/*
 * 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.tests.integration.cluster.failover;

import java.util.concurrent.TimeUnit;

import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.api.core.TransportConfiguration;
import org.apache.activemq.artemis.api.core.client.ClientConsumer;
import org.apache.activemq.artemis.api.core.client.ClientMessage;
import org.apache.activemq.artemis.api.core.client.ClientProducer;
import org.apache.activemq.artemis.api.core.client.ClientSession;
import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
import org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryInternal;
import org.apache.activemq.artemis.core.client.impl.ServerLocatorInternal;
import org.apache.activemq.artemis.core.config.ha.SharedStoreMasterPolicyConfiguration;
import org.apache.activemq.artemis.core.config.ha.SharedStoreSlavePolicyConfiguration;
import org.apache.activemq.artemis.core.server.impl.InVMNodeManager;
import org.apache.activemq.artemis.jms.client.ActiveMQTextMessage;
import org.apache.activemq.artemis.tests.integration.cluster.util.TestableServer;
import org.apache.activemq.artemis.tests.util.CountDownSessionFailureListener;
import org.apache.activemq.artemis.tests.util.TransportConfigurationUtils;
import org.junit.Before;
import org.junit.Test;

public class FailBackManualTest extends FailoverTestBase {

   private ServerLocatorInternal locator;

   @Override
   @Before
   public void setUp() throws Exception {
      super.setUp();
      locator = getServerLocator();
   }

   @Test
   public void testNoAutoFailback() throws Exception {
      locator.setBlockOnNonDurableSend(true).setBlockOnDurableSend(true).setFailoverOnInitialConnection(true).setReconnectAttempts(15);

      ClientSessionFactoryInternal sf = createSessionFactoryAndWaitForTopology(locator, 2);

      ClientSession session = sendAndConsume(sf, true);

      CountDownSessionFailureListener listener = new CountDownSessionFailureListener(1, session);

      session.addFailureListener(listener);

      backupServer.stop();

      liveServer.crash();

      backupServer.start();

      assertTrue(listener.getLatch().await(5, TimeUnit.SECONDS));

      ClientProducer producer = session.createProducer(ADDRESS);

      ClientMessage message = session.createMessage(true);

      setBody(0, message);

      producer.send(message);

      session.removeFailureListener(listener);

      Thread t = new Thread(new ServerStarter(liveServer));

      t.start();

      waitForRemoteBackup(sf, 10, false, backupServer.getServer());

      assertTrue(backupServer.isStarted());

      backupServer.crash();

      waitForServerToStart(liveServer.getServer());

      assertTrue(liveServer.isStarted());

      sf.close();

      assertEquals(0, sf.numSessions());

      assertEquals(0, sf.numConnections());
   }

   @Override
   protected void createConfigs() throws Exception {
      nodeManager = new InVMNodeManager(false);
      TransportConfiguration liveConnector = getConnectorTransportConfiguration(true);
      TransportConfiguration backupConnector = getConnectorTransportConfiguration(false);

      backupConfig = super.createDefaultInVMConfig().clearAcceptorConfigurations().addAcceptorConfiguration(getAcceptorTransportConfiguration(false)).setHAPolicyConfiguration(new SharedStoreSlavePolicyConfiguration().setAllowFailBack(false)).addConnectorConfiguration(liveConnector.getName(), liveConnector).addConnectorConfiguration(backupConnector.getName(), backupConnector).addClusterConfiguration(basicClusterConnectionConfig(backupConnector.getName(), liveConnector.getName()));

      backupServer = createTestableServer(backupConfig);

      liveConfig = super.createDefaultInVMConfig().clearAcceptorConfigurations().addAcceptorConfiguration(getAcceptorTransportConfiguration(true)).setHAPolicyConfiguration(new SharedStoreMasterPolicyConfiguration()).addConnectorConfiguration(liveConnector.getName(), liveConnector).addConnectorConfiguration(backupConnector.getName(), backupConnector).addClusterConfiguration(basicClusterConnectionConfig(liveConnector.getName(), backupConnector.getName()));

      liveServer = createTestableServer(liveConfig);
   }

   @Override
   protected TransportConfiguration getAcceptorTransportConfiguration(final boolean live) {
      return TransportConfigurationUtils.getInVMAcceptor(live);
   }

   @Override
   protected TransportConfiguration getConnectorTransportConfiguration(final boolean live) {
      return TransportConfigurationUtils.getInVMConnector(live);
   }

   private ClientSession sendAndConsume(final ClientSessionFactory sf, final boolean createQueue) throws Exception {
      ClientSession session = sf.createSession(false, true, true);

      if (createQueue) {
         session.createQueue(ADDRESS, ADDRESS, null, false);
      }

      ClientProducer producer = session.createProducer(ADDRESS);

      final int numMessages = 1000;

      for (int i = 0; i < numMessages; i++) {
         ClientMessage message = session.createMessage(ActiveMQTextMessage.TYPE, false, 0, System.currentTimeMillis(), (byte) 1);
         message.putIntProperty(new SimpleString("count"), i);
         message.getBodyBuffer().writeString("aardvarks");
         producer.send(message);
      }

      ClientConsumer consumer = session.createConsumer(ADDRESS);

      session.start();

      for (int i = 0; i < numMessages; i++) {
         ClientMessage message2 = consumer.receive();

         assertEquals("aardvarks", message2.getBodyBuffer().readString());

         assertEquals(i, message2.getObjectProperty(new SimpleString("count")));

         message2.acknowledge();
      }

      ClientMessage message3 = consumer.receiveImmediate();

      assertNull(message3);

      return session;
   }

   /**
    * @param i
    * @param message
    * @throws Exception
    */
   @Override
   protected void setBody(final int i, final ClientMessage message) {
      message.getBodyBuffer().writeString("message" + i);
   }

   static class ServerStarter implements Runnable {

      private final TestableServer server;

      ServerStarter(TestableServer server) {
         this.server = server;
      }

      @Override
      public void run() {
         try {
            server.start();
         } catch (Exception e) {
            e.printStackTrace();
         }
      }
   }
}
