package org.kuali.student.lum.program.client.variation.edit;

 import org.kuali.student.common.assembly.data.Metadata;

 import org.kuali.student.common.assembly.data.QueryPath;

 import org.kuali.student.common.ui.client.configurable.mvc.SectionTitle;

 import org.kuali.student.common.ui.client.configurable.mvc.binding.ModelWidgetBindingSupport;

 import org.kuali.student.common.ui.client.configurable.mvc.sections.HorizontalSection;

 import org.kuali.student.common.ui.client.configurable.mvc.sections.VerticalSection;

 import org.kuali.student.common.ui.client.configurable.mvc.views.VerticalSectionView;

 import org.kuali.student.common.ui.client.mvc.DataModel;

 import org.kuali.student.common.ui.client.widgets.KSTextBox;

 import org.kuali.student.common.ui.client.widgets.field.layout.element.MessageKeyInfo;

 import org.kuali.student.common.ui.client.widgets.search.KSPicker;

 import org.kuali.student.common.ui.client.widgets.search.SearchPanel;

 import org.kuali.student.lum.common.client.configuration.AbstractSectionConfiguration;

 import org.kuali.student.lum.program.client.ProgramConstants;

 import org.kuali.student.lum.program.client.ProgramSections;

 import org.kuali.student.lum.program.client.properties.ProgramProperties;

 import com.google.gwt.user.client.ui.Widget;

 /**

  * @author Igor

  */

 public class VariationInformationEditConfiguration extends AbstractSectionConfiguration {

     public VariationInformationEditConfiguration() {

         rootSection = new VerticalSectionView(ProgramSections.PROGRAM_DETAILS_EDIT, ProgramProperties.get().program_menu_sections_programInformation(), ProgramConstants.PROGRAM_MODEL_ID);

     }

     @Override

     protected void buildLayout() {

         HorizontalSection horizontalSection = new HorizontalSection();

         horizontalSection.addSection(createLeftSection());

         horizontalSection.addSection(createRightSection());

         rootSection.addSection(horizontalSection);

     }

     private VerticalSection createLeftSection() {

         VerticalSection section = new VerticalSection();

         section.addSection(createKeyProgramInformationSection());

         section.addSection(createProgramTitleSection());

         section.addSection(createDatesSection());

         section.addSection(createOtherInformationSection());

         return section;

     }

     private VerticalSection createRightSection() {

         VerticalSection section = new VerticalSection();

         section.addStyleName("readOnlySection");

         section.addSection(createReadOnlySection());

         return section;

     }

     private VerticalSection createKeyProgramInformationSection() {

         VerticalSection section = new VerticalSection(SectionTitle.generateH3Title(ProgramProperties.get().programInformation_identifyingDetails()));

         configurer.addField(section, ProgramConstants.CODE, new MessageKeyInfo(ProgramProperties.get().programInformation_code()));

         configurer.addField(section, ProgramConstants.PROGRAM_CLASSIFICATION, new MessageKeyInfo(ProgramProperties.get().programInformation_classification()));

         configurer.addField(section, ProgramConstants.DEGREE_TYPE, new MessageKeyInfo(ProgramProperties.get().programInformation_degreeType()));

         return section;

     }

     private VerticalSection createProgramTitleSection() {

         VerticalSection section = new VerticalSection(SectionTitle.generateH3Title(ProgramProperties.get().programInformation_programTitle()));

         configurer.addField(section, ProgramConstants.LONG_TITLE, new MessageKeyInfo(ProgramProperties.get().programInformation_titleFull()));

         configurer.addField(section, ProgramConstants.SHORT_TITLE, new MessageKeyInfo(ProgramProperties.get().programInformation_titleShort()));

         configurer.addField(section, ProgramConstants.TRANSCRIPT, new MessageKeyInfo(ProgramProperties.get().programInformation_titleTranscript()));

         configurer.addField(section, ProgramConstants.DIPLOMA, new MessageKeyInfo(ProgramProperties.get().programInformation_titleDiploma())).setWidgetBinding(new DiplomaBinding());

         return section;

