/* (non-Javadoc)
   * @see uk.org.ponder.rsf.view.ComponentProducer#fillComponents(uk.org.ponder.rsf.components.UIContainer, uk.org.ponder.rsf.viewstate.ViewParameters, uk.org.ponder.rsf.view.ComponentChecker)
   */
  public void fillComponents(
      UIContainer tofill, ViewParameters viewparams, ComponentChecker checker) {

    EvalViewParameters evalViewParams = (EvalViewParameters) viewparams;
    if (evalViewParams.evaluationId == null) {
      throw new IllegalArgumentException("Cannot access this view unless the evaluationId is set");
    }

    String actionBean = "setupEvalBean.";
    String evaluationOTP = "evaluationBeanLocator." + evalViewParams.evaluationId + ".";
    /**
     * This is the evaluation we are working with on this page, this should ONLY be read from, do
     * not change any of these fields
     */
    EvalEvaluation evaluation = evaluationService.getEvaluationById(evalViewParams.evaluationId);
    String currentEvalState = evaluationService.returnAndFixEvalState(evaluation, true);

    // local variables used in the render logic
    String currentUserId = commonLogic.getCurrentUserId();
    boolean userAdmin = commonLogic.isUserAdmin(currentUserId);
    boolean createTemplate = authoringService.canCreateTemplate(currentUserId);
    boolean beginEvaluation = evaluationService.canBeginEvaluation(currentUserId);

    DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.LONG, locale);
    DateFormat timeFormat = DateFormat.getTimeInstance(DateFormat.SHORT, locale);

    /*
     * top links here
     */
    UIInternalLink.make(
        tofill,
        "summary-link",
        UIMessage.make("summary.page.title"),
        new SimpleViewParameters(SummaryProducer.VIEW_ID));

    if (userAdmin) {
      UIInternalLink.make(
          tofill,
          "administrate-link",
          UIMessage.make("administrate.page.title"),
          new SimpleViewParameters(AdministrateProducer.VIEW_ID));
      UIInternalLink.make(
          tofill,
          "control-scales-link",
          UIMessage.make("controlscales.page.title"),
          new SimpleViewParameters(ControlScalesProducer.VIEW_ID));
    }

    if (createTemplate) {
      UIInternalLink.make(
          tofill,
          "control-templates-link",
          UIMessage.make("controltemplates.page.title"),
          new SimpleViewParameters(ControlTemplatesProducer.VIEW_ID));
      UIInternalLink.make(
          tofill,
          "control-items-link",
          UIMessage.make("controlitems.page.title"),
          new SimpleViewParameters(ControlItemsProducer.VIEW_ID));
    }

    if (beginEvaluation) {
      UIInternalLink.make(
          tofill,
          "control-evaluations-link",
          UIMessage.make("controlevaluations.page.title"),
          new SimpleViewParameters(ControlEvaluationsProducer.VIEW_ID));
    } else {
      throw new SecurityException(
          "User attempted to access " + VIEW_ID + " when they are not allowed");
    }

    UIInternalLink.make(
        tofill,
        "eval-settings-link",
        UIMessage.make("evalsettings.page.title"),
        new EvalViewParameters(EvaluationSettingsProducer.VIEW_ID, evalViewParams.evaluationId));
    if (EvalConstants.EVALUATION_STATE_PARTIAL.equals(evaluation.getState())) {
      // creating a new eval
      UIMessage.make(tofill, "eval-start-text", "starteval.page.title");
    }

    UIForm form = UIForm.make(tofill, "evalSettingsForm");

    // REOPENING eval (SPECIAL CASE)
    Date reOpenDueDate = null;
    Date reOpenStopDate = null;
    boolean reOpening = false;
    if (evalViewParams.reOpening) {
      Boolean enableReOpen = (Boolean) settings.get(EvalSettings.ENABLE_EVAL_REOPEN);
      if (enableReOpen) {
        // check if already active, do nothing if not closed
        if (EvalUtils.checkStateAfter(
            currentEvalState, EvalConstants.EVALUATION_STATE_CLOSED, false)) {
          // force the due and stop dates to something reasonable
          Calendar calendar = new GregorianCalendar();
          calendar.setTime(new Date());
          calendar.add(Calendar.DATE, 1);
          reOpenDueDate = calendar.getTime();

