/**
 * 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.ft;

import java.io.File;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;

import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.TextMessage;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.JmsTopicSendReceiveWithTwoConnectionsTest;
import org.apache.activemq.advisory.AdvisorySupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.xbean.BrokerFactoryBean;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;

/**
 * Test failover for Queues
 */
abstract public class QueueMasterSlaveTestSupport extends JmsTopicSendReceiveWithTwoConnectionsTest {

   private static final transient Logger LOG = LoggerFactory.getLogger(QueueMasterSlaveTestSupport.class);

   protected BrokerService master;
   protected AtomicReference<BrokerService> slave = new AtomicReference<BrokerService>();
   protected CountDownLatch slaveStarted = new CountDownLatch(1);
   protected int inflightMessageCount;
   protected int failureCount = 50;
   protected String uriString = "failover://(tcp://localhost:62001,tcp://localhost:62002)?randomize=false&useExponentialBackOff=false";

   @Override
   protected void setUp() throws Exception {
      setMaxTestTime(TimeUnit.MINUTES.toMillis(10));
      setAutoFail(true);
      if (System.getProperty("basedir") == null) {
         File file = new File(".");
         System.setProperty("basedir", file.getAbsolutePath());
      }
      super.messageCount = 500;
      failureCount = super.messageCount / 2;
      super.topic = isTopic();
      createMaster();
      createSlave();
      // wait for thing to connect
      Thread.sleep(1000);
      super.setUp();
   }

   protected String getSlaveXml() {
      return "org/apache/activemq/broker/ft/slave.xml";
   }

   protected String getMasterXml() {
      return "org/apache/activemq/broker/ft/master.xml";
   }

   @Override
   protected void tearDown() throws Exception {
      super.tearDown();
      master.stop();
      master.waitUntilStopped();
      slaveStarted.await(60, TimeUnit.SECONDS);
      BrokerService brokerService = slave.get();
      if (brokerService != null) {
         brokerService.stop();
      }
      master.stop();
   }

   @Override
   protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
      return new ActiveMQConnectionFactory(uriString);
   }

   @Override
   protected void messageSent() throws Exception {
      if (++inflightMessageCount == failureCount) {
         Thread.sleep(1000);
         LOG.error("MASTER STOPPED!@!!!!");
         master.stop();
      }
   }

   protected boolean isTopic() {
      return false;
   }

   protected void createMaster() throws Exception {
      BrokerFactoryBean brokerFactory = new BrokerFactoryBean(new ClassPathResource(getMasterXml()));
      brokerFactory.afterPropertiesSet();
      master = brokerFactory.getBroker();
      master.start();
   }

   protected void createSlave() throws Exception {
      BrokerFactoryBean brokerFactory = new BrokerFactoryBean(new ClassPathResource(getSlaveXml()));
      brokerFactory.afterPropertiesSet();
      BrokerService broker = brokerFactory.getBroker();
      broker.start();
      slave.set(broker);
      slaveStarted.countDown();
   }

   public void testVirtualTopicFailover() throws Exception {

      MessageConsumer qConsumer = session.createConsumer(new ActiveMQQueue("Consumer.A.VirtualTopic.TA1"));
      assertNull("No message there yet", qConsumer.receive(1000));
      qConsumer.close();
      assertTrue(!master.isSlave());
      master.stop();
      assertTrue("slave started", slaveStarted.await(60, TimeUnit.SECONDS));
      assertTrue(!slave.get().isSlave());

      final String text = "ForUWhenSlaveKicksIn";
      producer.send(new ActiveMQTopic("VirtualTopic.TA1"), session.createTextMessage(text));

      qConsumer = session.createConsumer(new ActiveMQQueue("Consumer.A.VirtualTopic.TA1"));

      javax.jms.Message message = qConsumer.receive(4000);
      assertNotNull("Get message after failover", message);
      assertEquals("correct message", text, ((TextMessage) message).getText());
   }

   public void testAdvisory() throws Exception {
      MessageConsumer advConsumer = session.createConsumer(AdvisorySupport.getMasterBrokerAdvisoryTopic());

      master.stop();
      assertTrue("slave started", slaveStarted.await(60, TimeUnit.SECONDS));
      LOG.info("slave started");
      Message advisoryMessage = advConsumer.receive(5000);
      LOG.info("received " + advisoryMessage);
      assertNotNull("Didn't received advisory", advisoryMessage);

   }
}
