/**
    * Copyright 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.osedu.org/licenses/ECL-2.0
    *
    * 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.
   *
   * Created by vgadiyak on 6/2/12
   */
  package org.kuali.student.enrollment.class2.courseoffering.keyvalue;
  
  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.uif.control.UifKeyValuesFinderBase;
  import org.kuali.rice.krad.uif.view.ViewModel;
  import org.kuali.rice.krad.web.form.InquiryForm;
  import org.kuali.rice.krad.web.form.MaintenanceDocumentForm;
  import org.kuali.student.enrollment.class2.courseoffering.dto.CourseOfferingEditWrapper;
  import org.kuali.student.r2.common.dto.ContextInfo;
  import org.kuali.student.r2.common.util.ContextUtils;
  import org.kuali.student.r2.lum.course.service.CourseService;
  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.CourseServiceConstants;
  import org.kuali.student.r2.lum.util.constants.LrcServiceConstants;
  
  import javax.xml.namespace.QName;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  
  //import org.kuali.student.r2.lum.lrc.service.LRCService;
  
  /**
   * This class provides a key value finder for student registration options
   *
   * @author Kuali Student Team
   */
  public class StudentRegistrationOptionsKeyValues extends UifKeyValuesFinderBase implements Serializable {
  
      private static final long serialVersionUID = 1L;
  
      private transient CourseService courseService;
      private transient LRCService lrcService;
  
      @Override
      public List<KeyValue> getKeyValues(ViewModel model) {
  
          List<KeyValue> keyValues = new ArrayList<KeyValue>();
  
          CourseOfferingEditWrapper form = null;
          if (model instanceof MaintenanceDocumentForm) {
              MaintenanceDocumentForm form1 = (MaintenanceDocumentForm)model;
              form = (CourseOfferingEditWrapper)form1.getDocument().getDocumentDataObject();
          } else if (model instanceof InquiryForm) {
              InquiryForm form1 = (InquiryForm)model;
              form = (CourseOfferingEditWrapper)form1.getDataObject();
          }
  
          if (form != null && form.getStudentRegOptions() != null) {
              ResultValuesGroupInfo rvg;
              try {
                  ContextInfo contextInfo = ContextUtils.createDefaultContextInfo();
                  for(String studentGradingOption : form.getStudentRegOptions()) {
                      rvg = getLrcService().getResultValuesGroup(studentGradingOption, contextInfo);
                      if (null != rvg) {
                          keyValues.add(new ConcreteKeyValue(studentGradingOption, rvg.getName()));
                      }
                      else {
                          keyValues.add(new ConcreteKeyValue(studentGradingOption, studentGradingOption));
                      }
                  }
              }
              catch (Exception e) {
                  throw new RuntimeException("Error getting student registration options", e);
              }
          }
  
          return keyValues;
      }
  
      protected CourseService getCourseService() {
          if(courseService == null) {
              courseService = (CourseService) GlobalResourceLoader.getService(new QName(CourseServiceConstants.COURSE_NAMESPACE, "CourseService"));
          }
          return this.courseService;
      }
  
      protected LRCService getLrcService() {
          if(lrcService == null) {
              lrcService = (LRCService) GlobalResourceLoader.getService(new QName(LrcServiceConstants.NAMESPACE, LrcServiceConstants.SERVICE_NAME_LOCAL_PART));
         }
         return this.lrcService;
     }
 
 }