/**

  * 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.

  *

  */

 package org.kuali.student.enrollment.class2.acal.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.service.AcademicCalendarService;

 import org.kuali.student.enrollment.class2.acal.dto.AcalEventWrapper;

 import org.kuali.student.enrollment.class2.acal.form.AcademicCalendarForm;

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

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

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

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

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

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

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

 import javax.xml.namespace.QName;

 import java.io.Serializable;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 public class AcalEventTypeKeyValues extends UifKeyValuesFinderBase implements Serializable {

     private static final long serialVersionUID = 1L;

     private transient AcademicCalendarService acalService;

     private static List<TypeInfo> acalEventTypes;

     public List<KeyValue> getKeyValues(ViewModel model) {

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

         List<String> alreadyAddedTypes = new ArrayList();

         AcademicCalendarForm acalForm = (AcademicCalendarForm)model;

         for (AcalEventWrapper eventWrapper : acalForm.getEvents()){

             alreadyAddedTypes.add(eventWrapper.getEventTypeKey());

         }

         //Hard code "Select Event Type"

         ConcreteKeyValue topKeyValue = new ConcreteKeyValue();

         topKeyValue.setKey("");

         topKeyValue.setValue("Select Event Type");

         keyValues.add(topKeyValue);

         try {

             List<TypeInfo> types = getAcalEventTypes();

             for (TypeInfo type : types) {

                 if (!alreadyAddedTypes.contains(type.getKey())){

                     ConcreteKeyValue keyValue = new ConcreteKeyValue();

                     keyValue.setKey(type.getKey());

                     keyValue.setValue(type.getName());

                     keyValues.add(keyValue);

                 }

             }

         } catch (Exception e) {

             throw new RuntimeException(e);

         }

         return keyValues;

     }

     private List<TypeInfo> getAcalEventTypes() throws InvalidParameterException, MissingParameterException, PermissionDeniedException, OperationFailedException {

         if(acalEventTypes == null) {

             //TODO:Build real context.

             ContextInfo context = TestHelper.getContext1();

             acalEventTypes = Collections.unmodifiableList(getAcalService().getAcalEventTypes(context));

         }

         return acalEventTypes;  //To change body of created methods use File | Settings | File Templates.

     }

     public AcademicCalendarService getAcalService() {

         if(acalService == null) {

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

         }

         return this.acalService;

     }

 }