<?php
// define constants
define('PROJECT_DIR', realpath('./'));
define('LOCALE_DIR', PROJECT_DIR .'/locales');
define('DEFAULT_LOCALE', 'fr_FR');

require_once('../libs/php-gettext-1.0.11/gettext.inc');

$supported_locales = array('fr_FR', 'en_US', 'fr_FR.utf8', 'en_US.utf8');

// Set cookie to keep track of the active language
if (isset($_GET['lang'])) {
  // Langage is passed through URL parameters
  $lang = $_GET['lang'];
  setcookie('lang', $lang, time() + 3600*24, '/'); // Expires in 24h
}
elseif (isset($_COOKIE['lang']))
  $lang = $_COOKIE['lang'];


if (!isset($lang)) {
  // Use browser's locale
  $lang = substr($HTTP_SERVER_VARS['HTTP_ACCEPT_LANGUAGE'], 0, 2);
  if (!isset($lang) || !in_array($lang, $supported_locales)) // Default locale
    $lang = DEFAULT_LOCALE;
  //echo "isset($lang)   " + $lang;
  setcookie('lang', $lang, time() + 3600*24, '/'); // Expires in 24h
}

$encoding = 'UTF-8';
$locale = $lang;

// gettext setup
T_setlocale(LC_MESSAGES, $locale);
// Set the text domain as 'translation'
$domain = 'translation';
bindtextdomain($domain, LOCALE_DIR);
// bind_textdomain_codeset is supported only in PHP 4.2.0+
if (function_exists('bind_textdomain_codeset'))
  bind_textdomain_codeset($domain, $encoding);
textdomain($domain);

header("Content-type: text/html; charset=$encoding");
?>