/**
    * Copyright 2005-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.ksb.messaging;
  
  import org.junit.Test;
  import org.kuali.rice.core.api.config.property.ConfigContext;
  import org.kuali.rice.ksb.api.KsbApiServiceLocator;
  import org.kuali.rice.ksb.messaging.remotedservices.TesetHarnessExplodingQueue;
  import org.kuali.rice.ksb.messaging.service.KSBJavaService;
  import org.kuali.rice.ksb.service.KSBServiceLocator;
  import org.kuali.rice.ksb.test.KSBTestCase;
  import org.kuali.rice.ksb.util.KSBConstants;
  import org.kuali.rice.test.TestUtilities;
  
  import javax.xml.namespace.QName;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  
  /**
   * Tests exception retries in KSB messaging.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class ExceptionRetryCountTest extends KSBTestCase {
  
  
  	private QName retryCountServiceName = new QName("KEW", "testExplodingRetryCount");
  	private TestCallback callback = new TestCallback();
  
  	@Override
  	public void setUp() throws Exception {
  		System.setProperty(KSBConstants.Config.ROUTE_QUEUE_TIME_INCREMENT_KEY, "500");
  	System.setProperty(KSBConstants.Config.ROUTE_QUEUE_MAX_RETRY_ATTEMPTS_KEY, "2");
  		super.setUp();
  		GlobalCallbackRegistry.getCallbacks().clear();
  		GlobalCallbackRegistry.getCallbacks().add(this.callback);
  		TestCallback.clearCallbacks();
  		TesetHarnessExplodingQueue.NUM_CALLS = 0;
  	}
  
  	@Override
  	public void tearDown() throws Exception {
  	    try {
  		KSBServiceLocator.getScheduler().shutdown();
  	    } finally {
  		super.tearDown();
  	    }
  	}
  
  	/**
  	 * Test that a message with retry count gets retried that many times.
  	 *
  	 * @throws Exception
  	 */
      @Test
      public void testRetryCount() throws Exception {
  		//Turn the requeue up very high so the message will go through all it's requeues immediately
  
  		ConfigContext.getCurrentContextConfig().putProperty(KSBConstants.Config.ROUTE_QUEUE_TIME_INCREMENT_KEY, "100");
  
  	KSBJavaService explodingQueue = (KSBJavaService) KsbApiServiceLocator.getMessageHelper().getServiceAsynchronously(
  		this.retryCountServiceName);
  		explodingQueue.invoke("");
  		TestUtilities.waitForExceptionRouting();
  
  		this.callback.pauseUntilNumberCallbacksUsingStaticCounter(3, this.retryCountServiceName);
  
  	//pause to let save to queue in status 'E' happen
  	int i = 0;
  	while (i++ < 30) {
  	    List<PersistedMessageBO> queuedItems = KSBServiceLocator.getMessageQueueService().findAll();
  	    if (queuedItems.size() != 1) {
  		fail("test setup wrong should have a single item in the queue.");
  	    }
  	    PersistedMessageBO message = queuedItems.get(0);
  	    if (message.getQueueStatus().equals("E")) {
  		break;
  	    }
  	    System.out.println("Message not saved to queue in 'E' status.  Sleeping 1 sec.");
  	    Thread.sleep(1000);
  	}
  
 		assertEquals("Service should have been called 3 times", 3, TesetHarnessExplodingQueue.NUM_CALLS);
 
 	    List<PersistedMessageBO> messagesQueued = KSBServiceLocator.getMessageQueueService().findByServiceName(
 		this.retryCountServiceName, "invoke");
 		PersistedMessageBO message = messagesQueued.get(0);
 		assertEquals("Message should be in exception status", KSBConstants.ROUTE_QUEUE_EXCEPTION, message.getQueueStatus());
 		assertEquals("Message retry count not what was configured", new Integer(2), message.getRetryCount());
 	}
 
 }