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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * Copyright (C) 2017 Huawei Technologies Co., Ltd. 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.apihandlerinfra.validation;

import org.onap.so.apihandlerinfra.Action;
import org.onap.so.apihandlerinfra.Actions;
import org.onap.so.exceptions.ValidationException;
import org.onap.so.serviceinstancebeans.CloudConfiguration;
import org.onap.so.serviceinstancebeans.ModelType;

public class CloudConfigurationValidation implements ValidationRule{
	public boolean empty(String s) {
		return (s == null || s.trim().isEmpty());
	}
	@Override
	public ValidationInformation validate(ValidationInformation info) throws ValidationException{
		CloudConfiguration cloudConfiguration = info.getSir().getRequestDetails().getCloudConfiguration();
		String requestScope = info.getRequestScope();
		int reqVersion = info.getReqVersion();
		Actions action = info.getAction();
		Boolean aLaCarteFlag = info.getALaCarteFlag();
	
	
		if(cloudConfiguration == null && reqVersion >= 5 && (aLaCarteFlag != null && aLaCarteFlag)){
			if((!requestScope.equalsIgnoreCase(ModelType.service.name()) && !requestScope.equalsIgnoreCase(ModelType.configuration.name())) &&
					(action == Action.createInstance || action == Action.deleteInstance || action == Action.updateInstance)){
				throw new ValidationException ("cloudConfiguration");
			}
			if((requestScope.equalsIgnoreCase(ModelType.vnf.name()) || requestScope.equalsIgnoreCase(ModelType.vfModule.name())) &&
					action == Action.replaceInstance){
				throw new ValidationException ("cloudConfiguration");
			}
			if(requestScope.equalsIgnoreCase(ModelType.configuration.name()) &&
					(action == Action.enablePort || action == Action.disablePort || action == Action.activateInstance || action == Action.deactivateInstance)){
				throw new ValidationException ("cloudConfiguration");
			}
			if(requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && (action == Action.deactivateAndCloudDelete || action == Action.scaleOut)){
				throw new ValidationException("cloudConfiguration");
			}
		}
		
		if (cloudConfiguration == null && ((aLaCarteFlag != null && !aLaCarteFlag) && requestScope.equalsIgnoreCase (ModelType.service.name ()) && reqVersion < 5)) {
			throw new ValidationException ("cloudConfiguration");
        }

        if (cloudConfiguration != null) {
        	if (empty (cloudConfiguration.getLcpCloudRegionId ())) {
        		throw new ValidationException ("lcpCloudRegionId");
        	}
        	if (empty (cloudConfiguration.getTenantId ()) && !(requestScope.equalsIgnoreCase(ModelType.configuration.name()))) {
        		throw new ValidationException ("tenantId");
        	}
       }
       return info;
	}
}