<?php

/**
 * @file
 * CKEditor IndentBlock install file.
 */

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

  if ($phase == 'install' || $phase == 'runtime') {
    if (!function_exists('libraries_get_path')) {
      module_load_include('module', 'libraries');
    }
    $plugin_path = libraries_get_path('indentblock') . '/plugin.js';
    $plugin_detected = file_exists($plugin_path);

    if ($plugin_detected) {
      $requirements['indentblock'] = [
        'title' => t('CKEditor IndentBlock'),
        'value' => t('Plugin detected'),
        'severity' => REQUIREMENT_OK,
      ];
    }
    else {
      $requirements['indentblock'] = [
        'title' => t('CKEditor IndentBlock'),
        'value' => t('Plugin not detected'),
        'severity' => REQUIREMENT_ERROR,
        'description' => t('You will need to install the "Indent Block" CKEditor plugin under the libraries path before enabling this module. <a href=":plugin_url">Get the plugin from CKEditor.com</a>.', [':plugin_url' => 'http://ckeditor.com/addon/indentblock']),
      ];
    }
  }

  return $requirements;
}