<?php
/**
 * Setup
 *
 * @link http://www.egroupware.org
 * @package setup
 * @author Joseph Engo <jengo@phpgroupware.org>
 * @author Dan Kuykendall <seek3r@phpgroupware.org>
 * @author Mark Peters <skeeter@phpgroupware.org>
 * @author Miles Lott <milos@groupwhere.org>
 * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @version $Id$
 */

error_reporting(error_reporting() & ~E_NOTICE);

// for an old header, we need to setup the reference before including it
$GLOBALS['phpgw_info'] =& $GLOBALS['egw_info'];

$GLOBALS['egw_info'] = array(
	'flags' => array(
		'noheader' => True,
		'nonavbar' => True,
		'currentapp' => 'setup',
		'noapi' => True
));
if(file_exists('../header.inc.php'))
{
	include('../header.inc.php');
}
// for an old header we need to setup a reference for the domains
if (!is_array($GLOBALS['egw_domain'])) $GLOBALS['egw_domain'] =& $GLOBALS['phpgw_domain'];

if (!function_exists('version_compare'))//version_compare() is only available in PHP4.1+
{
	echo 'eGroupWare now requires PHP 4.1 or greater.<br>';
	echo 'Please contact your System Administrator';
	exit;
}

/*  If we included the header.inc.php, but it is somehow broken, cover ourselves... */
if(!defined('EGW_SERVER_ROOT') && !defined('EGW_INCLUDE_ROOT'))
{
	if (defined('PHPGW_SERVER_ROOT') && defined('PHPGW_INCLUDE_ROOT'))	// pre 1.2 install
	{
		define('EGW_SERVER_ROOT',PHPGW_SERVER_ROOT);
		define('EGW_INCLUDE_ROOT',PHPGW_INCLUDE_ROOT);
	}
	else	// no install
	{
		define('EGW_SERVER_ROOT','..');
		define('EGW_INCLUDE_ROOT','..');
		define('PHPGW_SERVER_ROOT','..');
		define('PHPGW_INCLUDE_ROOT','..');
	}
	define('EGW_API_INC',EGW_SERVER_ROOT.'/phpgwapi/inc');
}

require_once(EGW_INCLUDE_ROOT . '/phpgwapi/inc/common_functions.inc.php');

define('SEP',filesystem_separator());

/**
 * function to handle multilanguage support
 *
 */
function lang($key,$vars=null)
{
	if(!is_array($vars))
	{
		$vars = func_get_args();
		array_shift($vars);	// remove $key
	}
	return $GLOBALS['egw_setup']->translation->translate("$key", $vars);
}

/**
 * returns array of languages we support, with enabled set to True if the lang file exists
 */
function get_langs()
{
	$f = fopen('./lang/languages','rb');
	while($line = fgets($f,200))
	{
		list($x,$y) = split("\t",$line);
		$languages[$x]['lang']  = trim($x);
		$languages[$x]['descr'] = trim($y);
		$languages[$x]['available'] = False;
	}
	fclose($f);

	$d = dir('./lang');
	while($file=$d->read())
	{
		if(preg_match('/^(php|e)gw_([-a-z]+).lang$/i',$file,$matches))
		{
			$languages[$matches[2]]['available'] = True;
		}
	}
	$d->close();

	//print_r($languages);
	return $languages;
}

function lang_select($onChange=False,$ConfigLang='')
{
	if (!$ConfigLang)
	{
		$ConfigLang = get_var('ConfigLang',Array('POST','COOKIE'));
	}
	$select = '<select name="ConfigLang"'.($onChange ? ' onchange="this.form.submit();"' : '').'>' . "\n";
	$languages = get_langs();
	usort($languages,create_function('$a,$b','return strcmp(@$a[\'descr\'],@$b[\'descr\']);'));
	foreach($languages as $data)
	{
		if($data['available'] && !empty($data['lang']))
		{
			$short = substr($data['lang'],0,2);
			if ($short == $ConfigLang || $data['lang'] == $ConfigLang || empty($ConfigLang) && $short == substr($_SERVER['HTTP_ACCEPT_LANGUAGE'],0,2))
			{
				$selected = ' selected';
			}
			else
			{
				$selected = '';
			}
			$select .= '<option value="' . $data['lang'] . '"' . $selected . '>' . $data['descr'] . '</option>' . "\n";
		}
	}
	$select .= '</select>' . "\n";

	return $select;
}

if(file_exists(EGW_SERVER_ROOT.'/phpgwapi/setup/setup.inc.php'))
{
	include(EGW_SERVER_ROOT.'/phpgwapi/setup/setup.inc.php'); /* To set the current core version */
	/* This will change to just use setup_info */
	$GLOBALS['egw_info']['server']['versions']['current_header'] = $setup_info['phpgwapi']['versions']['current_header'];
}
else
{
	$GLOBALS['egw_info']['server']['versions']['phpgwapi'] = 'Undetected';
}

$GLOBALS['egw_info']['server']['app_images'] = 'templates/default/images';

CreateObject('setup.setup',True,True);	// setup constuctor assigns itself to $GLOBALS['egw_setup'], doing it twice fails on some php4
$GLOBALS['phpgw_setup'] =& $GLOBALS['egw_setup'];