/**
 * 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.network;

import javax.jms.MessageProducer;
import javax.jms.TemporaryQueue;
import java.lang.reflect.Field;
import java.util.concurrent.CopyOnWriteArrayList;

import org.apache.activemq.advisory.AdvisorySupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnection;
import org.apache.activemq.broker.TransportConnector;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;

/**
 * @author <a href="http://www.christianposta.com/blog">Christian Posta</a>
 */
public class DynamicallyIncludedDestinationsDuplexNetworkTest extends SimpleNetworkTest {

   private static final int REMOTE_BROKER_TCP_PORT = 61617;

   @Override
   protected String getLocalBrokerURI() {
      return "org/apache/activemq/network/duplexDynamicIncludedDestLocalBroker.xml";
   }

   @Override
   protected BrokerService createRemoteBroker() throws Exception {
      BrokerService broker = new BrokerService();
      broker.setBrokerName("remoteBroker");
      broker.addConnector("tcp://localhost:" + REMOTE_BROKER_TCP_PORT);
      return broker;
   }

   // we have to override this, because with dynamicallyIncludedDestinations working properly
   // (see https://issues.apache.org/jira/browse/AMQ-4209) you can't get request/response
   // with temps working (there is no wild card like there is for staticallyIncludedDest)
   //
   @Override
   public void testRequestReply() throws Exception {

   }

   @Test
   public void testTempQueues() throws Exception {
      TemporaryQueue temp = localSession.createTemporaryQueue();
      MessageProducer producer = localSession.createProducer(temp);
      producer.send(localSession.createTextMessage("test"));
      Thread.sleep(100);
      assertEquals("Destination not created", 1, remoteBroker.getAdminView().getTemporaryQueues().length);
      temp.delete();
      Thread.sleep(100);
      assertEquals("Destination not deleted", 0, remoteBroker.getAdminView().getTemporaryQueues().length);
   }

   @Test
   public void testDynamicallyIncludedDestinationsForDuplex() throws Exception {
      // Once the bridge is set up, we should see the filter used for the duplex end of the bridge
      // only subscribe to the specific destinations included in the <dynamicallyIncludedDestinations> list
      // so let's test that the filter is correct, let's also test the subscription on the localbroker
      // is correct

      // the bridge on the remote broker has the correct filter
      TransportConnection bridgeConnection = getDuplexBridgeConnectionFromRemote();
      assertNotNull(bridgeConnection);
      DemandForwardingBridge duplexBridge = getDuplexBridgeFromConnection(bridgeConnection);
      assertNotNull(duplexBridge);
      NetworkBridgeConfiguration configuration = getConfigurationFromNetworkBridge(duplexBridge);
      assertNotNull(configuration);
      assertFalse("This destinationFilter does not include ONLY the destinations specified in dynamicallyIncludedDestinations", configuration.getDestinationFilter().equals(AdvisorySupport.CONSUMER_ADVISORY_TOPIC_PREFIX + ">"));
      assertEquals("There are other patterns in the destinationFilter that shouldn't be there", "ActiveMQ.Advisory.Consumer.Queue.include.test.foo,ActiveMQ.Advisory.Consumer.Topic.include.test.bar", configuration.getDestinationFilter());
   }

   private NetworkBridgeConfiguration getConfigurationFromNetworkBridge(DemandForwardingBridgeSupport duplexBridge) throws NoSuchFieldException, IllegalAccessException {
      Field f = DemandForwardingBridgeSupport.class.getDeclaredField("configuration");
      f.setAccessible(true);
      NetworkBridgeConfiguration configuration = (NetworkBridgeConfiguration) f.get(duplexBridge);
      return configuration;
   }

   private DemandForwardingBridge getDuplexBridgeFromConnection(TransportConnection bridgeConnection) throws NoSuchFieldException, IllegalAccessException {
      Field f = TransportConnection.class.getDeclaredField("duplexBridge");
      f.setAccessible(true);
      DemandForwardingBridge bridge = (DemandForwardingBridge) f.get(bridgeConnection);
      return bridge;
   }

   public TransportConnection getDuplexBridgeConnectionFromRemote() {
      TransportConnector transportConnector = remoteBroker.getTransportConnectorByScheme("tcp");
      CopyOnWriteArrayList<TransportConnection> transportConnections = transportConnector.getConnections();
      TransportConnection duplexBridgeConnectionFromRemote = transportConnections.get(0);
      return duplexBridgeConnectionFromRemote;
   }
}
