/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * 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.sdc.be.components.impl;

import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.config.ErrorConfiguration;
import org.openecomp.sdc.be.config.ErrorInfo;
import org.openecomp.sdc.be.config.ErrorInfo.ErrorInfoType;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.exception.OkResponseInfo;
import org.openecomp.sdc.exception.PolicyException;
import org.openecomp.sdc.exception.ResponseFormat;
import org.openecomp.sdc.exception.ServiceException;

public class ResponseFormatManager {

    private volatile static ResponseFormatManager instance;
    private static ConfigurationManager configurationManager;
    private static final Logger log = Logger.getLogger(ResponseFormatManager.class);

    public static ResponseFormatManager getInstance() {
        if (instance == null) {

            instance = init();
        }
        return instance;
    }

    private static synchronized ResponseFormatManager init() {
        if (instance == null) {
            instance = new ResponseFormatManager();
            configurationManager = ConfigurationManager.getConfigurationManager();
        }
        return instance;
    }

    public ResponseFormat getResponseFormat(ActionStatus responseEnum, String... variables) {
        ErrorConfiguration errorConfiguration = configurationManager.getErrorConfiguration();
        ErrorInfo errorInfo = errorConfiguration.getErrorInfo(responseEnum.name());
        if (errorInfo == null) {
            log.debug("failed to locate {} in error configuration", responseEnum);
            errorInfo = errorConfiguration.getErrorInfo(ActionStatus.GENERAL_ERROR.name());
        }
        ResponseFormat errorResponseWrapper = new ResponseFormat(errorInfo.getCode());
        String errorMessage = errorInfo.getMessage();
        String errorMessageId = errorInfo.getMessageId();
        ErrorInfoType errorInfoType = errorInfo.getErrorInfoType();
        if (errorInfoType.equals(ErrorInfoType.SERVICE_EXCEPTION)) {
            errorResponseWrapper.setServiceException(new ServiceException(errorMessageId, errorMessage, variables));
        } else if (errorInfoType.equals(ErrorInfoType.POLICY_EXCEPTION)) {
            errorResponseWrapper.setPolicyException(new PolicyException(errorMessageId, errorMessage, variables));
        } else if (errorInfoType.equals(ErrorInfoType.OK)) {
            errorResponseWrapper.setOkResponseInfo(new OkResponseInfo(errorMessageId, errorMessage, variables));
        }
        return errorResponseWrapper;
    }
}