package org.kuali.ole.ingest.action;
   
   import org.kuali.ole.DataCarrierService;
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.editor.service.DiscoveryHelperService;
   import org.kuali.ole.editor.service.DocstoreHelperService;
   import org.kuali.ole.pojo.bib.BibliographicRecord;
   import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
   import org.kuali.rice.krms.api.engine.ExecutionEnvironment;
  import org.kuali.rice.krms.framework.engine.Action;
  
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  /**
   * UpdateItemAction is a action class for Update Item Action
   */
  public class UpdateItemAction implements Action {
  
      private DocstoreHelperService docstoreHelperService;
      private DiscoveryHelperService discoveryHelperService;
  
      /**
       *     This method takes the initial request when updating the itemAction.
       *      @param executionEnvironment
       */
      @Override
      public void execute(ExecutionEnvironment executionEnvironment) {
          //TODO: Use strings from OleConstants.java; if not present add the string below to the class.
          DataCarrierService dataCarrierService = getDataCarrierService();
          BibliographicRecord bibliographicRecord = (BibliographicRecord) dataCarrierService.getData(OLEConstants.REQUEST_BIB_RECORD);
          List bibInfoList = (List) dataCarrierService.getData(OLEConstants.BIB_INFO_LIST_FROM_SOLR_RESPONSE);
          String bibUUID = null;
          for (Iterator iterator = bibInfoList.iterator(); iterator.hasNext(); ) {
              Map map = (Map) iterator.next();
              if (map.containsKey(OLEConstants.BIB_UNIQUE_ID)) {
                  bibUUID = (String) map.get(OLEConstants.BIB_UNIQUE_ID);
                  break;
              }
          }
  
          List responseFromSOLR =  getDiscoveryHelperService().getResponseFromSOLR("DocType=bibliographic and id", bibUUID);
          String instanceUUID = null;
          for (Iterator iterator = responseFromSOLR.iterator(); iterator.hasNext(); ) {
              Map map = (Map) iterator.next();
              if (map.containsKey(OLEConstants.BIB_INSTANCE_ID)) {
                  List list =(List)map.get(OLEConstants.BIB_INSTANCE_ID);
                  instanceUUID =list !=null & list.size()>0 ?(String) list.get(0):null;
                  break;
              }
          }
  
          List responseFromSOLR1 =  getDiscoveryHelperService().getResponseFromSOLR("DocType=instance and id", instanceUUID);
          String itemUUID = null;
          for (Iterator iterator = responseFromSOLR1.iterator(); iterator.hasNext(); ) {
              Map map = (Map) iterator.next();
              if (map.containsKey(OLEConstants.BIB_ITEM_ID)) {
                  List list = (List)map.get(OLEConstants.BIB_ITEM_ID);
                  itemUUID = list !=null & list.size()>0 ?(String) list.get(0):null;
                  break;
              }
          }
  
          getDocstoreHelperService().updateItem(bibliographicRecord, itemUUID);
          executionEnvironment.getEngineResults().setAttribute(OLEConstants.UPDATE_ITEM_FLAG, true);
      }
  
      /**
       *  Gets the dataCarrierService attribute.
       * @return  Returns dataCarrierService.
       */
      protected DataCarrierService getDataCarrierService() {
          return GlobalResourceLoader.getService(OLEConstants.DATA_CARRIER_SERVICE);
      }
  
      /**
       *   This method simulate the executionEnvironment.
       * @param executionEnvironment
       */
      @Override
      public void executeSimulation(ExecutionEnvironment executionEnvironment) {
          execute(executionEnvironment);
      }
  
      /**
       * Sets the docstoreHelperService
       * @param docstoreHelperService
       */
      public void setDocstoreHelperService(DocstoreHelperService docstoreHelperService) {
          this.docstoreHelperService = docstoreHelperService;
      }
  
      /**
       * gets the docstoreHelperService
       * @return Returns docstoreHelperService.
       */
      public DocstoreHelperService getDocstoreHelperService() {
          if (null == docstoreHelperService) {
             docstoreHelperService = new DocstoreHelperService();
         }
         return docstoreHelperService;
     }
 
     /**
      *   Gets the discoveryHelperService attribute.
      * @return Returns discoveryHelperService.
      */
     public DiscoveryHelperService getDiscoveryHelperService() {
         if (null == discoveryHelperService) {
             discoveryHelperService = new DiscoveryHelperService();
         }
         return discoveryHelperService;
     }
 
     /**
      *Sets the discoveryHelperService attribute value.
      * @param discoveryHelperService . The discoveryHelperService to set.
      */
     public void setDiscoveryHelperService(DiscoveryHelperService discoveryHelperService) {
         this.discoveryHelperService = discoveryHelperService;
     }
 }