package org.kuali.student.enrollment.class2.registration.service;
   
   import org.apache.commons.lang.StringUtils;
   import org.apache.log4j.Logger;
   import org.kuali.rice.krad.uif.UifConstants;
   import org.kuali.rice.krad.uif.component.Component;
   import org.kuali.rice.krad.uif.container.CollectionGroup;
   import org.kuali.rice.krad.uif.container.Group;
   import org.kuali.rice.krad.uif.field.ActionField;
  import org.kuali.rice.krad.uif.field.MessageField;
  import org.kuali.rice.krad.uif.layout.StackedLayoutManager;
  import org.kuali.rice.krad.uif.service.impl.ViewHelperServiceImpl;
  import org.kuali.rice.krad.uif.util.ComponentFactory;
  import org.kuali.student.enrollment.class2.registration.dto.RegistrationGroupWrapper;
  import org.kuali.student.enrollment.class2.registration.form.RegistrationForm;
  import org.kuali.student.enrollment.courseregistration.dto.CourseRegistrationInfo;
  import org.kuali.student.enrollment.courseregistration.dto.RegistrationRequestItemInfo;
  
  import java.util.List;
  
  //Needs to clean up the core slice codes
  @Deprecated
  public class RegistrationViewHelperServiceImpl extends ViewHelperServiceImpl {
  
      private static final Logger LOGGER = Logger.getLogger(RegistrationViewHelperServiceImpl.class);
  
      public void checkRegElements(CollectionGroup collGroup, RegistrationForm form){
          List<CourseRegistrationInfo> regs = form.getCourseRegistrations();
  
          boolean courseRegistered = false;
          boolean courseInCart = false;
  
          for(Group group: ((StackedLayoutManager)collGroup.getLayoutManager()).getStackedGroups()){
              RegistrationGroupWrapper registrationGroupWrapper = (RegistrationGroupWrapper)group.getContext().get(UifConstants.ContextVariableNames.LINE);
              boolean renderRegButtons = true;
              boolean renderDropButton = false;
              boolean renderRemoveFromCartButton = false;
              String id = registrationGroupWrapper.getRegistrationGroup().getId();
  
              if(StringUtils.isNotBlank(id)){
  
                  for (CourseRegistrationInfo reg : regs) {
                      /*
                      if (reg.getRegGroupRegistration().getRegistrationGroup().getId().equals(id)
                              && reg.getRegGroupRegistration().getStateKey().equals(LprServiceConstants.REGISTERED_STATE_KEY)) {
                          renderDropButton = true;
                          courseRegistered = true;
                          renderRegButtons = false;
                          break;
                      }
                      */
                  }
  
                  if (form.getRegRequest() != null && form.getRegRequest().getRegistrationRequestItems() != null) {
                      for (RegistrationRequestItemInfo regRequestItemInfo : form.getRegRequest().getRegistrationRequestItems()) {
                          String regGroupId = regRequestItemInfo.getNewRegistrationGroupId();
                          if (StringUtils.isNotBlank(regGroupId)) {
                              // find the regGroupWrapper that matches the id from the supplemental list
                              //RegistrationGroupWrapper regGroupWrapper = form.getRegistrationGroupWrappersById().get(regGroupId);
                              if (regGroupId.equals(id)) {
                                  renderRemoveFromCartButton = true;
                                  courseInCart = true;
                                  renderRegButtons = false;
                                  break;
                              }
                          }
                      }
                  }
              }
              for (Component c : group.getFooter().getItems()) {
  
                  if(c instanceof ActionField){
                      if(((ActionField)c).getMethodToCall().equals("addToCart") || (((ActionField)c).getMethodToCall().equals("registerClass"))){
                          c.setRender(renderRegButtons);
                      }
                      else if(((ActionField)c).getMethodToCall().equals("removeFromCart")){
                          c.setRender(renderRemoveFromCartButton);
                      }
                      else if(((ActionField)c).getMethodToCall().equals("addDropToCart")){
                          c.setRender(renderDropButton);
                      }
                  }
              }
              if(!renderRegButtons && renderDropButton){
                  MessageField message = ComponentFactory.getMessageField();
                  message.setMessageText("You are currently registered for this course.");
                  ((List<Component>)group.getFooter().getItems()).add(0, message);
              }
              else if(!renderRegButtons && renderRemoveFromCartButton){
                  MessageField message = ComponentFactory.getMessageField();
                  message.setMessageText("This course is currently in your registration cart");
                  ((List<Component>)group.getFooter().getItems()).add(0, message);
              }
          }
  
          // TODO: RICE=M9 UPGRADE Replace call to "getSummaryMessageField" to use one of the new ContainerBase message field widgets, I suspect this should use getErrorsField
          if(courseRegistered){
              LOGGER.error("Empty If Statement: No action defined for courseRegistered " + courseRegistered);
              throw new UnsupportedOperationException("Empty If Statement: No action defined for courseRegistered " + courseRegistered);
            //collGroup.getSummaryMessageField().setMessageText("You are currently registered for a version of this course.");
            //collGroup.getSummaryMessageField().addStyleClass("ks-regWarning");
         }
         else if(courseInCart){
             LOGGER.error("Empty If Statement: No action defined for courseInCart " + courseInCart);
             throw new UnsupportedOperationException("Empty If Statement: No action defined for courseRegistered " + courseInCart);
            //collGroup.getSummaryMessageField().setMessageText("Your cart contains a version of this course.");
            //collGroup.getSummaryMessageField().addStyleClass("ks-regWarning");
         }
         else{
             LOGGER.error("Empty If Statement: No action defined for final else");
             throw new UnsupportedOperationException("Empty If Statement: No action defined for final else");
            //collGroup.getSummaryMessageField().setMessageText("Add a course to your cart or register with a single click:");
            //collGroup.getSummaryMessageField().getStyleClasses().remove("ks-regWarning");
         }
     }
 
     public void checkSubmitItemRender(Component component, RegistrationForm form){
         boolean render = false;
         if(form.getRegRequest() != null && form.getRegRequest().getRegistrationRequestItems() != null
                 && !form.getRegRequest().getRegistrationRequestItems().isEmpty()){
             render = true;
         }
         component.setRender(render);
     }
 
     public void checkRenderCartEmpty(Component component, RegistrationForm form){
         boolean render = true;
         if(form.getRegRequest() != null && form.getRegRequest().getRegistrationRequestItems() != null
                 && !form.getRegRequest().getRegistrationRequestItems().isEmpty()){
             render = false;
         }
         component.setRender(render);
     }
 }