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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ================================================================================
 * 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.apihandlerinfra.tenantisolation.process;

import java.util.Optional;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpStatus;
import org.onap.aai.domain.yang.OperationalEnvironment;
import org.onap.so.apihandler.common.ErrorNumbers;
import org.onap.so.apihandlerinfra.exceptions.ApiException;
import org.onap.so.apihandlerinfra.exceptions.ValidateException;
import org.onap.so.apihandlerinfra.logging.ErrorLoggerInfo;
import org.onap.so.apihandlerinfra.tenantisolation.CloudOrchestrationRequest;
import org.onap.so.apihandlerinfra.tenantisolation.helpers.AAIClientHelper;
import org.onap.so.client.aai.entities.AAIResultWrapper;
import org.onap.so.logger.ErrorCode;
import org.onap.so.logger.MessageEnum;
import org.onap.so.requestsdb.RequestsDBHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class DeactivateVnfOperationalEnvironment {

	private static Logger logger = LoggerFactory.getLogger(DeactivateVnfOperationalEnvironment
		.class);
	
    @Autowired 
    private AAIClientHelper aaiHelper;
    @Autowired 
    private RequestsDBHelper requestDb;
	
	public void execute(String requestId, CloudOrchestrationRequest request) throws ApiException {
		String operationalEnvironmentId = request.getOperationalEnvironmentId();
		
		OperationalEnvironment aaiOpEnv = getAAIOperationalEnvironment(operationalEnvironmentId);
		if (aaiOpEnv != null) {
			String operationalEnvironmentStatus = aaiOpEnv.getOperationalEnvironmentStatus();
	
			if(StringUtils.isBlank(operationalEnvironmentStatus)) {
	            String error = "OperationalEnvironmentStatus is null on OperationalEnvironmentId: " + operationalEnvironmentId;
	            ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_GENERAL_EXCEPTION, ErrorCode.DataError).build();
	            throw new ValidateException.Builder(error, HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_DETAILED_SERVICE_ERROR)
	            							.errorInfo(errorLoggerInfo)
	            							.build();
			}
			
			if(operationalEnvironmentStatus.equalsIgnoreCase("ACTIVE")) {
	
				aaiOpEnv.setOperationalEnvironmentStatus("INACTIVE");
				aaiHelper.updateAaiOperationalEnvironment(operationalEnvironmentId, aaiOpEnv);
				
			} else if(!operationalEnvironmentStatus.equalsIgnoreCase("INACTIVE")) {
	            String error = "Invalid OperationalEnvironmentStatus on OperationalEnvironmentId: " + operationalEnvironmentId;
	            ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_GENERAL_EXCEPTION, ErrorCode.DataError).build();
	            ValidateException validateException = new ValidateException.Builder(error,
	                    HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_DETAILED_SERVICE_ERROR).errorInfo(errorLoggerInfo).build();
	            requestDb.updateInfraFailureCompletion(error, requestId, operationalEnvironmentId);
	            throw validateException;
			}
			
			requestDb.updateInfraSuccessCompletion("SUCCESSFULLY Deactivated OperationalEnvironment", requestId, operationalEnvironmentId);
		}
	}
	
	private OperationalEnvironment getAAIOperationalEnvironment(String operationalEnvironmentId) {
		AAIResultWrapper aaiResult = aaiHelper.getAaiOperationalEnvironment(operationalEnvironmentId);
		Optional<OperationalEnvironment> operationalEnvironmentOpt = aaiResult.asBean(OperationalEnvironment.class);
		return operationalEnvironmentOpt.isPresent() ? operationalEnvironmentOpt.get() : null;
	}
}