/**
 * 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.bugs;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.management.ObjectName;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.apache.activemq.store.jdbc.JDBCPersistenceAdapter;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class AMQ3445Test {

   private ConnectionFactory connectionFactory;
   private BrokerService broker;
   private String connectionUri;

   private final String queueName = "Consumer.MyApp.VirtualTopic.FOO";
   private final String topicName = "VirtualTopic.FOO";

   @Before
   public void startBroker() throws Exception {
      createBroker(true);
   }

   private void createBroker(boolean deleteMessages) throws Exception {
      broker = new BrokerService();
      broker.setDeleteAllMessagesOnStartup(deleteMessages);
      broker.setPersistenceAdapter(new JDBCPersistenceAdapter());
      broker.setAdvisorySupport(false);
      broker.addConnector("tcp://0.0.0.0:0");
      broker.start();
      broker.waitUntilStarted();
      connectionUri = broker.getTransportConnectors().get(0).getPublishableConnectString();
      connectionFactory = new ActiveMQConnectionFactory(connectionUri);
   }

   private void restartBroker() throws Exception {
      if (broker != null) {
         broker.stop();
         broker.waitUntilStopped();
      }

      createBroker(false);
   }

   @After
   public void tearDown() throws Exception {
      if (broker != null) {
         broker.stop();
         broker.waitUntilStopped();
      }
   }

   @Test
   public void testJDBCRetiansDestinationAfterRestart() throws Exception {

      broker.getAdminView().addQueue(queueName);
      broker.getAdminView().addTopic(topicName);

      assertTrue(findDestination(queueName, false));
      assertTrue(findDestination(topicName, true));

      QueueViewMBean queue = getProxyToQueueViewMBean();
      assertEquals(0, queue.getQueueSize());

      restartBroker();

      assertTrue(findDestination(queueName, false));
      queue = getProxyToQueueViewMBean();
      assertEquals(0, queue.getQueueSize());

      sendMessage();
      restartBroker();
      assertTrue(findDestination(queueName, false));

      queue = getProxyToQueueViewMBean();
      assertEquals(1, queue.getQueueSize());
      sendMessage();
      assertEquals(2, queue.getQueueSize());

      restartBroker();
      assertTrue(findDestination(queueName, false));
      queue = getProxyToQueueViewMBean();
      assertEquals(2, queue.getQueueSize());
   }

   private void sendMessage() throws Exception {
      Connection connection = connectionFactory.createConnection();
      Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
      MessageProducer producer = session.createProducer(session.createTopic(topicName));
      producer.setDeliveryMode(DeliveryMode.PERSISTENT);
      producer.send(session.createTextMessage("Testing"));
      producer.close();
      connection.close();
   }

   private QueueViewMBean getProxyToQueueViewMBean() throws Exception {
      ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq" + ":destinationType=Queue,destinationName=" + queueName + ",type=Broker,brokerName=localhost");
      QueueViewMBean proxy = (QueueViewMBean) broker.getManagementContext().newProxyInstance(queueViewMBeanName, QueueViewMBean.class, true);
      return proxy;
   }

   private boolean findDestination(String name, boolean topic) throws Exception {

      ObjectName[] destinations;

      if (topic) {
         destinations = broker.getAdminView().getTopics();
      }
      else {
         destinations = broker.getAdminView().getQueues();
      }

      for (ObjectName destination : destinations) {
         if (destination.toString().contains(name)) {
            return true;
         }
      }

      return false;
   }
}
