<?php

namespace App\Api\Controllers;

use App\Exceptions\ApiException;
use Illuminate\Http\Request;
use XuanChen\UnionPay\UnionPay;

class UnionPayController extends Controller
{

    public function index(Request $request)
    {

        $action = new UnionPay($request->all());
        //        $sign         = $action->getSign(false);
        $sign         = 'd8e5bf46d0d9f1da702170c2e141d85cf3ca785106886dbfedb3310ee9ce2ca3f18a2e6c179ec9908fc4f41d05df463634106918bdbefc63b8f199c7d2f3b0d45510b4dd6ccdf4549e11a8551a5098b14c01fdaa5840a4608f462fdafdc14b8f2a35471da315d8245a4ef6281b6e04bd22d5a266500a6caf6e5203202c37111d';
        $action->sign = $sign;
        $res          = $action->checkSign(false, false);
        dump('签名： ' . $sign);
        $res_str = ($res === true) ? '成功' : '失败';
        dump('验签结果：' . $res_str);
        dd($action);

    }

    //签名
    public function toSign($sign_data)
    {
        //签名字段
        // $sign_data['msg_type']      = $array['msg_type'];
        // $sign_data['msg_txn_code']  = $array['msg_txn_code'];
        // $sign_data['msg_crrltn_id'] = $array['msg_crrltn_id'];
        // $sign_data['msg_flg']       = $array['msg_flg'];
        // $sign_data['msg_sender']    = $array['msg_sender'];
        // $sign_data['msg_time']      = $array['msg_time'];
        // $sign_data['msg_sys_sn']    = $array['msg_sys_sn'];
        // $sign_data['msg_ver']       = $array['msg_ver'];

        // if (isset($array['msg_rsp_code'])) {
        //     $sign_data['msg_rsp_code'] = $array['msg_rsp_code'];
        // }

        // if (isset($array['msg_rsp_desc'])) {
        //     $sign_data['msg_rsp_desc'] = $array['msg_rsp_desc'];
        // }

        //将字段名按字母表顺序排序
        ksort($sign_data);

        //将post的数据utf-8编码
        $str_data = utf8_encode(http_build_query($sign_data));
        //获取私钥资源ID
        $private = config('unionpay.check.self.private');

        if (!file_exists($private)) {
            throw new \Exception('缺少私钥文件');
        }

        $private_key = file_get_contents($private);
        $pkeyid      = openssl_get_privatekey($private_key);

        //签名赋值sign
        if (openssl_sign($str_data, $sign, $pkeyid)) {
            $sign_data = bin2hex($sign);
        } else {
            $sign_data = '';
        }
        //释放ssl资源
        openssl_free_key($pkeyid);

        return $sign_data;
    }

    /**
     * Notes: 银联接口
     * @Author: 玄尘
     * @Date  : 2020/9/28 16:31
     * @param Request $request
     * @return mixed
     */
    public function query(Request $request)
    {
        $inputs = $request->all();
        $sign   = $inputs['sign'];
        unset($inputs['sign']);
        $action = new UnionPay($inputs, $sign);

        //        $action->addLog();
        $action->start();

        //        $action->updateLog();

        return $action->respond();

    }

}