/**
    * 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.student.lum.lu.ui.course.keyvalues;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Locale;
  
  import javax.xml.namespace.QName;
  
  import org.kuali.rice.core.api.criteria.Predicate;
  import org.kuali.rice.core.api.criteria.PredicateFactory;
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  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.krad.util.GlobalVariables;
  import org.kuali.student.r2.common.dto.ContextInfo;
  import org.kuali.student.r2.common.dto.LocaleInfo;
  import org.kuali.student.r2.common.util.ContextUtils;
  import org.kuali.student.r2.lum.lrc.dto.ResultScaleInfo;
  import org.kuali.student.r2.lum.lrc.dto.ResultValuesGroupInfo;
  import org.kuali.student.r2.lum.lrc.service.LRCService;
  import org.kuali.student.r2.lum.util.constants.LrcServiceConstants;
  
  /**
   * KeyValueFinder for result value groups.
   *
   * @author Kuali Student Team
   */
  public class AssesmentKeyValueFinder extends KeyValuesBase {
  
      private LRCService lrcService;
  
      @Override
      public List<KeyValue> getKeyValues() {
          List<KeyValue> keyValues = new ArrayList<KeyValue>();
          QueryByCriteria.Builder qBuilder = QueryByCriteria.Builder.create();
          Predicate typePredicate = PredicateFactory.in("type", LrcServiceConstants.RESULT_VALUES_GROUP_TYPE_KEY_FIXED,
                  LrcServiceConstants.RESULT_VALUES_GROUP_TYPE_KEY_RANGE,
                  LrcServiceConstants.RESULT_VALUES_GROUP_TYPE_KEY_MULTIPLE);
          Predicate idPredicate = PredicateFactory.in("id", LrcServiceConstants.RESULT_GROUP_KEY_GRADE_LETTER_PLUS_MINUS_STANDARD,
                  LrcServiceConstants.RESULT_GROUP_KEY_GRADE_LETTER,
                  LrcServiceConstants.RESULT_GROUP_KEY_GRADE_PASSFAIL,
                  LrcServiceConstants.RESULT_GROUP_KEY_GRADE_SATISFACTORY,
                  LrcServiceConstants.RESULT_GROUP_KEY_GRADE_COMPLETEDNOTATION,
                  LrcServiceConstants.RESULT_GROUP_KEY_GRADE_PERCENTAGE);
          qBuilder.setPredicates(PredicateFactory.and(typePredicate, idPredicate));
          try
          {
              List<ResultValuesGroupInfo> list = this.getLRCService().searchForResultValuesGroups(qBuilder.build(), getContextInfo());
              if (list != null) {
                  for (ResultValuesGroupInfo info : list) {
                      keyValues.add(new ConcreteKeyValue(info.getKey(), info.getName()));
                  }
              }
          } catch (Exception ex) {
              throw new RuntimeException(ex);
          }
          return keyValues;
      }
  
      private LRCService getLRCService() {
          if (lrcService == null)
          {
              QName qname = new QName(LrcServiceConstants.NAMESPACE, LrcServiceConstants.SERVICE_NAME_LOCAL_PART);
              lrcService = (LRCService) GlobalResourceLoader.getService(qname);
          }
          return lrcService;
      }
  
      private ContextInfo getContextInfo() {
          return ContextUtils.createDefaultContextInfo();
      }
  
  }