          Boolean useStopDate = (Boolean) settings.get(EvalSettings.EVAL_USE_STOP_DATE);
          if (useStopDate) {
            // assign stop date to equal due date for now
            reOpenStopDate = calendar.getTime();
          }

          // finally force the state to appear active
          currentEvalState = EvalConstants.EVALUATION_STATE_ACTIVE;
          form.parameters.add(
              new UIELBinding(actionBean + "reOpening", true)); // so we know we are reopening
          reOpening = true;
        }
      }
    }

    // EVALUATION TITLE/INSTRUCTIONS

    if (EvalUtils.checkStateBefore(currentEvalState, EvalConstants.EVALUATION_STATE_ACTIVE, true)) {
      UIInput.make(form, "title", evaluationOTP + "title");
    } else {
      UIOutput.make(tofill, "title_disabled", evaluation.getTitle());
    }

    if (EvalUtils.checkStateBefore(currentEvalState, EvalConstants.EVALUATION_STATE_CLOSED, true)) {
      UIInput instructionsInput =
          UIInput.make(form, "instructions:", evaluationOTP + "instructions");
      instructionsInput.decorators = new DecoratorList(new UITextDimensionsDecorator(60, 4));
      richTextEvolver.evolveTextInput(instructionsInput);
    } else {
      UIVerbatim.make(tofill, "instructions_disabled", evaluation.getInstructions());
    }

    // only put up the controls/auto binding if this is not already set
    if (evaluation.getTemplate() == null) {
      // Make bottom table containing the list of templates if no template set
      if (evalViewParams.templateId == null) {
        // get the templates usable by this user
        List<EvalTemplate> templateList =
            authoringService.getTemplatesForUser(currentUserId, null, false);
        if (templateList.size() > 0) {
          UIBranchContainer chooseTemplate = UIBranchContainer.make(form, "chooseTemplate:");

          String[] values = new String[templateList.size()];
          String[] labels = new String[templateList.size()];

          // TODO - this is not a good way to do this
          UISelect radios =
              UISelect.make(
                  chooseTemplate, "templateRadio", null, null, actionBean + "templateId", null);
          String selectID = radios.getFullID();
          for (int i = 0; i < templateList.size(); i++) {
            EvalTemplate template = templateList.get(i);
            values[i] = template.getId().toString();
            labels[i] = template.getTitle();
            UIBranchContainer radiobranch =
                UIBranchContainer.make(chooseTemplate, "templateOptions:", i + "");
            UISelectChoice.make(radiobranch, "radioValue", selectID, i);
            UISelectLabel.make(radiobranch, "radioLabel", selectID, i);
            EvalUser owner = commonLogic.getEvalUserById(template.getOwner());
            UIOutput.make(radiobranch, "radioOwner", owner.displayName);
            UIInternalLink.make(
                radiobranch,
                "viewPreview_link",
                UIMessage.make("starteval.view.preview.link"),
                new EvalViewParameters(PreviewEvalProducer.VIEW_ID, null, template.getId()));
          }
          // need to assign the choices and labels at the end here since we used nulls at the
          // beginning
          radios.optionlist = UIOutputMany.make(values);
          radios.optionnames = UIOutputMany.make(labels);
        } else {
          throw new IllegalStateException(
              "User got to evaluation settings when they have no access to any templates... "
                  + "producer suicide was the only way out");
        }
      } else {
        // just bind in the template explicitly to the evaluation
        form.parameters.add(
            new UIELBinding(
                evaluationOTP + "template",
                new ELReference("templateBeanLocator." + evalViewParams.templateId)));
      }
    } else {
      EvalTemplate template = authoringService.getTemplateById(evaluation.getTemplate().getId());
      UIBranchContainer showTemplateBranch = UIBranchContainer.make(tofill, "showTemplate:");
      UIMessage.make(
          showTemplateBranch,
          "eval_template_title",
          "evalsettings.template.title.display",
          new Object[] {template.getTitle()});
      UIInternalLink.make(
          showTemplateBranch,
          "eval_template_preview_link",
          UIMessage.make("evalsettings.template.preview.link"),
          new EvalViewParameters(PreviewEvalProducer.VIEW_ID, null, template.getId()));
      if (!template.getLocked().booleanValue()
          && authoringService.canModifyTemplate(currentUserId, template.getId())) {
        UIInternalLink.make(
            showTemplateBranch,
            "eval_template_modify_link",
            UIMessage.make("general.command.edit"),
            new TemplateViewParameters(ModifyTemplateItemsProducer.VIEW_ID, template.getId()));
      }
    }

