<?php

namespace App\Http\Controllers\Gateway;

use App\Models\Payment;
use Auth;


use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Response;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;


class bypay extends AbstractPayment
{

    public function purchase(Request $request): JsonResponse
    {
        $payment = $this->creatNewPayment(Auth::id(), $request->input('id'), $request->input('amount'));

//        switch ($request->input('type')) {
//            case 2:
//                $type = 'qqpay';
//                break;
//            case 3:
//                $type = 'wxpay';
//                break;
//            case 1:
//            default:
//                $type = 'alipay';
//                break;
//        }

        /*
        merchantId	商户号-平台统一提供的唯一ID号	true	string
merchantOrderId	商户订单号[自行维护唯一性]	true	string
payCode	支付编码[alipay]|JD|zfb|wx]	true	string
amount	支付金额(单位：元) 可以0.01元	true	string
callbackUrl	异步通知地址	true	string
notifyUrl	同步跳转地址	false	string
userLocalIp	用户IP	true	string
sign	签名[参考平台签名算法]	true	string
ext	附加参数[异步通知原路返回]	false	string
SHA256 签名介绍
第一步，设所有发送或者接收到的数据为集合M，将集合M内的[参数名]按照参 ASCII 码从小到大排序（字典序）
第二步，使用 URL 键值对的格式（即 key1=value1&key2=value2…），将集合M内参数值，拼接成字符串 stringA; 参数中 sign 不参与签名
第三步，在 stringA 的最后拼接上 "&key=商户密钥值"，得到字符串 stringB
第四步，对 stringB 进行 SHA256 运算，得到 stringC
第五步，将字符串 stringC 转换为大写，最后得到 签名值 sign
*/
        $key = "e7c359e9146345de86a41a099cacd67f";
        $data = [
            'merchantId' => "1654045635701374976",
            'merchantOrderId' => $payment->trade_no,
            'payCode' => "wgzfbsm",
            'amount' => $payment->amount,
            'userLocalIp' => "192.178.31.34",
            'notifyUrl' => route('invoice'),
            'callbackUrl' => route('payment.notify', ['method' => 'bypay']),
        ];
    
        $str = $this->sortParams($data) . '&key=' . $key; //stringB
        Log::info("[BYPZ]请求支付接口". var_export($str, true));
   
        $StringC = strtolower($this->sha256($str));
        Log::info("[BYPZ]请求支付接口". var_export($StringC, true));
        $data['sign'] = strtoupper($StringC); //stringC
     
        Log::info("[BYPZ]请求支付接口". var_export($data, true));
        $postData = json_encode($data);
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, "https://bjzf88.vip/api/unifiedOrder/v2");
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
            curl_setopt($curl, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/json',
            'Content-Length: ' . strlen($postData))
        );
 
        $res = curl_exec($curl);
        curl_close($curl);
        $result = json_decode($res, true);
        if (!$result) {
            return Response::json(['status' => 'success', 'url' => "", 'message' => '网络异常!']);
        }

        Log::info("[BYPZ]请求支付接口". var_export($result, true));
        if ($result["status"] != 200){
            return Response::json(['status' => 'fail', 'message' => '创建订单失败!'.$result['error']]);
        }
        return Response::json(['status' => 'success', 'url' => $result['data'], 'message' => '创建订单成功!']);


    }

    public function notify(Request $request): void
    {
        $postData = file_get_contents('php://input'); 
        $result = json_decode($postData,true);
        Log::info("[BYPZ]回调内容1". var_export($result, true));
        $notifyData = [
          'merchantId'=>$result['merchantId'],
          'merchantOrderId'=>$result['merchantOrderId'],
          'orderId'=>$result['orderId'],
          'amount'=>$result['amount'],
          'factAmount'=>$result['factAmount'],
          'ext'=>$result['ext'],
          'state'=>$result['state'],
          'sign'=>$result['sign']
        ];
        if ($this->verifySign($notifyData)){
            exit('fail');
        }
        
        Log::info("[BYPZ]回调内容". var_export($notifyData, true));
        
        if ($this->paymentReceived($notifyData['merchantOrderId'])  ) {
            $this->addPamentCallback($notifyData['merchantOrderId'] ,$notifyData['orderId'] ,"");
            Log::info('【BYPZ】paymentReceived：'.var_export($request->all(), true));
            exit('success');
        }
    }

    function ASCII($params = array()){
		//ksort()对数组按照键名进行升序排序
		ksort($params);
        //reset()内部指针指向数组中的第一个元素
		reset($params);
		$str = http_build_query($params);
		return $str;
	}
 
    function verifySign($params)
    {
        $key = "e7c359e9146345de86a41a099cacd67f";
        $sign = $params['sign'];
        unset($params['sign']);
        ksort($params);
        $str = $this->sortParams($params) . '&key='.$key;
        $StringC = strtolower($this->sha256($str));
        if ($sign !== strtoupper($StringC)) {
            return false;
        }
        return $str;

        // 剃离sign，sign_type，空值
//        unset($data['sign'], $data['sign_type'] , $data["method"]);


//    if ($filter) {
//        $data = array_filter($data);
//    }

        // 排序
//        ksort($data, SORT_STRING);
//        reset($data);
//
//
//        $data["key"] = $key;
//        return strtoupper(md5(urldecode(http_build_query($data))));
    }
    function sortParams($params) {
        ksort($params);
        $str = '';
        foreach ($params as $key => $value) {
            $str .= $key . '=' . $value . '&';
        }
       
        return rtrim($str, '&');
    }
   function sha256($str) {
    $hash = hash('sha256', $str, true);
    $encdeStr = bin2hex($hash);
    return strtolower($encdeStr);
    }

}