<?php 

function mb_ucfirst($string)
{
    return mb_strtoupper(mb_substr($string, 0, 1)).mb_strtolower(mb_substr($string, 1));
}


$accepted_langs = glob(__DIR__ . '/locale/*' , GLOB_ONLYDIR);
$lang_names = array();
foreach ($accepted_langs as $key => $value) {
	$accepted_langs[$key] = basename($value);
}
	
foreach ($accepted_langs as $lang) {
	$lang_names[$lang] = mb_ucfirst(locale_get_display_language($lang, $lang));
}

if (!isset($_SESSION['locale'])||isset($_GET['lang']))
{
	if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
	    preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);

	    if (count($lang_parse[1])) {
	        $langs = array_combine($lang_parse[1], $lang_parse[4]);
	    	
	        foreach ($langs as $lang => $val) {
	            if ($val === '') $langs[$lang] = 1;
	        }

	        if (isset($_GET['lang']))
	        {
	        	$langs[$_GET['lang']] = 2;
	        }

	        arsort($langs, SORT_NUMERIC);
	    }
	}


	$langs = array_flip($langs);

	$best_match = false;

	foreach ($langs as $lang) {
		if (strlen($lang)>2){
			if (in_array($lang, $accepted_langs)){
				$best_match = $lang;
				break;
			}
		}else{
			$possible = array_filter($accepted_langs, function($key) {
				global $lang;
			    return strpos($key, $lang) === 0;
			});

			if (count($possible)){
				$best_match = $possible[0];
				break;
			}
		}
	}

	if ($best_match === false){
		$best_match = DEFAULT_LANGUAGE;
	}

	$_SESSION['locale'] = $best_match;
}


setlocale(LC_ALL, $_SESSION['locale'].".UTF-8");

bindtextdomain("server-status", __DIR__ . "/locale/");
bind_textdomain_codeset($_SESSION['locale'], "utf-8"); 
textdomain("server-status");