<?php

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

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

  // Report the version of Font Awesome.
  if ($phase == 'runtime') {
    // Make sure Libraries is loaded before loading Font Awesome.
    drupal_load('module', 'libraries');
    $fontawesome = libraries_detect(FONTAWESOME_LIBRARY . '_svg');

    $requirements['fontawesome'] = array(
      'title' => $fontawesome['name'],
    );

    // Get translator.
    $t = get_t();

    // Don't really check for Font Awesome if we are using the CDN version.
    $settings = variable_get('fontawesome_external', array(
      'use_cdn' => TRUE,
      'external_location' => '',
    ));
    if ($settings['use_cdn']) {
      $requirements['fontawesome']['severity'] = REQUIREMENT_OK;
      $requirements['fontawesome']['value'] = $t('Using CDN version: ') . $settings['external_location'];
    }
    else {
      if ($fontawesome['installed']) {
        $requirements['fontawesome']['severity'] = REQUIREMENT_OK;
        $requirements['fontawesome']['value'] = $t('Local version: @version', array(
          '@version' => $fontawesome['version'],
        ));
      }
      else {
        $requirements['fontawesome']['severity'] = REQUIREMENT_WARNING;
        $requirements['fontawesome']['value'] = $fontawesome['error message'];
      }
    }
    $requirements['fontawesome']['value'] .= ' (' . l($t('settings'), 'admin/config/content/fontawesome') . ')';
  }

  return $requirements;
}

/**
 * Implements hook_install().
 */
function fontawesome_uninstall() {
  // Delete set variables.
  db_delete('variable')
    ->condition('name', db_like('fontawesome_') . '%', 'LIKE')
    ->execute();

  // Icon API module : Delete fontawesome icon bundle & clear cache.
  if (module_exists('icon') && ($cache = cache_get('icon_bundles')) && !empty($cache->data)) {
    $fa_icon_bundle = isset($cache->data['fontawesome']) ? $cache->data['fontawesome'] : array();
    $fa_icon_bundle['path'] = isset($fa_icon_bundle['path']) ? $fa_icon_bundle['path'] : 'fontawesome';
    icon_bundle_delete($fa_icon_bundle);
  }
}