/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 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.network.tasks;

import java.util.Map;

import org.onap.so.adapters.nwrest.CreateNetworkRequest;
import org.onap.so.adapters.nwrest.CreateNetworkResponse;
import org.onap.so.bpmn.common.BuildingBlockExecution;
import org.onap.so.bpmn.servicedecomposition.bbobjects.L3Network;
import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
import org.onap.so.client.adapter.network.mapper.NetworkAdapterObjectMapper;
import org.onap.so.client.exception.ExceptionBuilder;
import org.onap.so.client.orchestration.NetworkAdapterResources;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class NetworkAdapterCreateTasks {
	
	@Autowired
	private ExtractPojosForBB extractPojosForBB;
	@Autowired
	private ExceptionBuilder exceptionUtil;
	@Autowired
	private NetworkAdapterObjectMapper networkAdapterObjectMapper;
	@Autowired
	private NetworkAdapterResources networkAdapterResources;
	
	public void createNetwork(BuildingBlockExecution execution) {
		execution.setVariable("networkAdapterCreateRollback", false);
		try {
			GeneralBuildingBlock gBBInput = execution.getGeneralBuildingBlock();
			
			ServiceInstance serviceInstance = extractPojosForBB.extractByKey(execution, ResourceKey.SERVICE_INSTANCE_ID);
			L3Network l3Network =  extractPojosForBB.extractByKey(execution, ResourceKey.NETWORK_ID);
     
			Map<String, String> userInput = gBBInput.getUserInput();
			String cloudRegionPo = execution.getVariable("cloudRegionPo");
			
			CreateNetworkRequest createNetworkRequest = networkAdapterObjectMapper.createNetworkRequestMapper(gBBInput.getRequestContext(), gBBInput.getCloudRegion(),  gBBInput.getOrchContext(), serviceInstance, l3Network, userInput, cloudRegionPo, gBBInput.getCustomer());
			
			execution.setVariable("networkAdapterRequest", createNetworkRequest);
		} catch (Exception ex) {
			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
		}
	}
	
	public void processResponseFromOpenstack(BuildingBlockExecution execution) {
		try {
			L3Network l3Network =  extractPojosForBB.extractByKey(execution, ResourceKey.NETWORK_ID);
			
			CreateNetworkResponse createNetworkResponse = execution.getVariable("createNetworkResponse");
			if(createNetworkResponse != null) {
				l3Network.setHeatStackId(createNetworkResponse.getNetworkStackId());
				if (createNetworkResponse.getNetworkCreated()){
					//setting rollback TRUE only if network was actually created (not a silent success OP)
					execution.setVariable("networkAdapterCreateRollback", true);
				}
			} else {
				throw new Exception("No response was sent back from NetworkAdapterRestV1 subflow.");
			}
		} catch (Exception ex) {
			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
		}
	}
	
	public void rollbackCreateNetwork(BuildingBlockExecution execution) {
		try {
			GeneralBuildingBlock gBBInput = execution.getGeneralBuildingBlock();
			
			ServiceInstance serviceInstance = extractPojosForBB.extractByKey(execution, ResourceKey.SERVICE_INSTANCE_ID);
			L3Network l3Network =  extractPojosForBB.extractByKey(execution, ResourceKey.NETWORK_ID);
			CreateNetworkResponse createNetworkResponse = execution.getVariable("createNetworkResponse");
     
			Map<String, String> userInput = gBBInput.getUserInput();
			String cloudRegionPo = execution.getVariable("cloudRegionPo");
			networkAdapterResources.rollbackCreateNetwork(gBBInput.getRequestContext(), gBBInput.getCloudRegion(),  gBBInput.getOrchContext(), serviceInstance, l3Network, userInput, cloudRegionPo, createNetworkResponse);
			
		} catch (Exception ex) {
			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
		}
	}
}