namespace TbsSemi\DealReport\Handler;


use Bitrix\Crm\DealTable;
use Bitrix\Main\Config\Option;
use Bitrix\Main\Loader;

class Deal
{
    public static function addDealRelations($arFields)
    {
        if (!Loader::includeModule('crm')) {
            return;
        }

        $currentDealId = $arFields['ID'];

        $relatedDealsField = Option::get('tbssemi.dealreport', 'DEAL_SETTINGS_FIELD_RELATED_DEALS');
        $dealFields = DealTable::getList(array(
            'filter' => array(
                'ID' => $currentDealId,
            ),
            'select' => array('ID', $relatedDealsField),
        ))->fetch();

        if (empty($dealFields)) {
            return;
        }

        foreach ($dealFields[$relatedDealsField] as $relatedDeal) {
            $matches = array();
            preg_match(
                '/'. \CCrmOwnerTypeAbbr::Deal .'_(\d+)/i',
                $relatedDeal,
                $matches
            );

            $relatedDealId = $matches[1];
            if (empty($relatedDealId)) {
                continue;
            }

            $relatedDealFields = DealTable::getList(array(
                'filter' => array(
                    'ID' => $relatedDealId,
                ),
                'select' => array('ID', $relatedDealsField),
            ))->fetch();

            if (empty($relatedDealFields)) {
                continue;
            }

            $updateRelatedDeals = $relatedDealFields[$relatedDealsField];
            if (!is_array($updateRelatedDeals)) {
                $updateRelatedDeals = array();
            }

            $updateRelatedDeals[] = $currentDealId;

            DealTable::update($relatedDealId, array(
                $relatedDealsField => $updateRelatedDeals,
            ));
        }
    }
}