(#3) - templating

includes/Services/Forms/Handlers/RsvButtonElementHandler.php

@@ -5,7 +5,7 @@ class RsvButtonElementHandler implements RsvFormElementHandler {
     public function draw(RsvFormElementDefinition $element): void {
         ?>
         <div class="rsv-form-input-group rsv-form-input-short">
-            <button class="rsv-form-btn-primary"><?= $element->getLabel() ?></button>
+            <button class="rsv-form-btn rsv-form-btn-primary"><?= $element->getLabel() ?></button>
         </div>
         <?php
     }

includes/Services/Forms/Handlers/RsvFormElementHandler.php

@@ -1,6 +1,5 @@
 <?php
 
-
 interface RsvFormElementHandler {
     function draw(RsvFormElementDefinition $def) : void;
 

includes/Services/Forms/Handlers/RsvFormReservationElementHandler.php

@@ -14,7 +14,7 @@ class RsvFormReservationElementHandler implements RsvFormElementHandler {
         $name            = $element->getName();
         ?>
         <div class="rsv-form-input-group">
-            <label><?= esc_html($element->getLabel()) ?></label>
+            <label class="rsv-form-label"><?= esc_html($element->getLabel()) ?></label>
             <rsv-reservation-selector
                 timetable-id="<?= $timetable_id ?>"
                 name="<?= esc_attr($name) ?>"

includes/Services/Forms/RsvFormDefinition.php

@@ -7,8 +7,10 @@ class RsvFormDefinition {
 
     public string $email_key = "";
 
+    public string $success_message = "";
+
     /**
-     * @param array<int,mixed> $definition Full definition array including 'elements' and 'email_key'.
+     * @param array<int,mixed> $definition Full definition array including 'elements', 'email_key' and 'success_message'.
      */
     public function __construct(string $id, array $definition) {
         $this->_elements = [];
@@ -19,8 +21,9 @@ class RsvFormDefinition {
             }
         }
 
-        $this->_id       = $id;
-        $this->email_key = $definition['email_key'] ?? '';
+        $this->_id             = $id;
+        $this->email_key       = $definition['email_key'] ?? '';
+        $this->success_message = $definition['success_message'] ?? '';
     }
 
     public function getId(): string {
@@ -31,6 +34,11 @@ class RsvFormDefinition {
         return $this->email_key;
     }
 
+    /** Template shown to the visitor after a successful submission. */
+    public function getSuccessMessage(): string {
+        return $this->success_message;
+    }
+
 
     public function hasElements() : bool {
         return count($this->_elements) > 0;

includes/Services/Forms/RsvFormHtmlRenderer.php

@@ -1,5 +1,6 @@
 <?php
 
+use Reservair\Templating\RsvTemplateEngine;
 
 class RsvFormHtmlRenderer {
     public function draw(RsvFormDefinition $form): bool {
@@ -20,12 +21,37 @@ class RsvFormHtmlRenderer {
         <?php endforeach; ?>
 
         </form>
+        <?php $this->draw_success_template($form); ?>
         </div>
         <?php
 
         return true;
     }
 
+    /**
+     * Emits the admin-configured success message as an inert <template> that the
+     * client clones once the form is submitted. A <reservation-summary> element
+     * expands to a placeholder div that RsvFormSender fills with the visitor's
+     * selected slots.
+     */
+    private function draw_success_template(RsvFormDefinition $form): void {
+        $message = trim($form->getSuccessMessage());
+        if ($message === '') {
+            return;
+        }
+
+        global $rsv_template_registry;
+        $engine = new RsvTemplateEngine(registry: $rsv_template_registry);
+
+        // Sanitize admin HTML before rendering, allowing the registered template
+        // custom elements through so the engine can expand them.
+        $allowed = $rsv_template_registry->kses_allowed(wp_kses_allowed_html('post'));
+        $html    = $engine->render(wp_kses($message, $allowed));
+        ?>
+        <template class="rsv-form-success"><?= $html ?></template>
+        <?php
+    }
+
     public function draw_element(RsvFormElementDefinition $data): void {
         global $rsv_form_registry;