/*-
 * ============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.openecomp.mso.client.aai;

import java.util.List;
import java.util.Optional;

import org.openecomp.mso.client.aai.entities.AAIError;
import org.openecomp.mso.client.aai.entities.ServiceException;

public class AAIErrorFormatter {

	private final AAIError error;
	public AAIErrorFormatter(AAIError error) {
		this.error = error;
	}
	
	public String getMessage() {
		if (error.getRequestError() != null && 
			error.getRequestError().getServiceException() != null) {
			ServiceException serviceException = error.getRequestError().getServiceException();
			return this.fillInTemplate(serviceException.getText(), serviceException.getVariables());
		}
		
		return "no parsable error message found";
	}
	
	protected String fillInTemplate(String text, List<String> variables) {
		for (int i = 0; i < variables.size(); i++) {
			variables.set(i, this.format(variables.get(i), variables));
		}
		
		return format(text, variables);
	}
	
	protected String format(String s, List<String> variables) {
		return String.format(s.replaceAll("%(\\d+)", "%$1\\$s"), variables.toArray());
	}
}