/*
 * 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.artemis.jms.tests;

import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.QueueBrowser;
import javax.jms.Session;
import javax.jms.TextMessage;
import java.util.Enumeration;

import org.apache.activemq.artemis.jms.tests.util.ProxyAssertSupport;
import org.junit.After;
import org.junit.Test;

/**
 * Various use cases, added here while trying things or fixing forum issues.
 */
public class MiscellaneousTest extends JMSTestCase {
   // Constants -----------------------------------------------------

   // Static --------------------------------------------------------

   // Attributes ----------------------------------------------------

   // Constructors --------------------------------------------------

   @Override
   @After
   public void tearDown() throws Exception {
      removeAllMessages(queue1.getQueueName(), true);

      super.tearDown();
   }

   // Public --------------------------------------------------------

   @Test
   public void testBrowser() throws Exception {
      Connection conn = null;

      try {
         conn = createConnection();
         Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageProducer prod = session.createProducer(queue1);

         prod.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

         TextMessage m = session.createTextMessage("message one");

         prod.send(m);

         // Give the message time to reach the queue
         Thread.sleep(2000);

         QueueBrowser browser = session.createBrowser(queue1);

         Enumeration e = browser.getEnumeration();

         TextMessage bm = (TextMessage) e.nextElement();

         ProxyAssertSupport.assertEquals("message one", bm.getText());
      } finally {
         if (conn != null) {
            conn.close();
         }

         removeAllMessages(queue1.getQueueName(), true);
      }
   }

   /**
    * Test case for http://jira.jboss.org/jira/browse/JBMESSAGING-542
    */
   @Test
   public void testClosingConsumerFromMessageListenerAutoAck() throws Exception {
      Connection c = null;

      try {
         c = createConnection();
         Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageProducer prod = s.createProducer(queue1);
         Message m = s.createMessage();
         prod.send(m);
      } finally {
         if (c != null) {
            c.close();
         }
      }

      final Result result = new Result();
      Connection conn = createConnection();
      Session s = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
      final MessageConsumer cons = s.createConsumer(queue1);
      cons.setMessageListener(new MessageListener() {
         @Override
         public void onMessage(final Message m) {
            // close the connection on the same thread that processed the message
            try {
               cons.close();
               result.setSuccess();
            } catch (Exception e) {
               result.setFailure(e);
            }
         }
      });

      conn.start();

      result.waitForResult();

      ProxyAssertSupport.assertTrue(result.isSuccess());
      ProxyAssertSupport.assertNull(result.getFailure());

      // it's auto _ack so message *should not* be acked (auto ack acks after successfully completion of onMessage

      Thread.sleep(1000);
      assertRemainingMessages(1);

      conn.close();

   }

   /**
    * Test case for http://jira.jboss.org/jira/browse/JBMESSAGING-542
    */
   @Test
   public void testClosingConsumerFromMessageListenerTransacted() throws Exception {
      Connection c = null;

      try {
         c = createConnection();
         Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
         MessageProducer prod = s.createProducer(queue1);
         Message m = s.createMessage();
         prod.send(m);
      } finally {
         if (c != null) {
            c.close();
         }
      }

      final Result result = new Result();
      Connection conn = createConnection();
      Session s = conn.createSession(true, Session.SESSION_TRANSACTED);
      final MessageConsumer cons = s.createConsumer(queue1);
      cons.setMessageListener(new MessageListener() {
         @Override
         public void onMessage(final Message m) {
            // close the connection on the same thread that processed the message
            try {
               cons.close();
               result.setSuccess();
            } catch (Exception e) {
               result.setFailure(e);
            }
         }
      });

      conn.start();

      result.waitForResult();

      ProxyAssertSupport.assertTrue(result.isSuccess());
      ProxyAssertSupport.assertNull(result.getFailure());

      Thread.sleep(1000);
      assertRemainingMessages(1);

      conn.close();

   }

   // Test case for http://jira.jboss.com/jira/browse/JBMESSAGING-788
   @Test
   public void testGetDeliveriesForSession() throws Exception {
      Connection conn = null;

      try {
         conn = createConnection();

         Session session1 = conn.createSession(true, Session.SESSION_TRANSACTED);

         Session session2 = conn.createSession(true, Session.SESSION_TRANSACTED);

         MessageProducer prod = session2.createProducer(queue1);

         Message msg = session2.createMessage();

         prod.send(msg);

         session1.close();

         session2.commit();
      } finally {
         if (conn != null) {
            conn.close();
         }

         removeAllMessages(queue1.getQueueName(), true);
      }
   }

   // Package protected ---------------------------------------------

   // Protected -----------------------------------------------------

   // Private -------------------------------------------------------

   // Inner classes -------------------------------------------------

   private class Result {

      private boolean success;

      private Exception e;

      private boolean resultSet;

      private Result() {
         success = false;
         e = null;
      }

      public synchronized void setSuccess() {
         success = true;

         resultSet = true;

         notify();
      }

      public synchronized boolean isSuccess() {
         return success;
      }

      public synchronized void setFailure(final Exception e) {
         this.e = e;

         resultSet = true;

         notify();
      }

      public synchronized Exception getFailure() {
         return e;
      }

      public synchronized void waitForResult() throws Exception {
         while (!resultSet) {
            this.wait();
         }
      }
   }
}
