<?php

/**
 * @file
 * html.theme
 */

use Drupal\gin\GinContentFormHelper;
use Drupal\gin\GinNavigation;
use Drupal\gin\GinSettings;

/**
 * Implements hook_preprocess_HOOK() for html.
 */
function gin_preprocess_html(&$variables) {
  // Are we relevant?
  $gin_activated = _gin_is_active();

  if ($gin_activated) {
    // Get theme settings.
    /** @var \Drupal\gin\GinSettings $settings */
    $settings = \Drupal::classResolver(GinSettings::class);
    $toolbar = $settings->get('classic_toolbar');

    // Set accent color.
    $variables['attributes']['data-gin-accent'] = $settings->get('preset_accent_color');

    // Set focus color.
    $variables['attributes']['data-gin-focus'] = $settings->get('preset_focus_color');

    // High contrast mode.
    if ($settings->get('high_contrast_mode')) {
      $variables['attributes']['class'][] = 'gin--high-contrast-mode';
    }

    // Set layout density.
    $variables['attributes']['data-gin-layout-density'] = $settings->get('layout_density');

    // Edit form? Use the new Gin Edit form layout.
    if (\Drupal::classResolver(GinContentFormHelper::class)->isContentForm()) {
      $variables['attributes']['class'][] = 'gin--edit-form';
    }

    // Only add gin--classic-toolbar class if user has permission.
    if (!\Drupal::currentUser()->hasPermission('access toolbar')) {
      return;
    }

    // Gin secondary toolbar.
    if ($toolbar !== 'classic' || _gin_module_is_active('navigation')) {
      $variables['page']['gin_secondary_toolbar'] = [
        '#type' => 'toolbar',
        '#access' => \Drupal::currentUser()->hasPermission('access toolbar'),
        '#cache' => [
          'keys' => ['toolbar_secondary'],
          'contexts' => ['user.permissions'],
        ],
        '#attributes' => [
          'id' => 'toolbar-administration-secondary',
        ],
      ];
    }

    // Check if Navigation module is active.
    if (_gin_module_is_active('navigation')) {
      $variables['attributes']['class'][] = 'gin--core-navigation';
    }
    elseif ($toolbar === 'new') {
      /** @var \Drupal\gin\GinNavigaton $navigation */
      $navigation = \Drupal::classResolver(GinNavigation::class);
      // Get new navigation.
      $variables['page_top']['navigation'] = $navigation->getNavigationStructure();
      // Get active trail.
      $variables['#attached']['drupalSettings']['active_trail_paths'] = $navigation->getNavigationActiveTrail();
      // Set toolbar class.
      $variables['attributes']['class'][] = 'gin--navigation';
    }
    else {
      // Set toolbar class.
      $variables['attributes']['class'][] = 'gin--' . $toolbar . '-toolbar';
    }
  }
}

/**
 * Implements hook_preprocess_HOOK() for html__entity_browser__modal.
 */
function gin_preprocess_html__entity_browser__modal(&$variables) {
  gin_preprocess_html($variables);

  // Remove toolbar class in entity browser modal.
  if (isset($variables['attributes']['class'])) {
    $toolbar_class = preg_grep('/gin--(.*)-toolbar/', $variables['attributes']['class']);
    foreach ($toolbar_class as $key => $class) {
      unset($variables['attributes']['class'][$key]);
    }
  }
}
