<?php

namespace App\Controllers\Admin;

use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Psr\Log\LoggerInterface;

class EcommerceController extends AdminController
{
    private $_service = null;
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        $this->_service = service('ecommerce');
        parent::initController($request, $response, $logger);
        $this->_viewPath .= strtolower($this->_service->getClassName());
    }

    protected function addCart_process()
    {
        //fieldData Rule 검사
        if (!$this->validate($this->_viewDatas['fieldRules'])) {
            throw new \Exception("장비구니 검증 오류발생\n" . implode("\n", $this->validator->getErrors()));
        }
        //fieldData 적용
        $this->_viewDatas['fieldDatas'] = array();
        foreach ($this->_viewDatas['fields'] as $field) {
            $this->_viewDatas['fieldDatas'] = $this->getFieldFormData($field);
        }
    }
    //장바구니에 담기
    public function addCart()
    {
        $msg = "";
        try {
            $this->_viewDatas['fields'] = $this->_service->getFields(__FUNCTION__);
            $this->_viewDatas['fieldRules'] = $this->_service->getFieldRules($this->_viewDatas['fields'], __FUNCTION__);
            //Transaction 시작
            $this->_service->transStart();
            $this->addCart_process();
            $this->_service->addCart($this->_viewDatas['fieldDatas']);
            //Transaction Commit
            $this->_service->transCommit();
            $msg = sprintf(
                "%s에서 해당 상품 %s개를 장바구니에 담았습니다.",
                $this->_viewDatas['title'],
                $this->_viewDatas['fieldDatas']['quantity']
            );
            return redirect()->to($this->_session->getFlashdata(SESSION_NAMES['RETURN_URL']));
        } catch (\Exception $e) {
            //Transaction Rollback
            $this->_service->transRollback();
            log_message("error", $e->getMessage());
            log_message("error", var_export($this->_viewDatas['fieldDatas'], true));
            $msg = sprintf(
                "%s에서 다음 오류로 인해 장바구니에 담기를 실패하였습니다.\n%s",
                $this->_viewDatas['title'],
                $e->getMessage()
            );
            return redirect()->to($this->_session->getFlashdata(SESSION_NAMES['RETURN_URL']));
        } finally {
            $this->_session->setFlashdata("return_message", $msg);
        }
    }
}