<?php
/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

function update_customer_default_group()
{
    $filename = _PS_ROOT_DIR_.'/config/defines.inc.php';
    $filename_old = str_replace('.inc.', '.old.', $filename);
    copy($filename, $filename_old);
    chmod($filename_old, 0664);
    $content = file_get_contents($filename);
    $pattern = "/define\('_PS_DEFAULT_CUSTOMER_GROUP_', (\d)\);/";
    preg_match($pattern, $content, $matches);
    if (!defined('_PS_DEFAULT_CUSTOMER_GROUP_')) {
        define('_PS_DEFAULT_CUSTOMER_GROUP_', ((isset($matches[1]) and is_numeric($matches[1]))? $matches[1] : 3));
    }
    $ps_customer_group = DB::getInstance()->getValue('SELECT value FROM `'._DB_PREFIX_.'configuration` WHERE name = "PS_CUSTOMER_GROUP"', false);
    if ($ps_customer_group) {
        $str_old = 'define(\'_PS_DEFAULT_CUSTOMER_GROUP_\', '.(int)_PS_DEFAULT_CUSTOMER_GROUP_.');';
        $str_new = 'define(\'_PS_DEFAULT_CUSTOMER_GROUP_\', '.(int)$ps_customer_group.');';
        $content = str_replace($str_old, $str_new, $content);
    }

    $carriers = Db::getInstance()->executeS('
	SELECT `id_carrier`
	FROM `'._DB_PREFIX_.'carrier`
	WHERE `deleted` = 0');

    $groups = Db::getInstance()->executeS('
	SELECT `value` as id_group
	FROM `'._DB_PREFIX_.'configuration`
	WHERE `name` IN (\'PS_UNIDENTIFIED_GROUP\', \'PS_GUEST_GROUP\')');


    if (count($carriers) && is_array($carriers) && count($groups) && is_array($groups)) {
        foreach ($carriers as $carrier) {
            foreach ($groups as $group) {
                Db::getInstance()->execute('
				INSERT IGNORE INTO `'._DB_PREFIX_.'carrier_group`
				VALUES ('.(int)$carrier['id_carrier'].', '.(int)$group['id_group'].')');
            }
        }
    }
    
    $result = false;
    if (file_exists($filename) && is_writable($filename)) {
        $result = (bool)file_put_contents($filename, $content);
        if ($result && file_exists($filename_old)) {
            unlink($filename_old);
            @chmod($filename, 0664);
        }
    }
    return $result;
}