package org.kuali.ole.describe.bo;
   
   import org.kuali.ole.UnQualifiedDublinRecordHandler;
   import org.kuali.ole.docstore.model.xmlpojo.work.bib.dublin.unqualified.*;
   import org.kuali.ole.describe.form.DublinEditorForm;
   import org.kuali.ole.pojo.dublin.unqualified.UnQualifiedDublinRecord;
   import org.kuali.rice.krad.web.form.UifFormBase;
   
   import java.util.ArrayList;
  import java.util.List;
  
  /**
   * DublinEditorFormDataHandler is the data handler class for Dublin Editor
   */
  public class DublinEditorFormDataHandler {
      /**
       * This method returns response Xml from the docStore for Duplin Record, This method will ingest new record to docstore if uuid is null, else it will update existing record.
       * the toXml method in UnQualifiedDublinRecordHandler will convert the unQualifiedDublinRecord in to responseXml.
       *
       * @param uifFormBase
       * @param uuid
       * @return content
       */
      public String buildDublinRecordForDocStore(UifFormBase uifFormBase, String uuid) {
          DublinEditorForm dublinEditorForm = (DublinEditorForm) uifFormBase;
          UnQualifiedDublinRecord unQualifiedDublinRecord = new UnQualifiedDublinRecord();
          if (uuid != null && !uuid.trim().equals("")) {
              unQualifiedDublinRecord.setListRecords(buildDublinDCValuesForEdit(dublinEditorForm));
          } else {
              unQualifiedDublinRecord.setListRecords(buildDublinDCValues(dublinEditorForm.getDublinFieldList()));
          }
          String content = new UnQualifiedDublinRecordHandler().toXml(unQualifiedDublinRecord);
          return content;
      }
  
      /**
       * This method returns List of DublinDcValue records,
       * In this method each record contains a metadata with oaiDcDocList,
       * each oaiDcDocList contains list of oaiDcDoc with tagName and value.
       *
       * @param dublinFields
       * @return listRecords
       */
      private ListRecords buildDublinDCValues(List<DublinEditorField> dublinFields) {
          ListRecords listRecords = new ListRecords();
          Record record = new Record();
          MetaData metaData = new MetaData();
          OaiDcDoc oaiDcDoc = new OaiDcDoc();
          List<OaiDcDoc> oaiDcDocList = new ArrayList<OaiDcDoc>();
          for (int i = 0; i < dublinFields.size(); i++) {
              if (!dublinFields.get(i).getElement().equalsIgnoreCase("default")) {
                  oaiDcDoc.put(dublinFields.get(i).getElement(), dublinFields.get(i).getValue());
              }
          }
          oaiDcDocList.add(oaiDcDoc);
          metaData.setOaiDcDocs(oaiDcDocList);
          record.setMetadata(metaData);
          listRecords.addRecord(record);
          return listRecords;
      }
  
      /**
       * This method returns List of  DublinEditorField,
       * each dublinEditorField object sets the tagName and value got from unQualifiedDublinRecord.
       *
       * @param unQualifiedDublinRecord
       * @return dublinEditorFieldList
       */
  
      public List<DublinEditorField> buildDublinEditorFields(UnQualifiedDublinRecord unQualifiedDublinRecord) {
          ListRecords listRecords = unQualifiedDublinRecord.getListRecords();
          List<Tag> tagList = listRecords.getRecords().get(0).getMetadata().getOaiDcDocs().get(0).getAllTags();
          List<DublinEditorField> dublinEditorFieldList = new ArrayList<DublinEditorField>();
          for (int i = 0; i < tagList.size(); i++) {
              DublinEditorField dublinEditorField = new DublinEditorField();
              dublinEditorField.setElement(tagList.get(i).getName());
              dublinEditorField.setValue(tagList.get(i).getValue());
              dublinEditorFieldList.add(dublinEditorField);
          }
          return dublinEditorFieldList;
      }
  
      /**
       * This method returns updated ListRecords to be set in UnQualifiedDublinRecord  to update the existing docStore records.
       * In this method each record contains updated metadata with oaiDcDocList,
       * each oaiDcDocList contains updated list of oaiDcDoc with tagName and value.
       *
       * @param dublinEditorForm
       * @return listRecords
       */
      private ListRecords buildDublinDCValuesForEdit(DublinEditorForm dublinEditorForm) {
          ListRecords listRecords = new ListRecords();
          Record record = new Record();
          MetaData metaData = new MetaData();
          OaiDcDoc oaiDcDoc = new OaiDcDoc();
          List<OaiDcDoc> oaiDcDocList = new ArrayList<OaiDcDoc>();
          List<DublinEditorField> newElementList = dublinEditorForm.getDublinFieldList();
          List<DublinEditorField> existingElementList = dublinEditorForm.getExistingDublinFieldList();
          for (int i = 0; i < newElementList.size(); i++) {
             if (!newElementList.get(i).getElement().equalsIgnoreCase("default")) {
                 oaiDcDoc.put(newElementList.get(i).getElement(), newElementList.get(i).getValue());
             }
         }
         for (int i = 0; i < existingElementList.size(); i++) {
             if (!existingElementList.get(i).getElement().equalsIgnoreCase("default")) {
                 oaiDcDoc.put(existingElementList.get(i).getElement(), existingElementList.get(i).getValue());
             }
         }
         oaiDcDocList.add(oaiDcDoc);
         metaData.setOaiDcDocs(oaiDcDocList);
         record.setMetadata(metaData);
         listRecords.addRecord(record);
         return listRecords;
     }
 
 }