class CKEditor5Plugin

class CKEditor5Plugin extends Plugin {
    
    /**
     * The CKEditor 5 aspects of the plugin definition.
     *
     * @var \Drupal\ckeditor5\Attribute\CKEditor5AspectsOfCKEditor5Plugin|null
     */
    public readonly ?CKEditor5AspectsOfCKEditor5Plugin $ckeditor5;
    
    /**
     * The Drupal aspects of the plugin definition.
     *
     * @var \Drupal\ckeditor5\Attribute\DrupalAspectsOfCKEditor5Plugin|null
     */
    public readonly ?DrupalAspectsOfCKEditor5Plugin $drupal;
    
    /**
     * Constructs a CKEditor5Plugin attribute.
     *
     * Overridden for compatibility with the AttributeBridgeDecorator, which
     * ensures YAML-defined CKEditor 5 plugin definitions are also processed by
     * attributes. Unfortunately it does not (yet) support nested attributes.
     * Force YAML-defined plugin definitions to be parsed by the attributes, to
     * ensure consistent handling of defaults.
     *
     * @see \Drupal\Component\Plugin\Discovery\AttributeBridgeDecorator::getDefinitions()
     *
     * @param string $id
     *   The plugin ID.
     * @param array|\Drupal\ckeditor5\Attribute\CKEditor5AspectsOfCKEditor5Plugin|null $ckeditor5
     *   (optional) The CKEditor 5 aspects of the plugin definition. Required
     *   unless set by deriver.
     * @param array|\Drupal\ckeditor5\Attribute\DrupalAspectsOfCKEditor5Plugin|null $drupal
     *   (optional) The Drupal aspects of the plugin definition. Required unless
     *   set by deriver.
     * @param class-string|null $deriver
     *   (optional) The deriver class.
     */
    public function __construct(string $id, array|CKEditor5AspectsOfCKEditor5Plugin|null $ckeditor5 = NULL, array|DrupalAspectsOfCKEditor5Plugin|null $drupal = NULL, ?string $deriver = NULL) {
        // If either of the two aspects of the plugin definition is in array form,
        // then this is a YAML-defined CKEditor 5 plugin definition. To avoid errors
        // due to violating either Attribute class constructor, verify basic data
        // shape requirements here. This provides a better DX for YAML-defined
        // plugins, and avoids the need for a PHP IDE or debugger.
        // @see \Drupal\ckeditor5\Plugin\CKEditor5PluginManager::processDefinition()
        // @see \Drupal\ckeditor5\Plugin\CKEditor5PluginDefinition::validateCKEditor5Aspects()
        // @see \Drupal\ckeditor5\Plugin\CKEditor5PluginDefinition::validateDrupalAspects()
        if (!$drupal instanceof DrupalAspectsOfCKEditor5Plugin) {
            if ($drupal === NULL) {
                throw new InvalidPluginDefinitionException($id, sprintf('The "%s" CKEditor 5 plugin definition must contain a "drupal" key.', $id));
            }
            // TRICKY: $this->deriver is incorrect due to AttributeBridgeDecorator!
            // If there's no deriver, validate here. Otherwise: the base definition is
            // allowed to be incomplete; let CKEditor5PluginManager::processDefinition
            // perform the validation.
            // @see \Drupal\ckeditor5\Plugin\CKEditor5PluginDefinition::getDeriver()
            // @see \Drupal\Component\Plugin\Discovery\AttributeBridgeDecorator::getDefinitions()
            if (!isset($drupal['deriver'])) {
                if (isset($drupal['label']) && !is_string($drupal['label']) && !$drupal['label'] instanceof TranslatableMarkup) {
                    throw new InvalidPluginDefinitionException($id, sprintf('The "%s" CKEditor 5 plugin definition has a "drupal.label" value that is not a string nor a TranslatableMarkup instance.', $id));
                }
                if (!$ckeditor5 instanceof CKEditor5AspectsOfCKEditor5Plugin) {
                    if ($ckeditor5 === NULL) {
                        throw new InvalidPluginDefinitionException($id, sprintf('The "%s" CKEditor 5 plugin definition must contain a "ckeditor5" key.', $id));
                    }
                    if (!isset($ckeditor5['plugins'])) {
                        throw new InvalidPluginDefinitionException($id, sprintf('The "%s" CKEditor 5 plugin definition must contain a "ckeditor5.plugins" key.', $id));
                    }
                }
            }
        }
        $this->ckeditor5 = is_array($ckeditor5) ? new CKEditor5AspectsOfCKEditor5Plugin(...$ckeditor5) : $ckeditor5;
        $this->drupal = is_array($drupal) ? new DrupalAspectsOfCKEditor5Plugin(...$drupal) : $drupal;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getClass() : string {
        return $this->drupal?->getClass() ?? '';
    }
    
    /**
     * {@inheritdoc}
     */
    public function setClass($class) : void {
        $this->drupal?->setClass($class);
    }
    
    /**
     * {@inheritdoc}
     */
    public function get() : CKEditor5PluginDefinition {
        return new CKEditor5PluginDefinition([
            'id' => $this->id,
            'ckeditor5' => $this->ckeditor5?->get(),
            'drupal' => $this->drupal?->get(),
            'provider' => $this->getProvider(),
        ]);
    }

}