    // EVALUATION DATES

    Date today = new Date();
    UIMessage.make(
        tofill,
        "current_date",
        "evalsettings.dates.current",
        new Object[] {dateFormat.format(today), timeFormat.format(today)});

    // retrieve the global setting for use of date only or date and time picker
    Boolean useDateTime = (Boolean) settings.get(EvalSettings.EVAL_USE_DATE_TIME);

    // Start Date
    UIBranchContainer showStartDate = UIBranchContainer.make(form, "showStartDate:");
    generateDateSelector(
        showStartDate,
        "startDate",
        evaluationOTP + "startDate",
        null,
        currentEvalState,
        EvalConstants.EVALUATION_STATE_ACTIVE,
        useDateTime);

    // Due Date
    UIBranchContainer showDueDate = UIBranchContainer.make(form, "showDueDate:");
    generateDateSelector(
        showDueDate,
        "dueDate",
        evaluationOTP + "dueDate",
        reOpenDueDate,
        currentEvalState,
        EvalConstants.EVALUATION_STATE_GRACEPERIOD,
        useDateTime);

    // Stop Date - Show the "Stop date" text box only if allowed in the System settings
    Boolean useStopDate = (Boolean) settings.get(EvalSettings.EVAL_USE_STOP_DATE);
    if (useStopDate) {
      UIBranchContainer showStopDate = UIBranchContainer.make(form, "showStopDate:");
      generateDateSelector(
          showStopDate,
          "stopDate",
          evaluationOTP + "stopDate",
          reOpenStopDate,
          currentEvalState,
          EvalConstants.EVALUATION_STATE_CLOSED,
          useDateTime);
    }

    // EVALUATION RESULTS VIEWING/SHARING

    // radio buttons for the results sharing options
    UISelect resultsSharingRadios =
        UISelect.make(
                form,
                "dummyRadioSharing",
                EvalToolConstants.EVAL_RESULTS_SHARING_VALUES,
                EvalToolConstants.EVAL_RESULTS_SHARING_LABELS_PROPS,
                evaluationOTP + "resultsSharing",
                null)
            .setMessageKeys();
    String resultsSharingId = resultsSharingRadios.getFullID();
    for (int i = 0; i < EvalToolConstants.EVAL_RESULTS_SHARING_VALUES.length; ++i) {
      UIBranchContainer radiobranch = UIBranchContainer.make(form, "resultsSharingChoice:", i + "");
      UISelectChoice choice = UISelectChoice.make(radiobranch, "radioValue", resultsSharingId, i);
      UISelectLabel.make(radiobranch, "radioLabel", resultsSharingId, i)
          .decorate(new UILabelTargetDecorator(choice));
    }

    // show the view date only if allowed by system settings
    if (((Boolean) settings.get(EvalSettings.EVAL_USE_VIEW_DATE)).booleanValue()) {
      UIBranchContainer showViewDate = UIBranchContainer.make(form, "showViewDate:");
      generateDateSelector(
          showViewDate,
          "viewDate",
          evaluationOTP + "viewDate",
          null,
          currentEvalState,
          EvalConstants.EVALUATION_STATE_VIEWABLE,
          useDateTime);
    }

    // all types of users view results on the same date or we can configure the results viewing
    // separately
    boolean sameViewDateForAll = (Boolean) settings.get(EvalSettings.EVAL_USE_SAME_VIEW_DATES);

    // Student view date
    Boolean studentViewResults = (Boolean) settings.get(EvalSettings.STUDENT_ALLOWED_VIEW_RESULTS);
    UIBranchContainer showResultsToStudents =
        UIBranchContainer.make(form, "showResultsToStudents:");
    generateSettingsControlledCheckbox(
        showResultsToStudents,
        "studentViewResults",
        evaluationOTP + "studentViewResults",
        studentViewResults,
        form,
        EvalUtils.checkStateAfter(currentEvalState, EvalConstants.EVALUATION_STATE_VIEWABLE, true));
    generateViewDateControl(
        showResultsToStudents,
        "studentsViewDate",
        evaluationOTP + "studentsDate",
        studentViewResults,
        useDateTime,
        sameViewDateForAll);

