package org.kuali.student.enrollment.class2.appointment.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.student.enrollment.acal.constants.AcademicCalendarServiceConstants;

 import org.kuali.student.enrollment.acal.dto.KeyDateInfo;

 import org.kuali.student.enrollment.acal.dto.TermInfo;

 import org.kuali.student.enrollment.acal.service.AcademicCalendarService;

 import org.kuali.student.enrollment.class2.appointment.form.RegistrationWindowsManagementForm;

 import org.kuali.student.r2.common.dto.ContextInfo;

 import org.kuali.student.r2.common.exceptions.*;

 import org.kuali.student.r2.common.util.constants.AtpServiceConstants;

 import org.kuali.student.r2.common.util.constants.TypeServiceConstants;

 import org.kuali.student.r2.core.type.dto.TypeTypeRelationInfo;

 import org.kuali.student.r2.core.type.service.TypeService;

 import org.kuali.student.mock.utilities.TestHelper;

 import javax.xml.namespace.QName;

 import java.io.Serializable;

 import java.util.ArrayList;

 import java.util.List;

 public class PeriodKeyDatesFinder extends UifKeyValuesFinderBase implements Serializable {

     private static final long serialVersionUID = 1L;

     private transient AcademicCalendarService acalService;

     private transient TypeService typeService;

     private ContextInfo contextInfo;

     /*

      * try to generate key-value pairs based on minimal info from the form

      */

     @Override

     public List<KeyValue> getKeyValues(ViewModel model) {

         List<KeyValue> keyValues = new ArrayList<KeyValue>();

         RegistrationWindowsManagementForm form = (RegistrationWindowsManagementForm)model;

         ContextInfo context = TestHelper.getContext1();

         try {

             TermInfo term = form.getTermInfo();

             if (term.getId() != null && !term.getId().isEmpty()) {

                 List<KeyDateInfo> keyDateInfoList = getAcalService().getKeyDatesForTerm(term.getId(), context);

                 try{

                     List<TypeTypeRelationInfo> relations = getTypeService().getTypeTypeRelationsByOwnerAndType("kuali.milestone.type.group.appt.regperiods","kuali.type.type.relation.type.group",context);

                     for (KeyDateInfo keyDateInfo : keyDateInfoList) {

                          for (TypeTypeRelationInfo relationInfo : relations) {

                             String relatedTypeKey = relationInfo.getRelatedTypeKey();

                             if (keyDateInfo.getTypeKey().equals(relatedTypeKey) &&

                                     (AtpServiceConstants.MILESTONE_OFFICIAL_STATE_KEY.equals(keyDateInfo.getStateKey()) ||

                                      AtpServiceConstants.ATP_OFFICIAL_STATE_KEY.equals(keyDateInfo.getStateKey())))  {

                                 keyValues.add(new ConcreteKeyValue(keyDateInfo.getId(), keyDateInfo.getName()));

                                 break;

                             }

                         }

                     }

                 }catch (Exception e){

                     //ToDo -- Log exception

                 }

                 if (!keyValues.isEmpty())

                     keyValues.add(new ConcreteKeyValue("all", "All Registration Periods for this Term"));

             }

         }catch (DoesNotExistException dnee){

             System.out.println("call getAcalService().getKeyDatesForTerm(term.getId(), context), and get DoesNotExistException:  "+dnee.toString());

         }catch (InvalidParameterException ipe){

             System.out.println("call getAcalService().getKeyDatesForTerm(term.getId(), context), and get InvalidParameterException:  "+ipe.toString());

         }catch (MissingParameterException mpe){

             System.out.println("call getAcalService().getKeyDatesForTerm(term.getId(), context), and get MissingParameterException:  "+mpe.toString());

         }catch (OperationFailedException ofe){

             System.out.println("call getAcalService().getKeyDatesForTerm(term.getId(), context), and get OperationFailedException:  "+ofe.toString());

         }catch (PermissionDeniedException pde){

             System.out.println("call getAcalService().getKeyDatesForTerm(term.getId(), context), and get PermissionDeniedException:  "+pde.toString());

         }

         return keyValues;

     }

     public AcademicCalendarService getAcalService() {

         if(acalService == null) {

             acalService = (AcademicCalendarService) GlobalResourceLoader.getService(new QName(AcademicCalendarServiceConstants.NAMESPACE, AcademicCalendarServiceConstants.SERVICE_NAME_LOCAL_PART));

         }

         return this.acalService;

     }

     public TypeService getTypeService() {

         if(typeService == null) {

             typeService = (TypeService) GlobalResourceLoader.getService(new QName(TypeServiceConstants.NAMESPACE, TypeServiceConstants.SERVICE_NAME_LOCAL_PART));

         }

         return this.typeService;

     }

     private ContextInfo getContextInfo() {

         if (null == contextInfo) {

             //TODO - get real ContextInfo

             contextInfo = TestHelper.getContext1();

         }

         return contextInfo;

     }

 }