<?php
/**
 * @package         Regular Labs Library
 * @version         23.5.7450
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

use RegularLabs\Library\FieldGroup;

defined('_JEXEC') or die;

if ( ! is_file(JPATH_LIBRARIES . '/regularlabs/autoload.php'))
{
    return;
}

require_once JPATH_LIBRARIES . '/regularlabs/autoload.php';

class JFormFieldRL_HikaShop extends FieldGroup
{
    public $type = 'HikaShop';

    public function getCategories()
    {
        $query = $this->db->getQuery(true)
            ->select('COUNT(*)')
            ->from('#__hikashop_category')
            ->where('category_published > -1');
        $this->db->setQuery($query);
        $total = $this->db->loadResult();

        if ($total > $this->max_list_count)
        {
            return -1;
        }

        $query->clear()
            ->select('c.category_id')
            ->from('#__hikashop_category AS c')
            ->where('c.category_type = ' . $this->db->quote('root'));
        $this->db->setQuery($query);
        $root = (int) $this->db->loadResult();

        $query->clear()
            ->select('c.category_id as id, c.category_parent_id AS parent_id, c.category_name AS title, c.category_published as published')
            ->from('#__hikashop_category AS c')
            ->where('c.category_type = ' . $this->db->quote('product'))
            ->where('c.category_published > -1')
            ->order('c.category_ordering, c.category_name');
        $this->db->setQuery($query);
        $items = $this->db->loadObjectList();

        return $this->getOptionsTreeByList($items, $root);
    }

    public function getProducts()
    {
        $query = $this->db->getQuery(true)
            ->select('COUNT(*)')
            ->from('#__hikashop_product AS p')
            ->where('p.product_published = 1')
            ->where('p.product_type = ' . $this->db->quote('main'));
        $this->db->setQuery($query);
        $total = $this->db->loadResult();

        if ($total > $this->max_list_count)
        {
            return -1;
        }

        $query->clear('select')
            ->select('p.product_id as id, p.product_name AS name, p.product_published AS published, c.category_name AS cat')
            ->join('LEFT', '#__hikashop_product_category AS x ON x.product_id = p.product_id')
            ->join('INNER', '#__hikashop_category AS c ON c.category_id = x.category_id')
            ->group('p.product_id')
            ->order('p.product_id');
        $this->db->setQuery($query);
        $list = $this->db->loadObjectList();

        return $this->getOptionsByList($list, ['cat', 'id']);
    }

    protected function getInput()
    {
        $error = $this->missingFilesOrTables(['categories' => 'category', 'products' => 'product']);

        return $error ?: $this->getSelectList();
    }
}