<?php

class action_plugin_codify extends DokuWiki_Action_Plugin {

  const THEME = [
    'default' => 'prism',
    'dark' => 'prism-dark',
    'funky' => 'prism-funky',
    'okaidia' => 'prism-okaidia',
    'twilight' => 'prism-twilight',
    'coy' => 'prism-coy',
    'solarizedlight' => 'prism-solarizedlight',
    'tomorrow' => 'prism-tomorrow',
  ];

  private function getTheme() {
    $value = $this->getConf('theme');

    if (isset(self::THEME[$value])) {
      return self::THEME[$value];
    }

    return self::THEME['default'];
  }

  public function register(Doku_Event_Handler $controller) {
    $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, '_hookjs');
  }

  public function _hookjs(Doku_Event $event, $param) {
    $pluginBase = DOKU_BASE.'lib/plugins';

    $theme = $this->getTheme();

    // BEGIN: Stylesheets
    $event->data['link'][] = array(
      'rel' => 'stylesheet',
      'href' => "https://cdn.jsdelivr.net/npm/prismjs@1.29.0/themes/{$theme}.min.css"
    );

    $event->data['link'][] = array(
      'rel' => 'stylesheet',
      'href' => 'https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/line-numbers/prism-line-numbers.min.css'
    );

    $event->data['link'][] = array(
      'rel' => 'stylesheet',
      'href' => $pluginBase.'/codify/codify.css'
    );
    // END: Stylesheets


    // BEGIN: Scripts
    $event->data['script'][] = array(
      'src' => 'https://cdn.jsdelivr.net/npm/prismjs@1.29.0/prism.min.js',
      // 'defer' => 'defer',
      '_data' => ''
    );

    $event->data['script'][] = array(
      'src' => 'https://cdn.jsdelivr.net/npm/prismjs@1.29.0/components/prism-core.min.js',
      // 'defer' => 'defer',
      '_data' => ''
    );

    $event->data['script'][] = array(
      'src' => 'https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/autoloader/prism-autoloader.min.js',
      // 'defer' => 'defer',
      '_data' => ''
    );

    $event->data['script'][] = array(
      'src' => 'https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/line-numbers/prism-line-numbers.min.js',
      // 'defer' => 'defer',
      '_data' => ''
    );

    $event->data['script'][] = array(
      'src' => $pluginBase.'/codify/codify.js',
      // 'defer' => 'defer',
      '_data' => ''
    );
    // END: Scripts
  }

}