    // Instructor view date
    Boolean instructorViewResults =
        (Boolean) settings.get(EvalSettings.INSTRUCTOR_ALLOWED_VIEW_RESULTS);
    UIBranchContainer showResultsToInst = UIBranchContainer.make(form, "showResultsToInst:");
    generateSettingsControlledCheckbox(
        showResultsToInst,
        "instructorViewResults",
        evaluationOTP + "instructorViewResults",
        instructorViewResults,
        form,
        EvalUtils.checkStateAfter(currentEvalState, EvalConstants.EVALUATION_STATE_VIEWABLE, true));
    generateViewDateControl(
        showResultsToInst,
        "instructorsViewDate",
        evaluationOTP + "instructorsDate",
        instructorViewResults,
        useDateTime,
        sameViewDateForAll);

    // RESPONDENT SETTINGS

    // Student Allowed Leave Unanswered
    Boolean studentUnanswersAllowed =
        (Boolean) settings.get(EvalSettings.STUDENT_ALLOWED_LEAVE_UNANSWERED);
    UIBranchContainer showBlankQuestionAllowedToStut =
        UIBranchContainer.make(form, "showBlankQuestionAllowedToStut:");
    generateSettingsControlledCheckbox(
        showBlankQuestionAllowedToStut,
        "blankResponsesAllowed",
        evaluationOTP + "blankResponsesAllowed",
        studentUnanswersAllowed,
        form,
        EvalUtils.checkStateAfter(currentEvalState, EvalConstants.EVALUATION_STATE_ACTIVE, true));

    // Student Modify Responses
    Boolean studentModifyReponses = (Boolean) settings.get(EvalSettings.STUDENT_MODIFY_RESPONSES);
    UIBranchContainer showModifyResponsesAllowedToStu =
        UIBranchContainer.make(form, "showModifyResponsesAllowedToStu:");
    generateSettingsControlledCheckbox(
        showModifyResponsesAllowedToStu,
        "modifyResponsesAllowed",
        evaluationOTP + "modifyResponsesAllowed",
        studentModifyReponses,
        form,
        EvalUtils.checkStateAfter(currentEvalState, EvalConstants.EVALUATION_STATE_ACTIVE, true));

    // ADMIN SETTINGS SECTION

    UISelect authControlSelect =
        UISelect.make(
                form,
                "auth-control-choose",
                EvalToolConstants.AUTHCONTROL_VALUES,
                EvalToolConstants.AUTHCONTROL_LABELS,
                evaluationOTP + "authControl")
            .setMessageKeys();
    if (EvalUtils.checkStateAfter(currentEvalState, EvalConstants.EVALUATION_STATE_ACTIVE, true)) {
      RSFUtils.disableComponent(authControlSelect);
    }

    if (userAdmin) {
      // If the person is an admin (any kind), then we need to show these instructor opt in/out
      // settings

      UIMessage.make(
          form, "instructor-opt-instructions", "evalsettings.admin.settings.instructions");
      UIMessage.make(form, "instructor-opt-header", "evalsettings.instructor.opt.desc");

      // If "EvalSettings.INSTRUCTOR_MUST_USE_EVALS_FROM_ABOVE" is set as configurable
      // i.e. NULL in the database then show the instructor opt select box. Else just show the value
      // as label
      String instUseFromAboveValue =
          (String) settings.get(EvalSettings.INSTRUCTOR_MUST_USE_EVALS_FROM_ABOVE);
      if (instUseFromAboveValue == null
          || EvalToolConstants.ADMIN_BOOLEAN_CONFIGURABLE.equals(instUseFromAboveValue)) {
        UISelect instOpt =
            UISelect.make(
                    form,
                    "instructorOpt",
                    EvalToolConstants.INSTRUCTOR_OPT_VALUES,
                    EvalToolConstants.INSTRUCTOR_OPT_LABELS,
                    evaluationOTP + "instructorOpt")
                .setMessageKeys();
        if (EvalUtils.checkStateAfter(
            currentEvalState, EvalConstants.EVALUATION_STATE_INQUEUE, true)) {
          RSFUtils.disableComponent(instOpt);
        }
      } else {
        int index =
            ArrayUtil.indexOf(EvalToolConstants.INSTRUCTOR_OPT_VALUES, instUseFromAboveValue);
        String instUseFromAboveLabel = EvalToolConstants.INSTRUCTOR_OPT_LABELS[index];
        // Displaying the label corresponding to INSTRUCTOR_MUST_USE_EVALS_FROM_ABOVE value set as
        // system property
        UIMessage.make(form, "instructorOptLabel", instUseFromAboveLabel);
        // Doing the binding of this INSTRUCTOR_MUST_USE_EVALS_FROM_ABOVE value so that it can be
        // saved in the database
        form.parameters.add(
            new UIELBinding(evaluationOTP + "instructorOpt", instUseFromAboveValue));
      }
    }

