<?php

namespace Drupal\content_moderation\Entity\Handler;

use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Customizations for block content entities.
 *
 * @internal
 */
class BlockContentModerationHandler extends ModerationHandler {

  /**
   * {@inheritdoc}
   */
  public function enforceRevisionsEntityFormAlter(array &$form, FormStateInterface $form_state, $form_id) {
    $form['revision']['#default_value'] = TRUE;
    $form['revision']['#disabled'] = TRUE;
    $form['revision']['#description'] = $this->t('Revisions must be required when moderation is enabled.');
  }

  /**
   * {@inheritdoc}
   */
  public function enforceRevisionsBundleFormAlter(array &$form, FormStateInterface $form_state, $form_id) {
    $form['revision']['#default_value'] = 1;
    $form['revision']['#disabled'] = TRUE;
    $form['revision']['#description'] = $this->t('Revisions must be required when moderation is enabled.');
  }

  /**
   * {@inheritdoc}
   */
  public function isModeratedEntity(ContentEntityInterface $entity) {
    // Only reusable blocks can be moderated individually. Non-reusable or
    // inline blocks are moderated as part of the entity they are a composite
    // of.
    return $entity->isReusable();
  }

}