/**
    * Copyright 2004-2012 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.hr.job.service;
  
  import java.util.Map;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.hr.job.Job;
  import org.kuali.hr.time.HrBusinessObject;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.util.HrBusinessObjectMaintainableImpl;
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.kns.document.MaintenanceDocument;
  
  /**
   * Hooks in to Rice to over-ride the way we are saving our Business Objects.  We
   * treat our business objects as immutable, the default Rice behavior is to modify
   * existing rows in the database.
   */
  public class JobMaintainableImpl extends HrBusinessObjectMaintainableImpl {
  
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = 1L;
  
  	
  	public void setJobNumber(Job job) {
  		Long jobNumber = new Long("0");
  		Job maxJob = TkServiceLocator.getJobService().getMaxJob(job.getPrincipalId());
  		
  		if(maxJob != null) {
  			// get the max of job number of the collection
  			jobNumber = maxJob.getJobNumber() +1;
  		}		
  		job.setJobNumber(jobNumber);
  	}
  	/**
  	 * Override to populate user information in Maintenance page
  	 */
  	@SuppressWarnings("rawtypes")
  	@Override
  	public Map populateBusinessObject(Map<String, String> fieldValues,
  			MaintenanceDocument maintenanceDocument, String methodToCall) {
  		if (fieldValues.containsKey("principalId")
  				&& StringUtils.isNotEmpty(fieldValues.get("principalId"))) {
  			Person p = KimApiServiceLocator.getPersonService().getPerson(
  					fieldValues.get("principalId"));
  			if (p != null) {
  				fieldValues.put("name", p.getName());
  			}else{
  				fieldValues.put("name", "");
  			}
  		}
  		if(StringUtils.equals(getMaintenanceAction(),"New")){
  			if (!fieldValues.containsKey("jobNumber") || StringUtils.isEmpty(fieldValues.get("jobNumber"))) {
  				if (fieldValues.containsKey("principalId") && StringUtils.isNotEmpty(fieldValues.get("principalId"))) {
  					Job maxJob = TkServiceLocator.getJobService().getMaxJob(fieldValues.get("principalId"));
  					if(maxJob != null) {
  						fieldValues.put("jobNumber", Long.toString(maxJob.getJobNumber() +1));
  					} else {
  						fieldValues.put("jobNumber", "0");
  					}
  				}
  			} 
  		}
  		
  		return super.populateBusinessObject(fieldValues, maintenanceDocument,
  				methodToCall); 
  	}
  
  	@Override
  	public HrBusinessObject getObjectById(String id) {
  		return (HrBusinessObject)TkServiceLocator.getJobService().getJob(id);
  	}
  
  	@Override
  	public void customSaveLogic(HrBusinessObject hrObj) {
  		if(StringUtils.equals(getMaintenanceAction(),"New")){
  			Job job = (Job)hrObj;
  			this.setJobNumber(job);
  		}
  	}
  	
  	
 }