
from lcm.pub.utils import restcall
from lcm.pub.utils.jobutil import JobUtil
from lcm.pub.utils.timeutil import now_time
from lcm.pub.vimapi import api


class TestNFTerminate(TestCase):
    def setUp(self):
        self.client = Client()
        StorageInstModel.objects.create(storageid="1", vimid="1", resouceid="11", insttype=0, instid="1111",
                                        is_predefined=1)
        NetworkInstModel.objects.create(networkid='1', vimid='1', resouceid='1', name='pnet_network',
                                        is_predefined=1, tenant='admin', insttype=0, instid='1111')
        SubNetworkInstModel.objects.create(subnetworkid='1', vimid='1', resouceid='1', networkid='1',
                                           is_predefined=1, name='sub_pnet', tenant='admin', insttype=0, instid='1111')
        PortInstModel.objects.create(portid='1', networkid='1', subnetworkid='1', vimid='1', resouceid='1',
                                     is_predefined=1, name='aaa_pnet_cp', tenant='admin', insttype=0, instid='1111')
        FlavourInstModel.objects.create(flavourid="1", vimid="1", resouceid="11", instid="1111", is_predefined=1)
        VmInstModel.objects.create(vmid="1", vimid="1", resouceid="11", insttype=0, instid="1111", vmname="test_01",
                                   is_predefined=1, operationalstate=1)

    def tearDown(self):
        VmInstModel.objects.all().delete()
        NetworkInstModel.objects.all().delete()
        SubNetworkInstModel.objects.all().delete()
        PortInstModel.objects.all().delete()

    def assert_job_result(self, job_id, job_progress, job_detail):
        jobs = JobStatusModel.objects.filter(
            jobid=job_id,
            progress=job_progress,
            descp=job_detail)
        self.assertEqual(1, len(jobs))
    """
    def test_delete_vnf_identifier(self):
        NfInstModel.objects.create(nfinstid='1111', nf_name='2222', package_id='todo', version='', vendor='',
                                   netype='', vnfd_model='', status='NOT_INSTANTIATED', nf_desc='', vnfdid='',
                                   vnfSoftwareVersion='', vnfConfigurableProperties='todo',
                                   localizationLanguage='EN_US', create_time=now_time())
        response = self.client.delete("/openoapi/vnflcm/v1/vnf_instances/1111")
        self.failUnlessEqual(status.HTTP_204_NO_CONTENT, response.status_code)
        self.assertEqual(None, response.data)

    def test_delete_vnf_identifier_when_vnf_not_exist(self):
        response = self.client.delete("/openoapi/vnflcm/v1/vnf_instances/1111")
        self.failUnlessEqual(status.HTTP_500_INTERNAL_SERVER_ERROR, response.status_code)
        self.assertEqual("VnfInst(1111) does not exist", response.data["error"])

    def test_delete_vnf_identifier_when_status_check_failed(self):
        NfInstModel.objects.create(nfinstid='1111', nf_name='2222', package_id='todo', version='', vendor='',
                                   netype='', vnfd_model='', status='VNF_INSTANTIATED', nf_desc='', vnfdid='',
                                   vnfSoftwareVersion='', vnfConfigurableProperties='todo',
                                   localizationLanguage='EN_US', create_time=now_time())
        response = self.client.delete("/openoapi/vnflcm/v1/vnf_instances/1111")
        self.failUnlessEqual(status.HTTP_500_INTERNAL_SERVER_ERROR, response.status_code)
        self.assertEqual("Don't allow to delete vnf(status:[VNF_INSTANTIATED])", response.data["error"])

    @mock.patch.object(TermVnf, 'run')
    def test_terminate_vnf(self, mock_run):
        mock_run.re.return_value = None
        response = self.client.post("/openoapi/vnflcm/v1/vnf_instances/12/terminate", data={}, format='json')
        self.failUnlessEqual(status.HTTP_202_ACCEPTED, response.status_code)

    def test_terminate_vnf_when_inst_id_not_exist(self):
        data = {"terminationType": "GRACEFUL",
                "gracefulTerminationTimeout": 120}
        self.nf_inst_id = str(uuid.uuid4())
        self.job_id = JobUtil.create_job('NF', 'CREATE', self.nf_inst_id)
        JobUtil.add_job_status(self.job_id, 0, "INST_VNF_READY")
        TermVnf(data, nf_inst_id=self.nf_inst_id, job_id=self.job_id).run()
        self.assert_job_result(self.job_id, 255, "VnfInst(%s) does not exist" % self.nf_inst_id)

    @mock.patch.object(restcall, 'call_req')
    @mock.patch.object(api, 'call')
    def test_terminate_vnf_success(self, mock_call, mock_call_req):
        NfInstModel.objects.create(nfinstid='1111', nf_name='2222', package_id='todo', version='', vendor='',
                                   netype='', vnfd_model='', status='VNF_INSTANTIATED', nf_desc='', vnfdid='',
                                   vnfSoftwareVersion='', vnfConfigurableProperties='todo',
                                   localizationLanguage='EN_US', create_time=now_time())
        t1_apply_grant_result = [0, json.JSONEncoder().encode(
            {"vim": {"vimid": 'vimid_1', "accessinfo": {"tenant": 'tenantname_1'}}}), '200']
        t2_lcm_notify_result = [0, json.JSONEncoder().encode(''), '200']
        mock_call_req.side_effect = [t1_apply_grant_result, t2_lcm_notify_result]
        mock_call.return_value = None
        data = {"terminationType": "FORCEFUL",
                "gracefulTerminationTimeout": 120}
        self.nf_inst_id = '1111'
        self.job_id = JobUtil.create_job('NF', 'CREATE', self.nf_inst_id)
        JobUtil.add_job_status(self.job_id, 0, "INST_VNF_READY")
        TermVnf(data, nf_inst_id=self.nf_inst_id, job_id=self.job_id).run()
        self.assert_job_result(self.job_id, 100, "Terminate Vnf success.")
    """