/**
    * Copyright 2005-2012 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.rice.location.framework.state;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.util.ConcreteKeyValue;
  import org.kuali.rice.core.api.util.KeyValue;
  import org.kuali.rice.krad.keyvalues.KeyValuesBase;
  import org.kuali.rice.location.api.country.Country;
  import org.kuali.rice.location.api.services.LocationApiServiceLocator;
  import org.kuali.rice.location.api.state.State;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.List;
  
  public class StateValuesFinder extends KeyValuesBase {
  
      private String countryCode = "";
  
      @Override
  	public List<KeyValue> getKeyValues() {
      	List<KeyValue> labels = new ArrayList<KeyValue>();
          if (StringUtils.isEmpty(this.countryCode)) {
              Country defaultCountry = LocationApiServiceLocator.getCountryService().getDefaultCountry();
              if (defaultCountry != null) {
                  countryCode = defaultCountry.getCode();
              }
          }
          List<State> baseCodes = LocationApiServiceLocator.getStateService().findAllStatesInCountry(countryCode);
          List<State> codes = new ArrayList<State>( baseCodes );
          Collections.sort(codes, new Comparator<State> () {
              @Override
              public int compare(State o1, State o2) {
                  return o1.getName().compareTo(o2.getName());
              }
          });
  
          List<KeyValue> newLabels = new ArrayList<KeyValue>();
          newLabels.add(new ConcreteKeyValue("", ""));
          for (State state : codes) {
              if(state.isActive()) {
                  newLabels.add(new ConcreteKeyValue(state.getCode(), state.getName()));
              }
          }
          labels = newLabels;
  
          return labels;
      }
  
      public void setCountryCode(String countryCode) {
          this.countryCode = countryCode;
      }
  
  
      @Override
      public void clearInternalCache() {
      }
  }