/*
    * Copyright 2007 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.web;
  
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.apache.struts.action.ActionMessages;
  import org.kuali.rice.ksb.messaging.PersistedMessageBO;
  import org.kuali.rice.ksb.messaging.quartz.MessageServiceExecutorJob;
  import org.kuali.rice.ksb.service.KSBServiceLocator;
  import org.kuali.rice.ksb.util.KSBConstants;
  import org.quartz.JobDetail;
  import org.quartz.Trigger;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.util.ArrayList;
  import java.util.List;
  
  
  /**
   * action to view messages in quartz and push them into the message queue. 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class QuartzQueueAction extends KSBAction {
      
      private static final String RENDER_LIST_OVERRIDE = "_renderlistoverride";
  
      @Override
      public ActionMessages establishRequiredState(HttpServletRequest request, ActionForm form) throws Exception {
  	if ("moveToRouteQueue".equals(request.getParameter("methodToCall")) && request.getAttribute(RENDER_LIST_OVERRIDE) == null) {
  	    return null;
  	}
  	
  	List<QuartzQueueForm> jobs = new ArrayList<QuartzQueueForm>();
  	String[] jobGroups = KSBServiceLocator.getScheduler().getJobGroupNames(); 
  	for (int i = 0; i < jobGroups.length; i++) {
  	    String jobGroup = KSBServiceLocator.getScheduler().getJobGroupNames()[i];
  	    String[] jobNames = KSBServiceLocator.getScheduler().getJobNames(jobGroup);
  	    for (int j = 0; j < jobNames.length; j++) {
  		JobDetail job = KSBServiceLocator.getScheduler().getJobDetail(jobNames[j], jobGroup);
  		Trigger trigger = KSBServiceLocator.getScheduler().getTriggersOfJob(job.getName(), job.getGroup())[0];
  		jobs.add(new QuartzQueueForm(job, trigger));
  	    }
  	}
  	request.setAttribute("jobs", jobs);
  	return null;
      }
  
      @Override
      public ActionForward start(ActionMapping mapping, ActionForm form, HttpServletRequest request,
  	    HttpServletResponse response) throws Exception {
  	return mapping.findForward("joblisting");
      }
      
      public ActionForward moveToRouteQueue(ActionMapping mapping, ActionForm form, HttpServletRequest request,
  	    HttpServletResponse response) throws Exception {
  	
  	QuartzQueueForm quartzForm = (QuartzQueueForm)form;
  	
  	JobDetail job = KSBServiceLocator.getScheduler().getJobDetail(quartzForm.getJobName(), quartzForm.getJobGroup());
  	PersistedMessageBO message = (PersistedMessageBO)job.getJobDataMap().get(MessageServiceExecutorJob.MESSAGE_KEY);
  	message.setQueueStatus(KSBConstants.ROUTE_QUEUE_EXCEPTION);
  	
  	KSBServiceLocator.getMessageQueueService().save(message);
  	KSBServiceLocator.getScheduler().deleteJob(quartzForm.getJobName(), quartzForm.getJobGroup());
  	request.setAttribute(RENDER_LIST_OVERRIDE, new Object());
  	establishRequiredState(request, form);
  	return mapping.findForward("joblisting");
      }
      
      
  }