/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.activemq.broker.virtual;

import java.util.Vector;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;

import junit.framework.Test;

import org.apache.activemq.EmbeddedBrokerTestSupport;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.spring.ConsumerBean;

/**
 *
 *
 */
public class VirtualTopicPubSubTest extends EmbeddedBrokerTestSupport {

   private Vector<Connection> connections = new Vector<Connection>();
   public int ackMode = Session.AUTO_ACKNOWLEDGE;

   public static Test suite() {
      return suite(VirtualTopicPubSubTest.class);
   }

   public void initCombosForTestVirtualTopicCreation() {
      addCombinationValues("ackMode", new Object[]{new Integer(Session.AUTO_ACKNOWLEDGE), new Integer(Session.CLIENT_ACKNOWLEDGE)});
   }

   private boolean doneTwice = false;

   public void testVirtualTopicCreation() throws Exception {
      doTestVirtualTopicCreation(10);
   }

   public void doTestVirtualTopicCreation(int total) throws Exception {

      ConsumerBean messageList = new ConsumerBean() {
         public synchronized void onMessage(Message message) {
            super.onMessage(message);
            if (ackMode == Session.CLIENT_ACKNOWLEDGE) {
               try {
                  message.acknowledge();
               }
               catch (JMSException e) {
                  e.printStackTrace();
               }
            }

         }
      };
      messageList.setVerbose(true);

      String queueAName = getVirtualTopicConsumerName();
      // create consumer 'cluster'
      ActiveMQQueue queue1 = new ActiveMQQueue(queueAName);
      ActiveMQQueue queue2 = new ActiveMQQueue(queueAName);

      Session session = createStartAndTrackConnection().createSession(false, ackMode);
      MessageConsumer c1 = session.createConsumer(queue1);

      session = createStartAndTrackConnection().createSession(false, ackMode);
      MessageConsumer c2 = session.createConsumer(queue2);

      c1.setMessageListener(messageList);
      c2.setMessageListener(messageList);

      // create topic producer
      Session producerSession = createStartAndTrackConnection().createSession(false, ackMode);
      MessageProducer producer = producerSession.createProducer(new ActiveMQTopic(getVirtualTopicName()));
      assertNotNull(producer);

      for (int i = 0; i < total; i++) {
         producer.send(producerSession.createTextMessage("message: " + i));
      }

      messageList.assertMessagesArrived(total);

      // do twice so we confirm messages do not get redelivered after client acknowledgement
      if (doneTwice == false) {
         doneTwice = true;
         doTestVirtualTopicCreation(0);
      }
   }

   private Connection createStartAndTrackConnection() throws Exception {
      Connection connection = createConnection();
      connection.start();
      connections.add(connection);
      return connection;
   }

   protected String getVirtualTopicName() {
      return "VirtualTopic.TEST";
   }

   protected String getVirtualTopicConsumerName() {
      return "Consumer.A.VirtualTopic.TEST";
   }

   protected void tearDown() throws Exception {
      for (Connection connection : connections) {
         connection.close();
      }
      super.tearDown();
   }
}
