/**
    * 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 5/23/12
   */
  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.MaintenanceForm;
  import org.kuali.student.enrollment.courseoffering.dto.CourseOfferingInfo;
  import org.kuali.student.enrollment.courseoffering.dto.FormatOfferingInfo;
  import org.kuali.student.enrollment.courseoffering.service.CourseOfferingService;
  import org.kuali.student.mock.utilities.TestHelper;
  import org.kuali.student.r2.common.dto.ContextInfo;
  import org.kuali.student.r2.common.exceptions.DoesNotExistException;
  import org.kuali.student.r2.lum.course.dto.CourseInfo;
  import org.kuali.student.r2.lum.course.dto.FormatInfo;
  import org.kuali.student.r2.lum.course.service.CourseService;
  import org.kuali.student.r2.lum.util.constants.CourseServiceConstants;
  
  import javax.xml.namespace.QName;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  
  public class CourseOfferingIdFormatKeyValues extends UifKeyValuesFinderBase implements Serializable {
  
      private static final long serialVersionUID = 1L;
  
      private transient CourseOfferingService courseOfferingService;
      private transient CourseService courseService;
  
      @Override
      public List<KeyValue> getKeyValues(ViewModel model) {
  
          List<KeyValue> keyValues = new ArrayList<KeyValue>();
  
          MaintenanceForm form1 = (MaintenanceForm)model;
          FormatOfferingInfo form = (FormatOfferingInfo)form1.getDocument().getDocumentDataObject();
  
          ContextInfo context = TestHelper.getContext1();
          String courseOfferingId = form.getCourseOfferingId();
  
          if (courseOfferingId != null) {
              List<FormatInfo> formats;
              try {
                  CourseOfferingInfo courseOfferingInfo = getCourseOfferingService().getCourseOffering(courseOfferingId, context);
                  CourseInfo courseInfo = getCourseService().getCourse(courseOfferingInfo.getCourseId(), context);
                  formats = courseInfo.getFormats();
              } catch (DoesNotExistException e) {
                  throw new RuntimeException("No subject areas found! There should be some in the database", e);
              } catch (Exception e) {
                  throw new RuntimeException("Error looking up subject areas", e);
              }
  
              for(FormatInfo format : formats) {
                  keyValues.add(new ConcreteKeyValue(format.getId(), format.getType()));
              }
          }
  
          return keyValues;
      }
  
      protected CourseOfferingService getCourseOfferingService() {
          if(courseOfferingService == null) {
              courseOfferingService = (CourseOfferingService) GlobalResourceLoader.getService(new QName("http://student.kuali.org/wsdl/courseOffering", "CourseOfferingService"));
          }
          return this.courseOfferingService;
      }
  
      protected CourseService getCourseService() {
          if(courseService == null) {
              courseService = (CourseService) GlobalResourceLoader.getService(new QName(CourseServiceConstants.COURSE_NAMESPACE, "CourseService"));
          }
          return this.courseService;
      }
  }