<?php
declare(strict_types=1);

namespace Esun\LegacyOrder\Controller\Adminhtml\Order;

use Magento\Backend\App\Action;
use Magento\Framework\App\ResourceConnection;
use Magento\Framework\App\Action\HttpPostActionInterface;
use Magento\Framework\Controller\ResultFactory;

class Unlink extends Action implements HttpPostActionInterface
{
    public const ADMIN_RESOURCE = 'Esun_LegacyOrder::orders';
    public function __construct(Action\Context $context, private readonly ResourceConnection $resource){parent::__construct($context);}
    public function execute()
    {
        $id=(int)$this->getRequest()->getParam('id');
        try{if($id<=0)throw new \RuntimeException('Invalid legacy order.');$db=$this->resource->getConnection();$db->update($this->resource->getTableName('esun_legacy_order'),['customer_id'=>null,'link_status'=>'unlinked'],['legacy_order_id=?'=>$id]);$this->messageManager->addSuccessMessage(__('Customer link was removed.'));}catch(\Throwable$e){$this->messageManager->addErrorMessage($e->getMessage());}
        return$this->resultFactory->create(ResultFactory::TYPE_REDIRECT)->setPath('*/*/view',['id'=>$id]);
    }
}