<?php

namespace App\Controllers\Front;

use App\Entities\OrderEntity;
use App\Models\OrderModel;
use App\Models\ProductModel;
use CodeIgniter\Cookie\Exceptions\CookieException;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Psr\Log\LoggerInterface;

class OrderController extends FrontController
{
    private $_cart_cookie_name = "order_uids";
    private $_cart_cookie_delimeter = "|";
    private $_cart_cookie_expire = 3600; //1Hour
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        $this->_model = new OrderModel();
        parent::initController($request, $response, $logger);
        $this->_viewDatas['title'] = lang($this->_model->getClassName() . '.title');
        $this->_viewPath .= strtolower($this->_model->getClassName());
        helper($this->_model->getClassName());
        helper('cookie');
    }

    //쿠키에 장바구니에 담긴 Order UID를 추가해준다.
    private function setOrderCookie(OrderEntity $entity)
    {
        try {
            $order_uids = array();
            if (has_cookie($this->_cart_cookie_name)) {
                $order_uids = explode($this->_cart_cookie_delimeter, get_cookie($this->_cart_cookie_name));
            }
            // delete_cookie($this->_cart_cookie_name);
            set_cookie([
                'name'     => $this->_cart_cookie_name,
                'value'    => implode($this->_cart_cookie_delimeter, [...$order_uids, $entity->getPrimaryKey()]),
                'expire'   => time() + $this->_cart_cookie_expire,
                'domain'   => ".localhost",
                'path'     => '/',
            ]);
        } catch (CookieException $e) {
            throw new \Exception(__FUNCTION__ . "에서 오류발생:\n" . $e->getMessage());
        }
    }
    // private function setOrderCookie_ORG(OrderEntity $entity)
    // {
    //     $order_uids = array();
    //     if (isset($_COOKIE[$this->_cart_cookie_name])) {
    //         $order_uids = explode($this->_cart_cookie_delimeter, $_COOKIE[$this->_cart_cookie_name]);
    //     }
    //     // setcookie($this->_cart_cookie_name, time() - $this->_cart_cookie_expire);
    //     if (setcookie(
    //         $this->_cart_cookie_name,
    //         implode($this->_cart_cookie_delimeter, [...$order_uids, $entity->getPrimaryKey()]),
    //         time() + $this->_cart_cookie_expire,
    //         '/',
    //         '.localhost'
    //     )) {
    //         throw new \Exception(__FUNCTION__ . "에서 SetCookie 오류발생");
    //     }
    // }

    //장바구니에 담기
    protected function insert_process()
    {
        //fieldData Rule 검사및 fieldData 적용
        parent::insert_process();
        //상품재고 줄이기
        $productModel = new ProductModel();
        $product = $productModel->getEntity([$this->_model->getPrimaryKey() => $this->_viewDatas['fieldDatas']['product_uid']]);
        //구매 금액 비교
        $price = ($product->getPrice() - $product->getSale()) * $this->_viewDatas['fieldDatas']['quantity'];
        if ($price != $this->_viewDatas['fieldDatas']['price']) {
            throw new \Exception("실 상품금액{$price} 와 구매금액{$this->_viewDatas['fieldDatas']['price']}이 서로 다릅니다.");
        }
        $productModel->decreaseStock($product, $this->_viewDatas['fieldDatas']['quantity']);
    }
    public function insert()
    {
        $msg = "";
        try {
            $this->_viewDatas['fields'] = $this->_model->getFields(__FUNCTION__);
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], __FUNCTION__);
            $this->insert_process();
            //Transaction 시작
            $this->_model->transStart();
            $entity = $this->_model->create($this->_viewDatas['fieldDatas']);
            $this->setOrderCookie($entity);
            //Transaction Commit
            $this->_model->transComplete();
            $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->_model->transRollback();
            log_message("error", $e->getMessage());
            $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);
        }
    }
}