     }

     private VerticalSection createDatesSection() {

         VerticalSection section = new VerticalSection(SectionTitle.generateH3Title(ProgramProperties.get().programInformation_dates()));

         configurer.addField(section, ProgramConstants.START_TERM, new MessageKeyInfo(ProgramProperties.get().programInformation_startTerm()));

         configurer.addField(section, ProgramConstants.END_INSTITUTIONAL_ADMIT_TERM, new MessageKeyInfo(ProgramProperties.get().programInformation_admitTerm()));

         configurer.addField(section, ProgramConstants.END_PROGRAM_ENTRY_TERM, new MessageKeyInfo(ProgramProperties.get().programInformation_entryTerm()));

         configurer.addField(section, ProgramConstants.END_PROGRAM_ENROLL_TERM, new MessageKeyInfo(ProgramProperties.get().programInformation_enrollTerm()));

         return section;

     }

     private VerticalSection createOtherInformationSection() {

         VerticalSection section = new VerticalSection(SectionTitle.generateH3Title(ProgramProperties.get().programInformation_otherInformation()));

         configurer.addField(section, ProgramConstants.LOCATION, new MessageKeyInfo(ProgramProperties.get().programInformation_location()));

         Widget cip2000Picker = configureSearch(ProgramConstants.CIP_2000);

         configurer.addField(section, ProgramConstants.CIP_2000, new MessageKeyInfo(ProgramProperties.get().programInformation_cip2000()), cip2000Picker);

         Widget cip2010Picker = configureSearch(ProgramConstants.CIP_2010);

         configurer.addField(section, ProgramConstants.CIP_2010, new MessageKeyInfo(ProgramProperties.get().programInformation_cip2010()), cip2010Picker);

         configurer.addField(section, ProgramConstants.HEGIS_CODE, new MessageKeyInfo(ProgramProperties.get().programInformation_hegis()));

         return section;

     }

     private VerticalSection createReadOnlySection() {

         VerticalSection section = new VerticalSection();

         configurer.addReadOnlyField(section, ProgramConstants.CREDENTIAL_PROGRAM_INSTITUTION_ID, new MessageKeyInfo(ProgramProperties.get().programInformation_institution()));

         configurer.addReadOnlyField(section, ProgramConstants.CREDENTIAL_PROGRAM_TYPE_NAME, new MessageKeyInfo(ProgramProperties.get().programInformation_credentialProgram()));

         configurer.addReadOnlyField(section, ProgramConstants.CREDENTIAL_PROGRAM_LEVEL, new MessageKeyInfo(ProgramProperties.get().programInformation_level()));

         return section;

     }

         private Widget configureSearch(String fieldKey) {            

                 Widget searchWidget;

                 QueryPath path = QueryPath.concat(null, fieldKey);

                 Metadata meta = configurer.getModelDefinition().getMetadata(path);

                 searchWidget = new KSPicker(meta.getInitialLookup(), meta.getAdditionalLookups());

                 SearchPanel panel = ((KSPicker) searchWidget).getSearchPanel();

         if (panel != null) {

             panel.setMutipleSelect(false);

         }

                 return searchWidget;

         }

     public class DiplomaBinding extends ModelWidgetBindingSupport<KSTextBox> {

                 private boolean isEmpty(String value){

                         return value == null || (value != null && "".equals(value));

                 }

                 @Override

                 public void setModelValue(KSTextBox widget, DataModel model, String path) {

                         String         diplomaTitle =         widget.getText();

                         if(diplomaTitle != null)

                                 model.set(QueryPath.concat(null, "/" + ProgramConstants.DIPLOMA), diplomaTitle);

                 }

                 @Override

                 public void setWidgetValue(KSTextBox widget, DataModel model, String path) {

                         String diplomaTitle = model.get("/" + ProgramConstants.DIPLOMA);

                         if(isEmpty(diplomaTitle)){

                                 String programTitle = model.get("/" + ProgramConstants.LONG_TITLE);

                                 if (!isEmpty(programTitle))

                                         widget.setText(programTitle);

                         }

                         else

                                 widget.setText(diplomaTitle);

                 }

         }

 }