package org.kuali.student.lum.lu.ui.course.client.controllers;

 import org.kuali.student.common.dto.DtoConstants;

 import org.kuali.student.common.dto.DtoConstants.DtoState;

 import org.kuali.student.common.ui.client.application.Application;

 import org.kuali.student.common.ui.client.application.ViewContext;

 import org.kuali.student.common.ui.client.configurable.mvc.FieldDescriptor;

 import org.kuali.student.common.ui.client.configurable.mvc.sections.BaseSection;

 import org.kuali.student.common.ui.client.event.ActionEvent;

 import org.kuali.student.common.ui.client.event.SaveActionEvent;

 import org.kuali.student.common.ui.client.mvc.ActionCompleteCallback;

 import org.kuali.student.common.ui.client.mvc.Callback;

 import org.kuali.student.common.ui.client.service.BaseDataOrchestrationRpcServiceAsync;

 import org.kuali.student.common.ui.client.util.WindowTitleUtils;

 import org.kuali.student.common.ui.client.widgets.KSButton;

 import org.kuali.student.common.ui.client.widgets.notification.KSNotifier;

 import org.kuali.student.common.ui.shared.IdAttributes.IdType;

 import org.kuali.student.lum.common.client.widgets.AppLocations;

 import org.kuali.student.lum.lu.assembly.data.client.constants.orch.CreditCourseConstants;

 import org.kuali.student.lum.lu.ui.course.client.configuration.CourseAdminWithoutVersionConfigurer;

 import com.google.gwt.core.client.GWT;

 import com.google.gwt.event.dom.client.ClickEvent;

 import com.google.gwt.event.dom.client.ClickHandler;

 /**

  * Controller for create/modify admin screens

  * 

  * @author Will

  *

  */

 public class CourseAdminWithoutVersionController extends CourseAdminController{

         /**

          * Override the intitailzeController method to use CourseAdminConfigurer 

          */

         @Override

         protected void initializeController() {

                 super.cfg = GWT.create(CourseAdminWithoutVersionConfigurer.class);

                 //FIXME: This may not be what we want to do

                    cfg.setState(DtoConstants.STATE_APPROVED.toUpperCase());

                    cfg.setNextState(DtoConstants.STATE_ACTIVE.toUpperCase());

                    super.setDefaultModelId(cfg.getModelId());

                    super.registerModelsAndHandlers();

                    super.addStyleName("ks-course-admin");                                                

     }

         /**

          * Override the progressive enable fields to only allow edit of end term and retire fields when pilot box checked and course is not active

          */

         @Override

         protected void progressiveEnableFields() {

                 super.progressiveEnableFields();

         final FieldDescriptor retireRationale = Application.getApplicationContext().getPathToFieldMapping(null,CreditCourseConstants.RETIREMENT_RATIONALE); 

         final FieldDescriptor lastTermOffered = Application.getApplicationContext().getPathToFieldMapping(null,CreditCourseConstants.LAST_TERM_OFFERED);

         final FieldDescriptor lastPublicationYear = Application.getApplicationContext().getPathToFieldMapping(null,CreditCourseConstants.LAST_PUBLICATION_YEAR);

         final FieldDescriptor specialCircumstances = Application.getApplicationContext().getPathToFieldMapping(null,CreditCourseConstants.SPECIAL_CIRCUMSTANCES);

                 String courseState = cluProposalModel.get(CreditCourseConstants.STATE);

                 Boolean pilotValue = cluProposalModel.get(CreditCourseConstants.PILOT_COURSE);

                 Boolean enableRetireFields = !DtoState.ACTIVE.equalsString(courseState) && (pilotValue == null || !pilotValue);

                 BaseSection.progressiveEnableFields(enableRetireFields, retireRationale, lastTermOffered, lastPublicationYear, specialCircumstances);

         }

         /**

          * Override the getSaveButton to provide a new set of buttons for the admin screens

          */

         @Override

         public KSButton getSaveButton(){

                 KSButton saveButton =  new KSButton("Save", new ClickHandler(){

             public void onClick(ClickEvent event) {

                     handleButtonClick(DtoConstants.STATE_APPROVED);                    

             }

         });

                 return saveButton;

         }

         public KSButton getCancelButton(){

                 KSButton button = new KSButton("Cancel", new ClickHandler(){

             public void onClick(ClickEvent event) {       

                     Application.navigate(AppLocations.Locations.CURRICULUM_MANAGEMENT.getLocation());

             }

         });

                 button.addStyleName("ks-button-spacing");

                 return button;

     }

         /**

          * This processes the save or activate button clicks

          * 

          * @param state The state to set on the course when saving course data.

          */

         protected void handleButtonClick(final String state){

                 final SaveActionEvent saveActionEvent = new SaveActionEvent(false);

             saveActionEvent.setActionCompleteCallback(new ActionCompleteCallback(){

                         @Override

                         public void onActionComplete(ActionEvent actionEvent) {

                                 if (saveActionEvent.isSaveSuccessful()){

                         final ViewContext viewContext = new ViewContext();

                         viewContext.setId((String)cluProposalModel.get(CreditCourseConstants.ID));

                         viewContext.setIdType(IdType.OBJECT_ID);                                                                                        

                                         if (DtoConstants.STATE_ACTIVE.equalsIgnoreCase(state) || DtoConstants.STATE_APPROVED.equalsIgnoreCase(state)){

                                                 KSNotifier.show("Course saved.");

                                                 Application.navigate(AppLocations.Locations.VIEW_COURSE.getLocation(), viewContext);                                                

                                         }

                                 }      

                         }

             });

             //Store the rules if save was called

             if((String)cluProposalModel.get(CreditCourseConstants.ID)!=null && cfg instanceof CourseAdminWithoutVersionConfigurer){

                     ((CourseAdminWithoutVersionConfigurer)cfg).getRequisitesSection().storeRules(new Callback<Boolean>(){

                             public void exec(Boolean result) {

                                         if(result){

                                                 CourseAdminWithoutVersionController.this.fireApplicationEvent(saveActionEvent); 

                                         }else{

                                                 KSNotifier.show("Error saving rules.");

                                         }

                                 }

                     });

             }else{

                     CourseAdminWithoutVersionController.this.fireApplicationEvent(saveActionEvent);                    

             }

         }

         /**

      * Override the setHeaderTitle to display proper header title for admin screens

      */

         @Override

         protected void setHeaderTitle(){

                 StringBuffer sb = new StringBuffer();

                 sb.append("Modify: ");

                 sb.append(cluProposalModel.get(cfg.getCourseTitlePath()));

                 sb.append(" (Admin)");

                 currentTitle = sb.toString();

                 this.setContentTitle(currentTitle);

             this.setName(currentTitle);

             WindowTitleUtils.setContextTitle(currentTitle);                

     }

         @Override

         protected Callback<Boolean> previousEndTermConfigurationCallback(Callback<Boolean> onReadyCallback) {

                 //No need to display previous end term when modifying without version, just return original callback.

                 return onReadyCallback;

         }

         protected  BaseDataOrchestrationRpcServiceAsync getCourseProposalRpcService(){

             return courseServiceAsync;

     }

     public boolean startSectionRequired(){

             return false;

     }

         @Override

         public boolean isAuthorizationRequired() {

                 //FIXME: Need to add proper authorization checks for admin modify.

                 return false;

         }

 }