package org.kuali.student.common.ui.client.configurable.mvc.multiplicity;

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

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

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

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

 public class MultiplicityFieldConfiguration {

     private String fieldPath;

     private MessageKeyInfo messageKeyInfo;

     private Metadata metadata;

     private MultiplicityFieldWidgetInitializer fieldWidgetInitializer;

     @SuppressWarnings("unchecked")

         private ModelWidgetBinding modelWidgetBinding;

     private boolean isRequired;

         private boolean optional = false;

     public MultiplicityFieldConfiguration(

             String fieldPath,

             MessageKeyInfo messageKeyInfo,

             Metadata metadata,

             MultiplicityFieldWidgetInitializer fieldWidgetInitializer) {

         setFieldPath(fieldPath);

         setMessageKeyInfo(messageKeyInfo);

         setMetadata(metadata);

         setFieldWidgetInitializer(fieldWidgetInitializer);

         setupField();

     }

     public String getFieldPath() {

         return fieldPath;

     }

     public void setFieldPath(String fieldPath) {

         this.fieldPath = fieldPath;

     }

     public MessageKeyInfo getMessageKeyInfo() {

         return messageKeyInfo;

     }

     public void setMessageKeyInfo(MessageKeyInfo messageKeyInfo) {

         this.messageKeyInfo = messageKeyInfo;

     }

     public Metadata getMetadata() {

         return metadata;

     }

     public void setMetadata(Metadata metadata) {

         this.metadata = metadata;

     }

     public MultiplicityFieldWidgetInitializer getFieldWidgetInitializer() {

         return fieldWidgetInitializer;

     }

     public void setFieldWidgetInitializer(MultiplicityFieldWidgetInitializer fieldWidgetInitializer) {

         this.fieldWidgetInitializer = fieldWidgetInitializer;

     }

     public boolean isRequired() {

         return isRequired;

     }

     public void setRequired(boolean isRequired) {

         this.isRequired = isRequired;

     }

         public void setModelWidgetBinding(ModelWidgetBinding modelWidgetBinding) {

                 this.modelWidgetBinding = modelWidgetBinding;

         }

         public ModelWidgetBinding getModelWidgetBinding() {

                 return modelWidgetBinding;

         }

         /**

          * Sets the optional flag

          * Fields that are optional should not be displayed if there is no data in some cases,

          * it is up to the section implementation whether or not to honor this flag

          * @param optional

          */

         public void setOptional(boolean optional){

                 this.optional = optional;

         }

         /**

          * Fields that are optional should not be displayed if there is no data in some cases,

          * it is up to the section implementation whether or not to honor this flag

          */

         public boolean isOptional(){

                 return optional;

         }

         protected void setupField() {

         if(metadata != null){

             if(MetadataInterrogator.isRequired(metadata)){

                 this.setRequired(true);

             }

             else if(MetadataInterrogator.isRequiredForNextState(metadata)){

                 String nextState = MetadataInterrogator.getNextState(metadata);

                 if(nextState != null){

                     this.setRequired(true);

                 }

             } else{

                 this.setRequired(false);

             }

         }

     }

 }