<?php

namespace App\ServicePay\Sycpay;

use Illuminate\Support\Facades\Log;

class Sanyecaopay
{
    protected $token;//token
    protected $mch_id;//商户号
    protected $config;
    static public $instance;//声明一个静态变量（保存在类中唯一的一个实例）

    private function __construct($config)
    {
        $this->token = $config['token'];
        $this->mch_id = $config['mch_id'];
        $this->config = $config;

    }

    public static function make($config)
    {
        if (!self::$instance) self::$instance = new self($config);
        return self::$instance;
    }

    /**
     * 生成签名字符串
     * @param array $requestData 需要签名的数组
     * @param $payKey 私钥
     * @return string
     * @deprecated
     */
    public function md5Sign( array $requestData = array(),$payKey){
        ksort($requestData);
        $keyVal='';
        foreach ($requestData as $key => $val) {
            $keyVal.=$key."=".$val."&";
        }
        $keyVal=$keyVal."key=".$payKey;
        return strtoupper(md5($keyVal));
    }

    /**
     * 验证签名
     * @param array $requestData 需要签名的数组
     * @param $payKey 私钥
     * @param $sign 签名结果
     * @return string
     * @deprecated
     */
    public function md5Verify(array $requestData = array(),$payKey, $sign) {
        ksort($requestData);
        $keyVal='';
        foreach ($requestData as $key => $val) {
            $keyVal.=$key."=".$val."&";
        }
        $keyVal=$keyVal."key=".$payKey;
        $mysgin = strtoupper(md5($keyVal));

        if($mysgin == $sign) {
            return true;
        }
        else {
            return false;
        }
    }

    /**
     * 统一下单
     * @param $pay_data
     * @return array
     */
    public function orderBuy($pay_data)
    {
//        $request = [
//            'orderNo' => $pay_data['orderNo'], //商户订单号，最大长度60个字符
//            'customerId' => $pay_data['customerId'], //客户交易者账号
//            'orderCurrency' => $pay_data['orderCurrency'], //订单币种，固定值：USDT或CNY
//            'orderAmount' => $pay_data['orderAmount'], //订单金额，USDT单位为个，CNY单位为元
//            'receiveUrl' => $this->config['notify_url'], //  通知回调地址
//            'pickupUrl' => $this->config['return_url'] . '?orderNo=' . $pay_data['orderNo'], //  交易完成后跳转URL
//            'signType' => 'MD5', //固定值不要改
//        ];

        //商户号
        $accountId = $this->mch_id;
        //商户秘钥
        $key = $this->token;
        $payData=array();
        //商户
        $payData['accountId']=$accountId;
        //支付类型
        $payData['payType']='1';
        //订单号
        $payData['orderId']=$pay_data['orderNo'];
        //商品名称
        $payData['commodity']='商品'.mt_rand(100000,999999);
        //接口参数---其他支付接口参数请查看接口文档
        $payData['interface'] = $this->config['interface'];
        //订单金额（元）
        $payData['amount']=$pay_data['orderAmount'];
        //用户请求ip
        $payData['requestIp']='127.0.0.1';
        //异步回调地址
        $payData['notifyUrl']=$this->config['notify_url'];

        $sign = $this->md5Sign($payData,$key);  //签名
        $payData['sign'] = $sign;
        Log::channel('pay_order')->info(json_encode($payData,true), []);
        $req=$this->httpPost($this->config['url'],$payData);
        return  $req;
    }

    /*
     * 发送对象数据
     * @param $url 请求url
     * @param $jsonStr 发送数组
     * @return string
     */
    private function httpPost($url, $param)
    {
        if (empty($url) || empty($param)) {
            return false;
        }
        $param = http_build_query($param);
        try {
            $ch = curl_init();//初始化curl
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS,$param);
            curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            //正式环境时解开注释
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            $data = curl_exec($ch);//运行curl
            curl_close($ch);
            if (!$data) {
                throw new \Exception('请求出错');
            }
            return $data;
        } catch (\Exception $e) {
            Log::channel('pay_order')->info('$this->config=>'.$e->getMessage(), []);
            return false;
        }
    }

    /**
     * 检查订单
     * @param $order
     * @return bool|string
     */
    public function checkOrder($order){
        $url = 'http://www.shanyecaozf.com/gateway/Pay/order_query.html';
        $payData['accountId'] = $this->mch_id;
        $payData['orderId'] = $order['orderNo'];
        $key = $this->token;
        $sign = $this->md5Sign($payData, $key);
        $payData['sign'] = $sign;
        $res = $this->httpPost($url, $payData);
        $res = is_array($res) ? $res : json_decode($res, 256);
        if ($res['status'] == 1) {
            if ($res['data']['trade_status'] == 200 && $res['data']['out_trade_no']==$order['orderNo']) {
                return true;
            }
        }
        return false;
    }

    /**
     * @param $para
     * @return bool|mixed
     * @deprecated
     */
    public function checkSign($para)
    {
        $sign = $para['sign'];
        unset($para['sign']);
        $sign = $this->md5Verify($para, $this->token, $sign);
        return $sign;
    }
}