package org.kuali.ole.editor.bo;
   
   import org.kuali.ole.BibliographicRecordHandler;
   import org.kuali.ole.docstore.model.xmlpojo.work.bib.marc.ControlField;
   import org.kuali.ole.docstore.model.xmlpojo.work.bib.marc.DataField;
   import org.kuali.ole.docstore.model.xmlpojo.work.bib.marc.SubField;
   import org.kuali.ole.editor.form.MarcEditorForm;
   import org.kuali.ole.pojo.bib.BibliographicRecord;
   import org.kuali.rice.krad.web.form.UifFormBase;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.StringTokenizer;
  
  /**
   * MarcEditorFormDataHandler is the data handler class for Marc Editor
   */
  public class MarcEditorFormDataHandler {
      /**
       * This method will generate the responseXml,
       * This method builds the bibliographicRecord,And BibliographicRecordHandler will generate the responseXml.,
       * @param uifFormBase
       * @return   String
       */
      public String buildBibRecordForDocStore(UifFormBase uifFormBase){
          MarcEditorForm marcEditorForm = (MarcEditorForm) uifFormBase;
          BibliographicRecord bibliographicRecord = new BibliographicRecord();
          bibliographicRecord.setLeader(marcEditorForm.getLeader());
          bibliographicRecord.setControlfields(buldBibliographicContrlFields(marcEditorForm.getControlFields()));
          bibliographicRecord.setDatafields(buildBibliographicDataFields(marcEditorForm.getDataFields()));
          String content = new BibliographicRecordHandler().generateXML(bibliographicRecord);
          return content;
      }
  
      /**
       *  This method build the dataFields for bibliographicRecord and it will return List of marcEditorControlField ,
       *  each marcEditorControlField sets the tag and value get from controlFields
       * @param dataFields
       * @return  List<DataField>
       */
      private List<DataField> buildBibliographicDataFields(List<MarcEditorDataField> dataFields) {
          String marcEditorDataFieldValue;
          List<DataField> marcDataFieldList = new ArrayList<DataField>();
          for (int i = 0; i < dataFields.size(); i++) {
              DataField marcDataField = new DataField();
              List<SubField> marcSubFieldList = new ArrayList<SubField>();
              marcEditorDataFieldValue = dataFields.get(i).getValue();
              StringTokenizer str = new StringTokenizer(marcEditorDataFieldValue, "|");
              while (str.hasMoreTokens()) {
                  SubField marcSubField = new SubField();
                  String dataFieldTokenizedVal = str.nextToken();
                  String code = Character.toString(dataFieldTokenizedVal.charAt(0));
                  marcSubField.setCode(code);
                  String value = dataFieldTokenizedVal.substring(1, dataFieldTokenizedVal.length());
                  marcSubField.setValue(value);
                  marcSubFieldList.add(marcSubField);
              }
              marcDataField.setSubFields(marcSubFieldList);
              marcDataField.setTag(dataFields.get(i).getTag());
              marcDataField.setInd1(dataFields.get(i).getInd1());
              marcDataField.setInd2(dataFields.get(i).getInd2());
              marcDataFieldList.add(marcDataField);
          }
          return marcDataFieldList;
      }
  
      /**
       * This method build the controlFields for bibliographicRecord and it will return List of marcEditorControlField ,
       * each marcEditorControlField sets the tag and value get from controlFields
       * @param controlFields
       * @return   List<ControlField>
       */
      private List<ControlField> buldBibliographicContrlFields(List<MarcEditorControlField> controlFields) {
          List<ControlField> marcControlFieldList = new ArrayList<ControlField>();
          for (int i = 0; i < controlFields.size(); i++) {
              ControlField marcControlField = new ControlField();
              marcControlField.setTag(controlFields.get(i).getTag());
              marcControlField.setValue(controlFields.get(i).getValue());
              marcControlFieldList.add(marcControlField);
          }
          return marcControlFieldList;
      }
  
      /**
       * This method build the controlFields and it will return List of marcEditorControlField ,
       * each marcEditorControlField sets the tag and value get from controlFields
       * @param controlFields
       * @return List<MarcEditorControlField>
       */
      public List<MarcEditorControlField> buildMarcEditorControlFields(List<ControlField> controlFields) {
          List<MarcEditorControlField> marcControlFieldList = new ArrayList<MarcEditorControlField>();
          for (int i = 0; i < controlFields.size(); i++) {
              MarcEditorControlField marcEditorControlField = new MarcEditorControlField();
              marcEditorControlField.setTag(controlFields.get(i).getTag());
              marcEditorControlField.setValue(controlFields.get(i).getValue());
              marcControlFieldList.add(marcEditorControlField);
          }
          return marcControlFieldList;
     }
 
     /**
      * This method build the dataFields and it will return List of marcEditorDataField ,
      * each marcEditorDataField sets the value, and each value has code and value.
      * @param dataFields
      * @return   List<MarcEditorDataField>
      */
     public List<MarcEditorDataField> buildMarcEditorDataFields(List<DataField> dataFields) {
         List<MarcEditorDataField> marcEditorDataFields = new ArrayList<MarcEditorDataField>();
         for (int i = 0; i < dataFields.size(); i++) {
             MarcEditorDataField marcEditorDataField = new MarcEditorDataField();
             marcEditorDataField.setTag(dataFields.get(i).getTag());
             marcEditorDataField.setInd1(dataFields.get(i).getInd1());
             marcEditorDataField.setInd2(dataFields.get(i).getInd2());
             List<SubField> subFields = dataFields.get(i).getSubFields();
             String subFieldVal = null;
             for (int j = 0; j < subFields.size(); j++) {
                 String code = subFields.get(j).getCode();
                 String value = subFields.get(j).getValue();
                 if (subFieldVal != null)
                     subFieldVal = subFieldVal + "|" + code + value;
                 else
                     subFieldVal = "|" + code + value;
             }
             marcEditorDataField.setValue(subFieldVal);
             marcEditorDataFields.add(marcEditorDataField);
         }
         return marcEditorDataFields;
     }
 
     /**
      * This method will get the uuid from the marcEditorForm,
      * uifFormBase has type casted in to MarcEditorForm and from the marcEditorForm we will get the controlFields,
      * iterating the controlFields will return the uuid if tag value equal 001
      * @param uifFormBase
      * @return  Returns uuid
      */
     public String getUUIDFromForm(UifFormBase uifFormBase) {
         MarcEditorForm  form = (MarcEditorForm) uifFormBase;
         List<MarcEditorControlField> controlFields = form.getControlFields();
         for (Iterator<MarcEditorControlField> iterator = controlFields.iterator(); iterator.hasNext(); ) {
             MarcEditorControlField controlField = iterator.next();
             if(controlField.getTag().equals("001")){
                 return controlField.getValue();
             }
         }
          return null;
     }
 }