/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.so.bpmn.infrastructure.adapter.vnf.tasks;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNull;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.when;

import org.camunda.bpm.engine.delegate.BpmnError;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentMatchers;
import org.mockito.InjectMocks;
import org.onap.so.FileUtil;
import org.onap.so.bpmn.BaseTaskTest;
import org.onap.so.bpmn.common.BuildingBlockExecution;
import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VolumeGroup;
import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
import org.onap.so.bpmn.servicedecomposition.generalobjects.RequestContext;
import org.onap.so.client.exception.BBObjectNotFoundException;
import org.springframework.beans.factory.annotation.Autowired;

public class VnfAdapterImplTest extends BaseTaskTest {
	
	@InjectMocks
	private VnfAdapterImpl vnfAdapterImpl = new VnfAdapterImpl();

	private RequestContext requestContext;
	private ServiceInstance serviceInstance;
	private GenericVnf genericVnf;
	private VfModule vfModule;
    private VolumeGroup volumeGroup;
	
	private static final String VNF_ADAPTER_REST_DELETE_RESPONSE = FileUtil.readResourceFile("__files/VfModularity/VNFAdapterRestDeleteResponse.xml");
	private static final String VNF_ADAPTER_REST_CREATE_RESPONSE =  FileUtil.readResourceFile("__files/VfModularity/VNFAdapterRestCreateCallback.xml");
    private static final String VNF_ADAPTER_VOLUME_CREATE_RESPONSE =  FileUtil.readResourceFile("__files/VfModularity/CreateVfModuleVolumeCallbackResponse.xml");
    private static final String VNF_ADAPTER_VOLUME_DELETE_RESPONSE =  FileUtil.readResourceFile("__files/VfModularity/DeleteVfModuleVolumeCallbackResponse.xml");
	private static final String TEST_VFMODULE_HEATSTACK_ID = "slowburn";
    private static final String TEST_VOLUME_HEATSTACK_ID = "testHeatStackId1";
    private static final String TEST_CONTRAIL_SERVICE_INSTANCE_FQDN = "default-domain:MSOTest:MsoNW-RA";
    private static final String TEST_OAM_MANAGEMENT_V4_ADDRESS = "127.0.0.1";
    private static final String TEST_OAM_MANAGEMENT_V6_ADDRESS = "2000:abc:bce:1111";
    private static final String TEST_CONTRAIL_NETWORK_POLICY_FQDNS = "MSOTest:DefaultPolicyFQDN2,MSOTest:DefaultPolicyFQDN1";

	@Before
	public void before() throws BBObjectNotFoundException {
		requestContext = setRequestContext();
		serviceInstance = setServiceInstance();
		genericVnf = setGenericVnf();
		vfModule = setVfModule();
        volumeGroup = setVolumeGroup();
		vfModule.setHeatStackId(null);
		volumeGroup.setHeatStackId(null);
        doThrow(new BpmnError("BPMN Error")).when(exceptionUtil).buildAndThrowWorkflowException(any(BuildingBlockExecution.class), eq(7000), any(String.class));
        doThrow(new BpmnError("BPMN Error")).when(exceptionUtil).buildAndThrowWorkflowException(any(BuildingBlockExecution.class), eq(7000), any(Exception.class));
    	when(extractPojosForBB.extractByKey(any(),ArgumentMatchers.eq(ResourceKey.SERVICE_INSTANCE_ID), any())).thenReturn(serviceInstance);
    	when(extractPojosForBB.extractByKey(any(),ArgumentMatchers.eq(ResourceKey.VOLUME_GROUP_ID), any())).thenReturn(volumeGroup);
    	when(extractPojosForBB.extractByKey(any(),ArgumentMatchers.eq(ResourceKey.GENERIC_VNF_ID), any())).thenReturn(genericVnf);
    	when(extractPojosForBB.extractByKey(any(),ArgumentMatchers.eq(ResourceKey.VF_MODULE_ID), any())).thenReturn(vfModule);
	}

	@Test
	public void preProcessVnfAdapterTest() {
		vnfAdapterImpl.preProcessVnfAdapter(execution);

		assertEquals(requestContext.getMsoRequestId(), execution.getVariable("mso-request-id"));
		assertEquals(serviceInstance.getServiceInstanceId(), execution.getVariable("mso-service-instance-id"));
	}

