<?php

namespace App\Models;

use App\Customer;
use App\Libs\AlipayF2F;
use App\Manager;
use Illuminate\Support\Facades\Log;

class Refund extends SoftDeletesModel
{
    protected $table = "refund";
    protected $tryTimes = 3;

    public function getPaymentLabelAttribute()
    {
        $payment_label = $this->payment;
        switch ($this->payment) {
            case "weixin":
                $payment_label = "微信";
                break;
            case "alipay":
                $payment_label = "支付宝";
                break;
            case "cash":
                $payment_label = "现金";
                break;
        }
        return $payment_label;
    }

    public function customer()
    {
        return $this->belongsTo(Customer::class);
    }

    public function manager()
    {
        return $this->belongsTo(Manager::class);
    }

    public function order()
    {
        return $this->belongsTo(Orders::class)->withTrashed();
    }

    public function patient()
    {
        return $this->hasOneThrough(Patient::class, Orders::class, "id", "id", "order_id", "patient_id");
    }

    public function relatedRecharge()
    {
        return $this->belongsTo(Recharge::class, "recharge_id");
    }

    public function getSerial()
    {
        if ($this->serial) {
            return $this;
        }
        $serial = date("YmdHis", strtotime($this->created_at)) . sprintf("%06d", $this->id);
        $this->update(["serial" => $serial]);
        return $this;
    }

    /**
     * 计划任务自动退款
     */
    public function autoRefund()
    {
        $threshold = 5;
        $refunds = $this->with("relatedRecharge")->whereNull("paid_at")->where("payment", "<>", "cash")->where("try_times", "<", $this->tryTimes)->limit($threshold)->get();

        foreach ($refunds as $refund) {
            switch ($refund->relatedRecharge->payment) {
                case "weixin":
                    $refund->weixinRefund();
                    break;
                case "alipay":
                    $refund->alipayRefund();
                    break;
            }
        }
    }

    public function alipayRefund()
    {
        return (new AlipayF2F())->refund($this);
    }

    /**
     *
     * 申请微信退款，WxPayRefund中out_trade_no、transaction_id至少填一个且
     */
    public function weixinRefund()
    {
        $order = $this->order;
        $url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
        $CommonUtilPub = new \CommonUtilPub($order->project_id, $this->merchant_id);
        $WxPayConfPub = new \WxPayConfPub($order->project_id, $this->merchant_id);
        $inputObj = [];
        $inputObj["transaction_id"] = $this->relatedRecharge->payment_serial;
        $inputObj["out_refund_no"] = $this->serial;
        $inputObj["total_fee"] = $this->relatedRecharge->money * 100;
        $inputObj["refund_fee"] = $this->money * 100;
        $inputObj["nonce_str"] = $CommonUtilPub->createNoncestr();
        $inputObj["appid"] = $WxPayConfPub::$APPID;
        $inputObj["mch_id"] = $WxPayConfPub::$MCHID;
        $inputObj["sign"] = $CommonUtilPub->getSign($inputObj);

        $xml = $CommonUtilPub->arrayToXml($inputObj);
        $result = $CommonUtilPub->postXmlSSLCurl($xml, $url);

        $this->increment("try_times");
        try {
            $result = $CommonUtilPub->xmlToArray($result);

            if ($result["result_code"] == "SUCCESS") {
                dump("退款成功");
                $this->update([
                    "payment_serial" => $result["refund_id"],
                    "paid_at" => date("Y-m-d H:i:s")
                ]);
            } else {
                dump("退款失败");
                if ($result["err_code"] == "NOTENOUGH") {
                    $this->decrement("try_times");
                }
            }
            dump($result);
        } catch (\Exception $exception) {
            $msg = "在线退款失败，原因：" . $exception->getMessage();
            Log::info($msg);
            dd($msg);
            return false;
        }
    }
}