package uk.ac.ebi.intenz.webapp.controller.helper.dtoinit;
   
   import org.apache.log4j.Logger;
   import org.apache.struts.action.Action;
   import org.apache.struts.action.ActionForm;
   import org.apache.struts.action.ActionForward;
   import org.apache.struts.action.ActionMapping;
   import org.apache.struts.util.TokenProcessor;
   import org.apache.struts.Globals;
  import org.apache.struts.taglib.html.Constants;
  
  import uk.ac.ebi.intenz.domain.constants.EnzymeNameTypeConstant;
  import uk.ac.ebi.intenz.domain.enzyme.*;
  import uk.ac.ebi.intenz.domain.history.HistoryGraph;
  import uk.ac.ebi.intenz.domain.reference.Book;
  import uk.ac.ebi.intenz.domain.reference.Journal;
  import uk.ac.ebi.intenz.domain.reference.Patent;
  import uk.ac.ebi.intenz.domain.reference.Reference;
  import uk.ac.ebi.intenz.webapp.dtos.*;
  import uk.ac.ebi.intenz.webapp.utilities.IntEnzUtilities;
  import uk.ac.ebi.intenz.webapp.utilities.IntEnzUtilities;
  import uk.ac.ebi.xchars.SpecialCharacters;
  import uk.ac.ebi.xchars.domain.EncodingType;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.SortedSet;
  
  /**
   * This Action ...
   *
   * @author Michael Darsow
   * @version $Revision: 1.2 $ $Date: 2008/01/28 12:33:00 $
   */
  public class PopulateEnzymeListDTOAction extends Action {
    private final static String ALL_ENTRIES_JSP_FWD = "entries";
  
    private static final Logger LOGGER =
  	  Logger.getLogger(PopulateEnzymeListDTOAction.class.getName());
  
    public ActionForward execute(ActionMapping mapping,
                                 ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) throws Exception {
      LOGGER.debug("PopulateEnzymeListDTOAction");
  
      // Get special characters instance (set in the servlet handler's process method).
      SpecialCharacters encoding = (SpecialCharacters) request.getSession().getAttribute("characters");
  
      // TODO: provide means to choose the view and the corresponding encoding type.
      EncodingType encodingType = null;
  
      // Populate form.
      populateForm((List) request.getAttribute("result"), form, encoding, encodingType);
  
      return mapping.findForward(ALL_ENTRIES_JSP_FWD);
    }
  
    private void populateForm(List result, ActionForm form, SpecialCharacters encoding, EncodingType encodingType) {
      LOGGER.debug("Populating EnzymeListDTO ...");
      EnzymeListDTO enzymeListDTO = (EnzymeListDTO) form;
      List ghostEntryList = new ArrayList();
      for (int iii = 0; iii < result.size(); iii++) {
        EnzymeEntry enzymeEntry = (EnzymeEntry) result.get(iii);
        GhostEnzymeDTO ghostEnzymeDTO = new GhostEnzymeDTO();
        ghostEnzymeDTO.setEnzymeId(enzymeEntry.getId().toString());
        ghostEnzymeDTO.setEc(enzymeEntry.getEc().toString());
        List commonNames = enzymeEntry.getCommonNames();
        for (int jjj = 0; jjj < commonNames.size(); jjj++) {
          EnzymeName commonName = (EnzymeName) commonNames.get(jjj);
          if(commonName.getView().isInIntEnzView()) {
            ghostEnzymeDTO.setName(encoding.xml2Display(commonName.getName(), encodingType));
            break;
          }
        }
        ghostEnzymeDTO.setSource(enzymeEntry.getSource().toString());
        ghostEnzymeDTO.setStatus(enzymeEntry.getStatus().toString());
        ghostEnzymeDTO.setActive(enzymeEntry.isActive());
        ghostEnzymeDTO.setEventClass(getEventClass(enzymeEntry));
        ghostEnzymeDTO.setEventNote(IntEnzUtilities.linkMarkedEC(enzymeEntry.getHistory().getLatestRelevantHistoryEventOfRoot().getNote(), true));
        ghostEntryList.add(ghostEnzymeDTO);
      }
      enzymeListDTO.setResult(ghostEntryList);
      LOGGER.debug("... EnzymeListDTO populated.");
    }
  
     private String getEventClass(EnzymeEntry enzymeEntry){
        return enzymeEntry.getHistory().getLatestRelevantHistoryEventOfRoot()
      		  .getEventClass().toString();
     }
  
  }