/**
 * 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;

import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;

import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQDestination;

/**
 * Test cases used to test the JMS message consumer.
 */
public class JmsTestSupport extends CombinationTestSupport {

   static final private AtomicLong TEST_COUNTER = new AtomicLong();
   public String userName;
   public String password;
   public String messageTextPrefix = "";

   protected ConnectionFactory factory;
   protected ActiveMQConnection connection;
   protected BrokerService broker;

   protected List<Connection> connections = Collections.synchronizedList(new ArrayList<Connection>());

   // /////////////////////////////////////////////////////////////////
   //
   // Test support methods.
   //
   // /////////////////////////////////////////////////////////////////
   protected ActiveMQDestination createDestination(Session session, byte type) throws JMSException {
      String testMethod = getName();
      if (testMethod.indexOf(" ") > 0) {
         testMethod = testMethod.substring(0, testMethod.indexOf(" "));
      }
      String name = "TEST." + getClass().getName() + "." + testMethod + "." + TEST_COUNTER.getAndIncrement();
      switch (type) {
         case ActiveMQDestination.QUEUE_TYPE:
            return (ActiveMQDestination) session.createQueue(name);
         case ActiveMQDestination.TOPIC_TYPE:
            return (ActiveMQDestination) session.createTopic(name);
         case ActiveMQDestination.TEMP_QUEUE_TYPE:
            return (ActiveMQDestination) session.createTemporaryQueue();
         case ActiveMQDestination.TEMP_TOPIC_TYPE:
            return (ActiveMQDestination) session.createTemporaryTopic();
         default:
            throw new IllegalArgumentException("type: " + type);
      }
   }

   protected void sendMessages(Destination destination, int count) throws Exception {
      ConnectionFactory factory = createConnectionFactory();
      Connection connection = factory.createConnection();
      connection.start();
      sendMessages(connection, destination, count);
      connection.close();
   }

   protected void sendMessages(Connection connection, Destination destination, int count) throws JMSException {
      Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
      sendMessages(session, destination, count);
      session.close();
   }

   protected void sendMessages(Session session, Destination destination, int count) throws JMSException {
      MessageProducer producer = session.createProducer(destination);
      sendMessages(session, producer, count);
      producer.close();
   }

   protected void sendMessages(Session session, MessageProducer producer, int count) throws JMSException {
      for (int i = 0; i < count; i++) {
         producer.send(session.createTextMessage(messageTextPrefix + i));
      }
   }

   protected ConnectionFactory createConnectionFactory() throws Exception {
      return new ActiveMQConnectionFactory("tcp://localhost:61616");
   }

   protected BrokerService createBroker() throws Exception {
      return BrokerFactory.createBroker(new URI("broker://()/localhost?persistent=false"));
   }

   protected void setUp() throws Exception {
      super.setUp();

      if (System.getProperty("basedir") == null) {
         File file = new File(".");
         System.setProperty("basedir", file.getAbsolutePath());
      }

      broker = createBroker();
      broker.start();
      factory = createConnectionFactory();
      connection = (ActiveMQConnection) factory.createConnection(userName, password);
      connections.add(connection);
   }

   protected void tearDown() throws Exception {
      for (Iterator<Connection> iter = connections.iterator(); iter.hasNext(); ) {
         Connection conn = iter.next();
         try {
            conn.close();
         }
         catch (Throwable e) {
         }
         iter.remove();
      }
      broker.stop();
      super.tearDown();
   }

   protected void safeClose(Connection c) {
      try {
         c.close();
      }
      catch (Throwable e) {
      }
   }

   protected void safeClose(Session s) {
      try {
         s.close();
      }
      catch (Throwable e) {
      }
   }

   protected void safeClose(MessageConsumer c) {
      try {
         c.close();
      }
      catch (Throwable e) {
      }
   }

   protected void safeClose(MessageProducer p) {
      try {
         p.close();
      }
      catch (Throwable e) {
      }
   }

   protected void profilerPause(String prompt) throws IOException {
      if (System.getProperty("profiler") != null) {
         pause(prompt);
      }
   }

   protected void pause(String prompt) throws IOException {
      System.out.println();
      System.out.println(prompt + "> Press enter to continue: ");
      while (System.in.read() != '\n') {
      }
   }

}