	@Test
	public void postProcessVnfAdapter_CreateResponseTest() {
		execution.setVariable("vnfAdapterRestV1Response", VNF_ADAPTER_REST_CREATE_RESPONSE);
		vnfAdapterImpl.postProcessVnfAdapter(execution);		
		assertEquals(TEST_VFMODULE_HEATSTACK_ID, vfModule.getHeatStackId());
		assertEquals(TEST_CONTRAIL_SERVICE_INSTANCE_FQDN, vfModule.getContrailServiceInstanceFqdn());
		assertEquals(TEST_CONTRAIL_SERVICE_INSTANCE_FQDN, execution.getVariable("contrailServiceInstanceFqdn"));
		assertEquals(TEST_OAM_MANAGEMENT_V4_ADDRESS, genericVnf.getIpv4OamAddress());
		assertEquals(TEST_OAM_MANAGEMENT_V4_ADDRESS, execution.getVariable("oamManagementV4Address"));
		assertEquals(TEST_OAM_MANAGEMENT_V6_ADDRESS, genericVnf.getManagementV6Address());
		assertEquals(TEST_OAM_MANAGEMENT_V6_ADDRESS, execution.getVariable("oamManagementV6Address"));
		assertEquals(TEST_CONTRAIL_NETWORK_POLICY_FQDNS, execution.getVariable("contrailNetworkPolicyFqdnList"));		
	}
	

	@Test
	public void postProcessVnfAdapter_CreateResponseTest_EmptyCreateVfModuleResponseTag() {
        expectedException.expect(BpmnError.class);
		execution.setVariable("vnfAdapterRestV1Response", "<vfModuleStackId></vfModuleStackId>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
	}
	
	@Test
	public void postProcessVnfAdapter_CreateResponseTest_EmptyVfModuleStackIdTag() {
		execution.setVariable("vnfAdapterRestV1Response", "<createVfModuleResponse></createVfModuleResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(vfModule.getHeatStackId());
	}
	
	@Test
	public void postProcessVnfAdapter_CreateResponseTest_EmptyHeatStackId() {
		execution.setVariable("vnfAdapterRestV1Response", "<createVfModuleResponse><vfModuleStackId></vfModuleStackId></createVfModuleResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(vfModule.getHeatStackId());
	}
	
	@Test
	public void postProcessVnfAdapter_CreateResponseTest_EmptyVfModuleOutputs() {
		execution.setVariable("vnfAdapterRestV1Response", "<createVfModuleResponse><vfModuleOutputs></vfModuleOutputs></createVfModuleResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(vfModule.getHeatStackId());
		assertNull(vfModule.getContrailServiceInstanceFqdn());
		assertNull(execution.getVariable("contrailServiceInstanceFqdn"));
		assertNotEquals(TEST_OAM_MANAGEMENT_V4_ADDRESS, genericVnf.getIpv4OamAddress());		
		assertNull(execution.getVariable("oamManagementV4Address"));
		assertNull(genericVnf.getManagementV6Address());
		assertNull(execution.getVariable("oamManagementV6Address"));
		assertNull(execution.getVariable("contrailNetworkPolicyFqdnList"));
	}

	@Test
	public void postProcessVnfAdapter_DeleteResponseTest() {
		vfModule.setHeatStackId(TEST_VFMODULE_HEATSTACK_ID);
		execution.setVariable("vnfAdapterRestV1Response", VNF_ADAPTER_REST_DELETE_RESPONSE);
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(vfModule.getHeatStackId());
		assertEquals(vfModule.getContrailServiceInstanceFqdn(), "");
		assertEquals(execution.getVariable("contrailServiceInstanceFqdn"), "");
		assertEquals(genericVnf.getIpv4OamAddress(), "");
		assertEquals(execution.getVariable("oamManagementV4Address"), "");
		assertEquals(genericVnf.getManagementV6Address(), "");
		assertEquals(execution.getVariable("oamManagementV6Address"), "");				
		assertEquals(TEST_CONTRAIL_NETWORK_POLICY_FQDNS, execution.getVariable("contrailNetworkPolicyFqdnList"));
	}
	
	@Test
	public void postProcessVnfAdapter_DeleteResponseTest_EmptyVfModuleOutputs() {
		execution.setVariable("vnfAdapterRestV1Response", "<createVfModuleResponse><vfModuleOutputs></vfModuleOutputs></createVfModuleResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(vfModule.getHeatStackId());
		assertNull(vfModule.getContrailServiceInstanceFqdn());
		assertNull(execution.getVariable("contrailServiceInstanceFqdn"));				
		assertNull(execution.getVariable("oamManagementV4Address"));		
		assertNull(execution.getVariable("oamManagementV6Address"));
		assertNull(execution.getVariable("contrailNetworkPolicyFqdnList"));
	}
	
	@Test
	public void postProcessVnfAdapter_ResponseNullTest() {		
		execution.setVariable("vnfAdapterRestV1Response", null);
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(vfModule.getHeatStackId());
	}
	
	@Test
	public void postProcessVnfAdapter_ResponseEmptyTest() {
        execution.setVariable("vnfAdapterRestV1Response", "");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
        assertNull(vfModule.getHeatStackId());
	}
	
