<?php // encoding: utf-8
/*
Plugin Name: Theme Live Translator
*/

// enable strftime usage
$conf['use_strftime'] = true;

// Date Configuration (uses strftime)
$conf['date_format']['en'] = '%A %B %e%q, %Y';
$conf['date_format']['it'] = '%e %B %Y';

$conf['time_format']['en'] = '%I:%M %p';
$conf['time_format']['it'] = '%H:%M';

function my_parseURL($url) {
    $r  = '!(?:(\w+)://)?(?:(\w+)\:(\w+)@)?([^/:]+)?';
    $r .= '(?:\:(\d*))?([^#?]+)?(?:\?([^#]+))?(?:#(.+$))?!i';

    preg_match ( $r, $url, $out );
    $result = array(
        "scheme" => $out[1],
        "host" => $out[4].(($out[5]=='')?'':':'.$out[5]),
        "user" => $out[2],
        "pass" => $out[3],
        "path" => $out[6],
        "query" => $out[7],
        "fragment" => $out[8]
        );
    return $result;
}

function is_italian() {
	session_start();

	$request_uri = $_SERVER['REQUEST_URI'];
	$frags = my_parseURL($request_uri);

	$forceitalian = strpos($frags['query'], 'lang=it') !== FALSE || strpos($frags['path'], '/it') === 0;
	$forceenglish = strpos($frags['query'], 'lang=en') !== FALSE || (!$forceitalian && strpos($frags['path'], '/log') === FALSE && $frags['path'] != "/");

	if ($forceitalian) {
		$_SESSION['locale'] = 'it';
		return true;
	}
	if ($forceenglish) {
		$_SESSION['locale'] = 'en';
		return false;
	}

	$lang=split('[,;]',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
	$lang=strtoupper($lang[0]);
	$lang=split('[-]',$lang);
	if ($lang[0]=="IT") {
		return true;
	}

	if (isset($_SESSION['locale'])) {
		return $_SESSION['locale'] === 'it';
	}

	return false;
}

function is_english() {
	return !is_italian();
}

function my_localeForCurrentLanguage($locale){

	if (is_italian()) {
		$locale = array();
	    $locale[] = "it_IT.utf8";
	    $locale[] = "it_IT@euro";
	    $locale[] = "it_IT";
	    $locale[] = "it-IT.utf8";
	    $locale[] = "it-IT@euro";
	    $locale[] = "it-IT";
	    $locale[] = "it";
		setlocale(LC_ALL, $locale);
		return "it_IT";
	} else {
		$locale = array();
		$locale[] = "en_US.utf8";
	    $locale[] = "en_US@euro";
	    $locale[] = "en_US";
		$locale[] = "en";
		setlocale(LC_ALL, $locale);
		return "en_US";
	}
}

function my_strftime($format, $date) {
    // add date suffix ability (%q) to strftime
    $day = intval(trim(strftime("%e",$date)));
    $replace = 'th';
    if($day==1||$day==21||$day==31) $replace = 'st';
    if($day==2||$day==22) $replace = 'nd';
    if($day==3||$day==23) $replace = 'rd';
    $format = preg_replace("/([^%])%q/","$1".$replace,$format);
    return strftime($format, $date);
}

function localized_commentdate($old_date, $format ='') {
    global $comment;
	if (is_english()) {
		return ucwords(my_strftime("%A %B %e%q, %Y", mysql2date('U',$comment->comment_date)));
	} else {
		return ucwords(my_strftime('%A %e %B %Y', mysql2date('U',$comment->comment_date)));
	}
}

function localized_date($old_date, $format ='', $before = '', $after = '') {
	global $post;
	if (is_english()) {
		return ucwords(my_strftime("%A %B %e%q, %Y", mysql2date('U',$post->post_date)));
	} else {
		return ucwords(my_strftime('%A %e %B %Y', mysql2date('U',$post->post_date)));
	}
}

// Hooks (execution time critical filters)
add_filter('locale', 'my_localeForCurrentLanguage',99);
add_filter('get_comment_date',              'localized_commentdate',0,2);
add_filter('the_date',                      'localized_date',0,4);

?>