/**
    * Copyright 2004-2015 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.core.calendar.web;
  
  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.kew.api.document.DocumentStatus;
  import org.kuali.rice.kew.api.document.DocumentStatusCategory;
  import org.kuali.rice.krad.keyvalues.KeyValuesBase;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Set;
  
  
  public class CalendarDocumentStatusValuesFinder extends KeyValuesBase {
      private static final String CATEGORY_CODE_PREFIX = "category:";
  
      @Override
      public List<KeyValue> getKeyValues() {
          List<KeyValue> statuses = new ArrayList<KeyValue>();
          statuses.add(new ConcreteKeyValue(StringUtils.EMPTY, StringUtils.EMPTY));
          addCategory(statuses, DocumentStatusCategory.PENDING);
          addCategory(statuses, DocumentStatusCategory.SUCCESSFUL);
          addCategory(statuses, DocumentStatusCategory.UNSUCCESSFUL);
          return statuses;
      }
  
      private void addCategory(List<KeyValue> statuses, DocumentStatusCategory category) {
          statuses.add(new ConcreteKeyValue(CATEGORY_CODE_PREFIX + category.getCode(), category.getLabel() + " Statuses"));
          Set<DocumentStatus> documentStatuses = DocumentStatus.getStatusesForCategory(category);
          for (DocumentStatus documentStatus : documentStatuses) {
              statuses.add(new ConcreteKeyValue(documentStatus.getCode(), "- " + documentStatus.getLabel()));
          }
      }
  }