/*
 * Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2021 Contributors to the Eclipse Foundation
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

/*
 * @(#)ServiceUtil.java	1.8 06/28/07
 */

package com.sun.messaging.jmq.jmsserver.management.util;

import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;

import com.sun.messaging.jmq.jmsserver.Globals;

import com.sun.messaging.jmq.jmsserver.service.ServiceManager;
import com.sun.messaging.jmq.jmsserver.data.handlers.admin.GetServicesHandler;
import com.sun.messaging.jmq.jmsserver.data.handlers.admin.PauseHandler;
import com.sun.messaging.jmq.util.admin.ServiceInfo;
import com.sun.messaging.jmq.util.admin.ConnectionInfo;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;

public class ServiceUtil {
    public static ServiceInfo getServiceInfo(String service) {
        ServiceInfo si = GetServicesHandler.getServiceInfo(service);

        return (si);
    }

    public static void pauseService(String service) throws BrokerException {
        PauseHandler.pauseService(true, service);
    }

    public static void resumeService(String service) throws BrokerException {
        PauseHandler.pauseService(false, service);
    }

    /*
     * Returns a List of service names that are visible to the outside
     */
    public static List getVisibleServiceNames() {

        ServiceManager sm = Globals.getServiceManager();
        List serviceNames = sm.getAllServiceNames();
        return (serviceNames);
    }

    /*
     * Returns an ArrayList of services (ServiceInfo) that are visible to the outside
     */
    public static List getVisibleServices() {

        List serviceNames = getVisibleServiceNames();
        Iterator iter = serviceNames.iterator();

        ArrayList al = new ArrayList();

        while (iter.hasNext()) {
            String service = (String) iter.next();
            /*
             * System.out.println("\t" + service);
             */
            ServiceInfo sInfo = GetServicesHandler.getServiceInfo(service);
            al.add(sInfo);
        }

        return (al);
    }

    public static int toExternalServiceState(int internalServiceState) {
        switch (internalServiceState) {
        case com.sun.messaging.jmq.util.ServiceState.RUNNING:
            return (com.sun.messaging.jms.management.server.ServiceState.RUNNING);

        case com.sun.messaging.jmq.util.ServiceState.PAUSED:
            return (com.sun.messaging.jms.management.server.ServiceState.PAUSED);

        case com.sun.messaging.jmq.util.ServiceState.QUIESCED:
            return (com.sun.messaging.jms.management.server.ServiceState.QUIESCED);

        default:
            return (com.sun.messaging.jms.management.server.ServiceState.UNKNOWN);
        }
    }

    public static int toInternalServiceState(int externalServiceState) {
        switch (externalServiceState) {
        case com.sun.messaging.jms.management.server.ServiceState.RUNNING:
            return (com.sun.messaging.jmq.util.ServiceState.RUNNING);

        case com.sun.messaging.jms.management.server.ServiceState.PAUSED:
            return (com.sun.messaging.jmq.util.ServiceState.PAUSED);

        case com.sun.messaging.jms.management.server.ServiceState.QUIESCED:
            return (com.sun.messaging.jmq.util.ServiceState.QUIESCED);

        default:
            return (com.sun.messaging.jmq.util.ServiceState.UNKNOWN);
        }
    }

    public static List getConsumerIDs(String service) {
        List consumerIDs = new ArrayList(), connections = ConnectionUtil.getConnectionInfoList(service);

        if ((connections == null) || (connections.size() == 0)) {
            return (consumerIDs);
        }

        Iterator itr = connections.iterator();
        while (itr.hasNext()) {
            ConnectionInfo cxnInfo = (ConnectionInfo) itr.next();
            long cxnID = cxnInfo.uuid;
            List oneCxnConsumerIDs = ConnectionUtil.getConsumerIDs(cxnID);

            consumerIDs.addAll(oneCxnConsumerIDs);
        }

        return (consumerIDs);
    }

    public static List getProducerIDs(String service) {
        List producerIDs = new ArrayList(), connections = ConnectionUtil.getConnectionInfoList(service);

        if ((connections == null) || (connections.size() == 0)) {
            return (producerIDs);
        }

        Iterator itr = connections.iterator();
        while (itr.hasNext()) {
            ConnectionInfo cxnInfo = (ConnectionInfo) itr.next();
            long cxnID = cxnInfo.uuid;
            List oneCxnProducerIDs = ConnectionUtil.getProducerIDs(cxnID);

            producerIDs.addAll(oneCxnProducerIDs);
        }

        return (producerIDs);
    }

}