    // EVALUATION REMINDERS SECTION

    // email available template link
    UIInternalLink.make(
        form,
        "emailAvailable_link",
        UIMessage.make("evalsettings.available.mail.link"),
        new EmailViewParameters(
            PreviewEmailProducer.VIEW_ID,
            null,
            EvalConstants.EMAIL_TEMPLATE_AVAILABLE,
            evaluation.getId()));

    // email reminder control
    UISelect reminderDaysSelect =
        UISelect.make(
                form,
                "reminderDays",
                EvalToolConstants.REMINDER_EMAIL_DAYS_VALUES,
                EvalToolConstants.REMINDER_EMAIL_DAYS_LABELS,
                evaluationOTP + "reminderDays")
            .setMessageKeys();
    if (EvalUtils.checkStateAfter(
        currentEvalState, EvalConstants.EVALUATION_STATE_GRACEPERIOD, true)) {
      RSFUtils.disableComponent(reminderDaysSelect);
    }

    // email reminder template link
    UIInternalLink.make(
        form,
        "emailReminder_link",
        UIMessage.make("evalsettings.reminder.mail.link"),
        new EmailViewParameters(
            PreviewEmailProducer.VIEW_ID,
            null,
            EvalConstants.EMAIL_TEMPLATE_REMINDER,
            evaluation.getId()));

    // email from address control
    String defaultEmail = (String) settings.get(EvalSettings.FROM_EMAIL_ADDRESS);
    UIMessage.make(
        form, "eval-from-email-note", "evalsettings.email.sent.from", new String[] {defaultEmail});
    UIInput.make(form, "reminderFromEmail", evaluationOTP + "reminderFromEmail");

    // EVALUATION EXTRAS SECTION
    Boolean categoriesEnabled = (Boolean) settings.get(EvalSettings.ENABLE_EVAL_CATEGORIES);
    if (categoriesEnabled) {
      UIBranchContainer extrasBranch = UIBranchContainer.make(form, "showEvalExtras:");

      // eval category
      if (categoriesEnabled) {
        UIBranchContainer categoryBranch = UIBranchContainer.make(extrasBranch, "showCategory:");
        UIInput.make(categoryBranch, "eval-category", evaluationOTP + "evalCategory");
        if (evaluation.getEvalCategory() != null) {
          UILink.make(
                  categoryBranch,
                  "eval-category-direct-link",
                  UIMessage.make("general.direct.link"),
                  commonLogic.getEntityURL(
                      EvalCategoryEntityProvider.ENTITY_PREFIX, evaluation.getEvalCategory()))
              .decorate(new UITooltipDecorator(UIMessage.make("general.direct.link.title")));
        }
      }
    }

    // EVAL SETTINGS SAVING CONTROLS
    // if this evaluation is already saved, show "Save Settings" button else this is the "Continue
    // to Assign to Courses" button
    String messageKey = "evalsettings.save.settings.link";
    if (EvalConstants.EVALUATION_STATE_PARTIAL.equals(evaluation.getState())) {
      messageKey = "evalsettings.continue.assigning.link";
    }
    if (reOpening) {
      messageKey = "evalsettings.reopening.eval.link";
    }
    UICommand.make(
        form,
        "continueAssigning",
        UIMessage.make(messageKey),
        actionBean + "completeSettingsAction");
    UIMessage.make(tofill, "cancel-button", "general.cancel.button");

    // this fills in the javascript call (areaId, selectId, selectValue, reminderId)
    // NOTE: RSF bug causes us to have to generate the ids manually
    // (http://www.caret.cam.ac.uk/jira/browse/RSF-65)
    UIInitBlock.make(
        tofill,
        "initJavascript",
        "EvalSystem.initEvalSettings",
        new Object[] {
          "evaluation_reminder_area",
          authControlSelect.getFullID() + "-selection",
          EvalConstants.EVALUATION_AUTHCONTROL_NONE,
          reminderDaysSelect.getFullID() + "-selection"
        });
  }