<?php

    /**
     * The Legend of Z
     *
     * @author      Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
     * @copyright   2014 Heinrich-Heine-Universität Düsseldorf
     * @license     http://www.gnu.org/licenses/gpl.html
     * @link        https://bitbucket.org/coderkun/the-legend-of-z
     */

    namespace hhu\z\agents\toplevel;


    /**
     * Agent to return a JSON-string used by AJAX.
     * 
     * @author  Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
     */
    class AjaxAgent extends \hhu\z\agents\ToplevelAgent
    {


        /**
         * Construct a new AjaxAgent.
         * 
         * @param   \nre\core\Request   $request    Current request
         * @param   \nre\core\Response  $response   Current response
         * @param   \nre\core\Logger    $log        Logger instance
         */
        protected function __construct(\nre\core\Request $request, \nre\core\Response $response, \nre\core\Logger $log=null)
        {
            parent::__construct($request, $response, $log);


            $this->setLanguage($request);
        }


        /**
         * Action: index.
         * 
         * @param   \nre\core\Request   $request    Current request
         * @param   \nre\core\Response  $response   Current response
         */
        public function index(\nre\core\Request $request, \nre\core\Response $response)
        {
        }


        /**
         * Set requested language.
         * 
         * @param   \nre\core\Request   $request    Current request
         */
        private function setLanguage(\nre\core\Request $request)
        {
            // Set domain
            $domain = \nre\configs\AppConfig::$app['genericname'];

            // Get language
            $locale = $request->getGetParam('lang', 'language');
            if(is_null($locale)) {
                return;
            }

            // Load translation
            putenv("LC_ALL=$locale");
            setlocale(LC_ALL, $locale);
            bindtextdomain($domain, ROOT.DS.\nre\configs\AppConfig::$dirs['locale']);
            textdomain($domain);
        }

    }

?>