<?php
/**
 * This service file is part of item.
 *
 * @author   ctexthuang
 * @contact  ctexthuang@qq.com
 */

declare(strict_types=1);

namespace App\Service\Api\Order;

use App\Constants\Common\CouponCode;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class ConfirmationOrderService extends BaseOrderService
{

    public function __construct()
    {
        parent::__construct();
        $this->isAutoSelectCoupon = 1;
    }

    /**
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function handle(): array
    {
        $this->siteId = (int)$this->request->input('site_id');
        $this->couponId = (int)$this->request->input('coupon_id',0);
        $this->orderType = (int)$this->request->input('order_type');

        $this->check();

        $this->getCouponInfo();

        $this->compute();

        $this->autoSelectCoupon();

        $this->reloadCompute();

        return $this->return->success('success',$this->orderRes);
    }

    /**
     * @return void
     */
    private function autoSelectCoupon(): void
    {
        if ($this->couponId != 0) return;

        $noUseCoupon = $this->couponTemplateModel->getNoUseCouponByUserId($this->userId);

        if ($noUseCoupon->isEmpty()) return;

        $noUseCoupon = $noUseCoupon->toArray();

        $orderMaxPrice = max(array_column($this->orderRes['good'],'price'));
        $maxValidityEndTimeDate = max(array_column($noUseCoupon,'validity_end_time'));

        $filtered = array_filter($noUseCoupon, function($item) use($maxValidityEndTimeDate) {
            return $item['validity_end_time'] == $maxValidityEndTimeDate;
        });

        $selectMaxPrice = 0;
        $selectCouponInfo = [];
        foreach ($filtered as &$value) {
            $value['amount'] = match ($value['coupon_type']) {
                CouponCode::COUPON_TYPE_INSTANT_REDUCTION => $value['amount'],
                CouponCode::COUPON_TYPE_DISCOUNT => bcmul(bcsub("1", (string)$value['ratio'],2),(string)$orderMaxPrice,2),
                default => 0
            };

            if ($value['amount'] < $selectMaxPrice) continue;

            $selectMaxPrice = $value['amount'];
            $selectCouponInfo = $value;
        }

        $this->couponId = $selectCouponInfo['id'];
        $this->orderRes['coupon'] = $selectCouponInfo;
        $this->orderRes['coupon_id'] = $selectCouponInfo['id'];
    }


}