<?php

/**
 * @file
 * Requirements page for Font Awesome.
 */

use Drupal\Core\Link;

/**
 * Implements hook_requirements().
 */
function fontawesome_requirements($phase) {
  $requirements = [];

  // Report the version of Font Awesome.
  if ($phase == 'runtime') {
    $requirements['fontawesome'] = [
      'title' => t('Font Awesome 5'),
    ];

    // Load the configuration settings.
    $configuration_settings = \Drupal::config('fontawesome.settings');

    // Check if we are loading assets.
    if (!$configuration_settings->get('load_assets')) {
      $requirements['fontawesome']['severity'] = REQUIREMENT_OK;
      $requirements['fontawesome']['value'] = t('Library being loaded manually');
      $requirements['fontawesome']['description'] = t('The Font Awesome module is configured not to load the Font Awesome library. If this is an error, please see the @adminPage and the Font Awesome module README file for more details.', [
        '@adminPage' => Link::createFromRoute(t('admin page'), 'fontawesome.admin_settings')->toString(),
      ]);
    }
    // Check if Font Awesome is installed.
    elseif (fontawesome_check_installed()) {
      // Get the version.
      if ($configuration_settings->get('method') == 'webfonts') {
        $version = t('Webfonts with CSS');
      }
      elseif ($configuration_settings->get('use_cdn')) {
        $version = t('CDN SVG with JS');
      }
      else {
        $version = t('SVG with JS');
      }

      // First check if we're using everything.
      if (is_null($configuration_settings->get('use_solid_file')) === TRUE || ($configuration_settings->get('use_solid_file') && $configuration_settings->get('use_regular_file') && $configuration_settings->get('use_light_file') && $configuration_settings->get('use_brands_file'))) {
        // Attach the main library.
        $loadedMessages = [
          t('All icons loaded'),
        ];
      }
      // Else we attach the libraries piecemeal.
      else {
        $loadedMessages = [];
        if ($configuration_settings->get('use_solid_file')) {
          $loadedMessages[] = t('Solid icons loaded');
        }
        if ($configuration_settings->get('use_regular_file')) {
          $loadedMessages[] = t('Regular icons loaded');
        }
        if ($configuration_settings->get('use_light_file')) {
          $loadedMessages[] = t('Light icons loaded');
        }
        if ($configuration_settings->get('use_brands_file')) {
          $loadedMessages[] = t('Brands icons loaded');
        }
      }

      $requirements['fontawesome']['severity'] = REQUIREMENT_OK;
      $requirements['fontawesome']['value'] = t('Font Awesome 5 library is installed. Using %version version. (@moreInfoLink)', [
        '%version' => $version,
        '@moreInfoLink' => Link::createFromRoute(t('more information'), 'fontawesome.admin_settings')->toString(),
      ]);
      $requirements['fontawesome']['description'] = [
        '#theme' => 'item_list',
        '#items' => $loadedMessages,
        '#title' => '',
        '#list_type' => 'ul',
        '#attributes' => [],
      ];
    }
    else {
      $requirements['fontawesome']['severity'] = REQUIREMENT_ERROR;
      $requirements['fontawesome']['value'] = t('Not installed');
      $requirements['fontawesome']['description'] = t('The Font Awesome 5 library could not be found. If you want this module to handle loading your FontAwesome assets, please verify Font Awesome 5 is installed correctly or that the CDN has been activated and properly configured. Please see the @adminPage and the Font Awesome module README file for more details.', [
        '@adminPage' => Link::createFromRoute(t('admin page'), 'fontawesome.admin_settings')->toString(),
      ]);
    }
  }

  return $requirements;
}

/**
 * Implements hook_uninstall().
 */
function fontawesome_uninstall() {
  // Delete set variables.
  $query = \Drupal::database()->delete('config');
  $query->condition('name', 'fontawesome.settings');
  $query->execute();
  $query = \Drupal::database()->delete('key_value');
  $query->condition('name', 'fontawesome');
  $query->execute();

  // Icon API module : Delete fontawesome icon bundle & clear cache.
  if (\Drupal::moduleHandler()->moduleExists('icon') && ($cache = \Drupal::cache()->get('icon_bundles')) && !empty($cache->data)) {
    $fa_icon_bundle = isset($cache->data['fontawesome']) ? $cache->data['fontawesome'] : [];
    $fa_icon_bundle['path'] = isset($fa_icon_bundle['path']) ? $fa_icon_bundle['path'] : 'fontawesome';
  }
}

/**
 * Add new config for explicitly allowing module to load FontAwesome assets.
 */
function fontawesome_update_8001() {
  $config_factory = \Drupal::configFactory();
  $config = $config_factory->getEditable('fontawesome.settings');
  $config->set('load_assets', TRUE);
  $config->save(TRUE);
}