<?php

namespace App\Libs;

use Exception;

use App\Models\Recharge;

class WxMicroPay extends WxPayCommon
{
    public $pay_url = "https://api.mch.weixin.qq.com/pay/micropay";

    function checkParameters()
    {
        if (!$this->parameters["out_trade_no"]) {
            throw new Exception("缺少必填参数out_trade_no！" . "<br>");
        } elseif (!$this->parameters["body"]) {
            throw new Exception("缺少必填参数body！" . "<br>");
        } elseif (!$this->parameters["total_fee"]) {
            throw new Exception("缺少必填参数total_fee！" . "<br>");
        } elseif (!$this->parameters["auth_code"]) {
            throw new Exception("缺少必填参数auth_code！" . "<br>");
        } elseif (!strlen($this->parameters["auth_code"]) != 18) {
            throw new Exception("支付码不正确！" . "<br>");
        }
    }

    /**
     *
     * 扫码支付，并且确认结果，接口比较慢
     * @param  $recharge
     */
    public function pay(Recharge $recharge)
    {
        //提交被扫支付
        $this->setParameter("out_trade_no", $recharge->serial);
        $this->setParameter("body", "充值{$recharge->money}元");
        $this->setParameter("total_fee", $recharge->money * 100);
        $this->setParameter("auth_code", request()->auth_code);

        $this->checkParameters();
        \Log::info($this->parameters);
        $xml = $this->createXml();
        $result = $this->postXmlCurl($xml, $this->pay_url);
        \Log::info($result);
        $result = $this->xmlToArray($result);

        //如果返回成功
        if (!array_key_exists("return_code", $result) || !array_key_exists("result_code", $result)) {
            throw new Exception("接口调用失败");
        }

        dd($result);

        return true;

        //取订单号
        $out_trade_no = $microPayInput->GetOut_trade_no();

        //②、接口调用成功，明确返回调用失败
        if ($result["return_code"] == "SUCCESS" &&
            $result["result_code"] == "FAIL" &&
            $result["err_code"] != "USERPAYING" &&
            $result["err_code"] != "SYSTEMERROR") {
            return false;
        }

        //③、确认支付是否成功
        $queryTimes = 10;
        while ($queryTimes > 0) {
            $succResult = 0;
            $queryResult = $this->query($out_trade_no, $succResult);
            //如果需要等待1s后继续
            if ($succResult == 2) {
                sleep(2);
                continue;
            } else if ($succResult == 1) {//查询成功
                return $queryResult;
            } else {//订单交易失败
                break;
            }
        }

        //④、次确认失败，则撤销订单
        if (!$this->cancel($out_trade_no)) {
            throw new WxpayException("撤销单失败！");
        }

        return false;
    }
}