<?php

/**
 * @file
 * Contains install and update functions for Entity Embed.
 */

use Drupal\embed\Entity\EmbedButton;
use Drupal\Core\Utility\UpdateException;

/**
 * Convert entity embed buttons to embed buttons.
 *
 * @todo Can we reuse the existing UUID and save before deleting the old button?
 */
function entity_embed_update_8001() {
  $config_factory = \Drupal::configFactory();

  foreach ($config_factory->listAll('entity_embed.embed_button.') as $config_name) {
    $old_embed_button = $config_factory->getEditable($config_name);
    $values = $old_embed_button->getRawData();

    if (EmbedButton::load($values['id'])) {
      throw new UpdateException('Unable to convert entity_embed.embed_button.' . $values['id'] . ' to embed.button.' . $values['id'] . ' since the latter already exists.');
    }

    // Move some data around.
    $values['type_id'] = 'entity';
    $values['type_settings'] = [
      'entity_type' => $values['entity_type'],
      'bundles' => array_keys(array_filter($values['entity_type_bundles'])),
      'display_plugins' => array_keys(array_filter($values['display_plugins'])),
    ];
    $values['icon_uuid'] = $values['button_icon_uuid'];
    unset($values['entity_type']);
    unset($values['entity_type_bundles']);
    unset($values['display_plugins']);
    unset($values['button_icon_uuid']);

    // Save the new embed button and delete the old one.
    $embed_button = EmbedButton::create($values);
    $embed_button->save();
    $old_embed_button->delete();
  }
}

/**
 * Updates the default mode settings.
 */
function entity_embed_update_8002() {
  \Drupal::configFactory()
    ->getEditable('entity_embed.settings')
    ->set('rendered_entity_mode', TRUE)
    ->save();
}

/**
 * Updates allowed HTML for all filter format config entities that have an
 * Entity Embed button.
 */
function entity_embed_update_8003() {
  $buttons = \Drupal::entityTypeManager()->getStorage('embed_button')->loadMultiple();
  $filter_formats_with_embed_button = [];

  // Get filter formats from editors with entity embed button.
  foreach (\Drupal::entityTypeManager()->getStorage('editor')->loadMultiple() as $editor) {
    foreach (new RecursiveIteratorIterator(new RecursiveArrayIterator($editor->getSettings())) as $settings_value) {
      foreach ($buttons as $button) {
        if ($settings_value == $button->id()) {
          $filter_formats_with_embed_button[] = $editor->getFilterFormat();
        }
      }
    }
  }
  foreach ($filter_formats_with_embed_button as $filter_format) {
    foreach ($filter_format->filters()->getAll() as $filter) {
      if (isset($filter->getConfiguration()['settings']['allowed_html'])) {
        $allowed_html = $filter->getConfiguration()['settings']['allowed_html'];
        if (strpos($allowed_html, 'data-entity-embed-settings')) {
          $allowed_html = str_replace('data-entity-embed-settings', 'data-entity-embed-settings data-entity-embed-display-settings', $allowed_html);
          $filter_format->setFilterConfig($filter->getPluginId(), ['settings' => ['allowed_html' => $allowed_html]]);
          $filter_format->save();
        }
      }
    }
  }
}