/*******************************************************************************
 * ============LICENSE_START========================================================================
 * ONAP : ccsdk feature sdnr wt
 * =================================================================================================
 * Copyright (C) 2019 highstreet technologies GmbH 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.ccsdk.features.sdnr.wt.devicemanager.impl.database;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.impl.util.InternalSeverity;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.Fault;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.FaultcurrentEntity;

public class FaultEntityManager {

    private static final Pattern pattern = Pattern.compile(".*\\[layerProtocol=(.*)\\]");

    /**
     * The leading indication for notification or events that are not in the
     * currentProblem data of the ONF Coremodel
     */
    private static final String NOCURRENTPROBLEMINDICATION = "#";

    /**
     * Specific problems are not moving into current problem list
     * @param problemName to be verified
     * @return true if problem is current
     */
    public static boolean isManagedAsCurrentProblem(String problemName) {
        return ! problemName.startsWith(NOCURRENTPROBLEMINDICATION);
    }

    public static boolean isManagedAsCurrentProblem(Fault problem) {
        return isManagedAsCurrentProblem(problem.getProblem());
    }

    /**
     * Specific problems are not moving into current problem list
     * @param fault to be verified
     * @return true if cleared indication
     */
    public static boolean isNoAlarmIndication(Fault fault) {
        InternalSeverity severity = InternalSeverity.valueOf(fault.getSeverity());
        return severity.isNoAlarmIndication();
    }

    /**
     * Create a specific ES id for the current log.
     * @return a string with the generated ES Id
     */
     public static String genSpecificEsId(String nodeName, String objectId, String problemName) {

        String uuId;

        Matcher matcher = pattern.matcher(objectId);
        if (matcher.matches() && matcher.groupCount() == 1) {
            uuId = matcher.group(1);
        } else {
            uuId = objectId;
        }

        StringBuffer strBuf = new StringBuffer();
        strBuf.append(nodeName);
        strBuf.append("/");
        strBuf.append(uuId);
        strBuf.append("/");
        strBuf.append(problemName);
        return strBuf.toString();
    }

    /**
     * Create Es id
     * @param fault used to create uuid for faultcurrent
     * @return String with Id
     */
    public static String genSpecificEsId(FaultcurrentEntity fault) {
        return genSpecificEsId(fault.getNodeId(), fault.getObjectId(), fault.getProblem());
    }
}