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<?php
/**
 * Created by JetBrains PhpStorm.
 * User: ToanNK
 * Date: 9/1/15
 * Time: 2:31 PM
 * To change this template use File | Settings | File Templates.
 */

if (!is_numeric($_GET['id'])) die('Please specify a category ID');
$catId = $_GET['id'];

require_once dirname(dirname(dirname(__FILE__))) . '/app/Mage.php';
$app = Mage::app('admin');

/* Get new root Id */
$newRootId = 0;
$categoryCollection = Mage::getModel('catalog/category')->getCollection()->addAttributeToSelect('*')->addAttributeToFilter('name',array('eq'=>'Supps Express Root Category'));
if(count($categoryCollection)>0){
    $category = $categoryCollection->getFirstItem();
    $newRootId = $category->getId();
}

$local_path = dirname(dirname(dirname(__FILE__))) . '/app/etc/local.xml';
$xml = simplexml_load_file($local_path);
$host = $xml->global->resources->default_setup->connection->host;
$username = $xml->global->resources->default_setup->connection->username;
$password = $xml->global->resources->default_setup->connection->password;
$dbname = $xml->global->resources->default_setup->connection->dbname;
$res = mysql_pconnect($host, $username, $password);
mysql_select_db($dbname);

$catsDone = 0;
duplicate_entity($catId, $newRootId);
echo $catsDone . ' Categories duplicated.';

function duplicate_entity($id, $parent_id = null) {
    global $catsDone;

    // Grab category to copy
    $sql = "SELECT * FROM catalog_category_entity WHERE entity_id = " . $id;
    $query_entity = mysql_query($sql);
    $entity = mysql_fetch_object($query_entity);
    if (!$parent_id) $parent_id = $entity->parent_id;
    mysql_query("INSERT INTO catalog_category_entity (entity_type_id, attribute_set_id, parent_id, created_at, updated_at, path, position, level, children_count) VALUES ({$entity->entity_type_id}, {$entity->attribute_set_id}, {$parent_id}, NOW(), NOW(), '', {$entity->position}, {$entity->level}, {$entity->children_count})");

    $newEntityId = mysql_insert_id();
    $query = mysql_query("SELECT path FROM catalog_category_entity WHERE entity_id = " . $parent_id);
    $parent = mysql_fetch_object($query);
    $path = $parent->path . '/' . $newEntityId;
    mysql_query("UPDATE catalog_category_entity SET path='" . $path . "' WHERE entity_id=" . $newEntityId);
    foreach (array('datetime', 'decimal', 'int', 'text', 'varchar') as $dataType) {
        $sql = "SELECT * FROM catalog_category_entity_" . $dataType . " WHERE entity_id=" . $entity->entity_id;
        //die($sql);
        $query = mysql_query($sql);
        while ($value = mysql_fetch_object($query)) {
            mysql_query("INSERT INTO catalog_category_entity_" . $dataType . " (entity_type_id, attribute_id, store_id, entity_id, value) VALUES ({$value->entity_type_id}, {$value->attribute_id}, {$value->store_id}, {$newEntityId}, '{$value->value}')");
        }
    }
    $sql = "SELECT entity_id FROM catalog_category_entity WHERE parent_id = " . $id;
    $query = mysql_query($sql);
    while ($entity = mysql_fetch_object($query)) {
        duplicate_entity($entity->entity_id, $newEntityId);
    }
    $catsDone++;
}