	@Test
	public void postProcessVnfAdapter_DeleteResponseTest_VfModuleDeletedFalse() {
		vfModule.setHeatStackId(TEST_VFMODULE_HEATSTACK_ID);
		execution.setVariable("vnfAdapterRestV1Response", "<deleteVfModuleResponse><vfModuleDeleted>false</vfModuleDeleted></deleteVfModuleResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertEquals(TEST_VFMODULE_HEATSTACK_ID, vfModule.getHeatStackId());
	}
	
	@Test
	public void postProcessVnfAdapter_DeleteResponseTest_EmptyDeleteVfModuleResponseTag() {
        expectedException.expect(BpmnError.class);
		execution.setVariable("vnfAdapterRestV1Response", "<vfModuleDeleted></vfModuleDeleted>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
	}
	
	@Test
	public void postProcessVnfAdapter_DeleteResponseTest_EmptyVfModuleDeletedTag() {
		vfModule.setHeatStackId(TEST_VFMODULE_HEATSTACK_ID);
		execution.setVariable("vnfAdapterRestV1Response", "<deleteVfModuleResponse></deleteVfModuleResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertEquals(TEST_VFMODULE_HEATSTACK_ID, vfModule.getHeatStackId());
	}

	@Test
	public void preProcessVnfAdapterExceptionTest() throws BBObjectNotFoundException {
		expectedException.expect(BpmnError.class);
		doThrow(RuntimeException.class).when(extractPojosForBB).extractByKey(any(),ArgumentMatchers.eq(ResourceKey.SERVICE_INSTANCE_ID), any());
		
		vnfAdapterImpl.preProcessVnfAdapter(execution);
	}

    @Test
    public void postProcessVnfAdapter_CreateVolumeResponseTest() {
        execution.setVariable("vnfAdapterRestV1Response", VNF_ADAPTER_VOLUME_CREATE_RESPONSE);
        vnfAdapterImpl.postProcessVnfAdapter(execution);
        assertEquals(TEST_VOLUME_HEATSTACK_ID, volumeGroup.getHeatStackId());
    }

    @Test
    public void postProcessVnfAdapter_CreateVolumeEmptyResponseTest()  {
        expectedException.expect(BpmnError.class);
        execution.setVariable("vnfAdapterRestV1Response", "<createVolumeGroupResponse></createVolumeGroupResponse>");
        vnfAdapterImpl.postProcessVnfAdapter(execution);
        assertNull(volumeGroup.getHeatStackId());
    }
    
    @Test
	public void postProcessVnfAdapter_DeleteResponseTest_DeleteVolumeGroup() {
    	volumeGroup.setHeatStackId(TEST_VOLUME_HEATSTACK_ID);
		execution.setVariable("vnfAdapterRestV1Response", VNF_ADAPTER_VOLUME_DELETE_RESPONSE);
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertNull(volumeGroup.getHeatStackId());
	}
	
    
    @Test
	public void postProcessVnfAdapter_DeleteResponseTest_VolumeGroupDeletedFalse() {
    	volumeGroup.setHeatStackId(TEST_VOLUME_HEATSTACK_ID);
		execution.setVariable("vnfAdapterRestV1Response", "<deleteVolumeGroupResponse><volumeGroupDeleted>false</volumeGroupDeleted></deleteVolumeGroupResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertEquals(TEST_VOLUME_HEATSTACK_ID, volumeGroup.getHeatStackId());		
	}
	
	@Test
	public void postProcessVnfAdapter_DeleteResponseTest_EmptyDeleteVolumeGroupResponseTag() {
        expectedException.expect(BpmnError.class);
		execution.setVariable("vnfAdapterRestV1Response", "<volumeGroupDeleted></volumeGroupDeleted>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);	
	}
	
	@Test
	public void postProcessVnfAdapter_DeleteResponseTest_EmptyVolumeGroupDeletedTag() {
		volumeGroup.setHeatStackId(TEST_VOLUME_HEATSTACK_ID);
		execution.setVariable("vnfAdapterRestV1Response", "<deleteVolumeGroupResponse></deleteVolumeGroupResponse>");
		vnfAdapterImpl.postProcessVnfAdapter(execution);
		assertEquals(TEST_VOLUME_HEATSTACK_ID, volumeGroup.getHeatStackId());
	}

	@Test
	public void postProcessVnfAdapterExceptionTest() throws BBObjectNotFoundException {	
		doThrow(RuntimeException.class).when(extractPojosForBB).extractByKey(any(),ArgumentMatchers.eq(ResourceKey.VF_MODULE_ID), any());

		execution.setVariable("vnfAdapterRestV1Response", VNF_ADAPTER_REST_CREATE_RESPONSE);
		expectedException.expect(BpmnError.class);
		
		vnfAdapterImpl.postProcessVnfAdapter(execution);
	}
}