/**
 * 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.store.kahadb;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.util.concurrent.TimeUnit;

import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.BaseDestination;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.broker.region.policy.VMPendingQueueMessageStoragePolicy;
import org.apache.activemq.command.ActiveMQQueue;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class KahaDBStoreRecoveryExpiryTest {

   private BrokerService broker;
   private ActiveMQConnection connection;
   private final Destination destination = new ActiveMQQueue("Test");
   private Session session;

   @Test
   public void testRestartWitExpired() throws Exception {
      publishMessages(1, 0);
      publishMessages(1, 2000);
      publishMessages(1, 0);
      restartBroker(3000);
      consumeMessages(2);
   }

   @Test
   public void testRestartWitExpiredLargerThanBatchRecovery() throws Exception {
      publishMessages(BaseDestination.MAX_PAGE_SIZE + 10, 2000);
      publishMessages(10, 0);
      restartBroker(3000);
      consumeMessages(10);
   }

   private void consumeMessages(int count) throws Exception {
      MessageConsumer consumer = session.createConsumer(destination);
      for (int i = 0; i < count; i++) {
         assertNotNull("got message " + i, consumer.receive(4000));
      }
      assertNull("none left over", consumer.receive(2000));
   }

   private void restartBroker(int restartDelay) throws Exception {
      stopBroker();
      TimeUnit.MILLISECONDS.sleep(restartDelay);
      startBroker();
   }

   @After
   public void stopBroker() throws Exception {
      broker.stop();
      broker.waitUntilStopped();
   }

   private void publishMessages(int count, int expiry) throws Exception {
      MessageProducer producer = session.createProducer(destination);
      for (int i = 0; i < count; i++) {
         producer.send(session.createTextMessage(), DeliveryMode.PERSISTENT, 5, expiry);
      }
   }

   @Before
   public void startBroker() throws Exception {
      broker = new BrokerService();
      ((KahaDBPersistenceAdapter) broker.getPersistenceAdapter()).setIndexCacheSize(0);
      PolicyMap policyMap = new PolicyMap();
      PolicyEntry defaultEntry = new PolicyEntry();
      defaultEntry.setPendingQueuePolicy(new VMPendingQueueMessageStoragePolicy());
      policyMap.setDefaultEntry(defaultEntry);
      broker.setDestinationPolicy(policyMap);
      broker.setUseJmx(false);
      broker.start();

      ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost?create=false");
      connection = (ActiveMQConnection) connectionFactory.createConnection();
      connection.setWatchTopicAdvisories(false);
      connection.start();

      session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   }
}