/**
    * 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.kpme.pm.util;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.collections.CollectionUtils;
  import org.kuali.kpme.core.bo.HrBusinessObject;
  import org.kuali.kpme.pm.positionflag.PositionFlag;
  import org.kuali.kpme.pm.service.base.PmServiceLocator;
  import org.kuali.rice.core.api.util.ConcreteKeyValue;
  import org.kuali.rice.core.api.util.KeyValue;
  import org.kuali.rice.krad.uif.control.UifKeyValuesFinderBase;
  import org.kuali.rice.krad.uif.view.ViewModel;
  import org.kuali.rice.krad.web.form.MaintenanceDocumentForm;
  
  public class FlagCategoryKeyValueFinder extends UifKeyValuesFinderBase {
  	
  	private static final long serialVersionUID = 1L;
  	
  	@Override
  	public List<KeyValue> getKeyValues() {		
  		List<KeyValue> keyValues = new ArrayList<KeyValue>();
  		List<String> categories = PmServiceLocator.getPositionFlagService().getAllActiveFlagCategories();
  		keyValues.add(new ConcreteKeyValue("", "Select category to see flags"));
  		if(CollectionUtils.isNotEmpty(categories)) {
  			for(String aCategory : categories) {
  				keyValues.add(new ConcreteKeyValue(aCategory, aCategory));
  			}
  		}         
  		return keyValues;
  	}
  	
  	@Override
  	public List<KeyValue> getKeyValues(ViewModel model) {
  		List<KeyValue> options = new ArrayList<KeyValue>();
  		MaintenanceDocumentForm docForm = (MaintenanceDocumentForm) model; 
  		HrBusinessObject anHrObject = (HrBusinessObject) docForm.getDocument().getNewMaintainableObject().getDataObject();
  		if(anHrObject.getEffectiveDate() != null) {
  			List<PositionFlag> flagList = PmServiceLocator.getPositionFlagService().getAllActivePositionFlags(null, null, anHrObject.getEffectiveLocalDate());
  			options.add(new ConcreteKeyValue("", "Select category to see flags"));
  			if(CollectionUtils.isNotEmpty(flagList)) {
  				for(PositionFlag aFlag : flagList) {
  					options.add(new ConcreteKeyValue((String) aFlag.getCategory(), (String) aFlag.getCategory()));
  				}
  			}         
  		} else {
  			options = this.getKeyValues();
  		}
  		
          return options;
      }
  
  }