/**
    * Copyright 2004-2013 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.hr.time.docsearch;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.hr.time.assignment.Assignment;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.timesheet.TimesheetDocument;
  import org.kuali.rice.kew.api.document.DocumentWithContent;
  import org.kuali.rice.kew.api.extension.ExtensionDefinition;
  import org.kuali.rice.kew.docsearch.SearchableAttributeLongValue;
  import org.kuali.rice.kew.docsearch.SearchableAttributeValue;
  import org.kuali.rice.kew.docsearch.xml.StandardGenericXMLSearchableAttribute;
  
  public class WorkAreaSearchableAttribute extends StandardGenericXMLSearchableAttribute{
  
  	private static String WORK_AREA = "workArea";
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = 1L;
  
  	@Override
      public List extractDocumentAttributes(ExtensionDefinition extensionDefinition, DocumentWithContent documentWithContent) {
  		List<SearchableAttributeValue> searchableAttributeValues = new ArrayList<SearchableAttributeValue>();
  		
  		String documentId = StringUtils.substringBetween(documentWithContent.getDocumentContent().toString(), "<string>", "</string>");
  		TimesheetDocument timesheetDocument = TkServiceLocator.getTimesheetService().getTimesheetDocument(documentId);
  		List<Long> workAreasIncluded = new ArrayList<Long>();
  		for(Assignment assign : timesheetDocument.getAssignments()){
  			if(!workAreasIncluded.contains(assign.getWorkArea())){
  				SearchableAttributeValue attValue = new SearchableAttributeLongValue();
  				attValue.setSearchableAttributeKey(WORK_AREA);
  				attValue.setupAttributeValue(StringUtils.upperCase(assign.getWorkArea().toString()));
  				searchableAttributeValues.add(attValue);
  				workAreasIncluded.add(assign.getWorkArea());
  			}
  		}
  		return searchableAttributeValues;
  	}
  }