<?php

namespace Common\Business;

use Common\Model\RetailBillOrderModel;
//[1.8.68]
/**
 * 支付退款成功回调类
 * Class PaymentRefund
 * [
 * 第三方退款成功回调 paymentRefund
 * 微信退款的代金券信息 wxRefund
 * 第三方退款成功回调的参数验证 paymentRefundVerify
 * ]
 * @package Common\Business
 */
class PaymentRefund
{
    /**
     * 第三方退款成功回调（暂只支持微信代金券处理）
     * @param $param
     * {
     * old_pay_order_id 原支付订单id
     * merchant_id
     * refund_info 退款信息
     * type 1线上  2线下
     * }
     * @return mixed
     * [
     * pay_coupon_id_str 代金券id
     * pay_coupon_fee 代金券优惠总金额 单位元
     * cash_fee 微信的现金金额 指客户实际付款或退款金额
     * ]
     */
    public function paymentRefund($param)
    {
        //参数验证
        $verifyResult = $this->paymentRefundVerify($param);
        if ($verifyResult['status'] != 1) {
            return $verifyResult;
        }
        $result = $this->wxRefund($param);
        return $result;
    }


    /**
     * 微信退款的代金券信息
     * @param $param
     * {
     * old_pay_order_id 原支付订单id
     * merchant_id
     * refund_info 退款信息
     * type  1线上  2线下
     * }
     * @return mixed
     */
    public function wxRefund($param)
    {
        $merchant_id = $param['merchant_id'];
        $type = $param['type'];
        $refund_info = $param['refund_info'];
        $old_pay_order_id = $param['old_pay_order_id'];
        switch ($type) {
            case 1:
            case 2:
                //线下
                $PayCouponClass = new PayCoupon();
                $result = $PayCouponClass->couponVerification_v1(json_encode([
                    'merchant_id' => $merchant_id,
                    'pay_info' => $refund_info,
                    'coupon_way' => 2, //退款
                    'old_pay_order_id'=>$old_pay_order_id
                ]));
                break;
        }
        return $result;
    }


    /**
     * 第三方退款成功回调
     * @param $param
     * {
     * merchant_id
     * refund_info 退款信息
     * }
     * @return mixed
     */
    public function paymentRefundVerify(&$param)
    {
        $param = json_decode($param, true);
        if (!is_array($param)) {
            return callBack(statusCode()['error'], '退款详情有误');
        }
        if (empty($param['merchant_id'])) {
            return callBack(statusCode()['error'], '身份验证失败');
        }
        if (empty($param['refund_info'])) {
            return callBack(statusCode()['error'], '退款信息有误');
        }
        return callBack(statusCode()['success'], '验证通过');
    }
}