<?php

use think\Loader;

/**
 * 支付宝插件 使用方法请查看同文件夹下的demo
 * 目前已经支持电脑网站支付，手机APP支付，支付回调校验，用户提现等功能，如需拓展请联系作者
 * @author Jack_YanTC <627495692@qq.com>
 */
class AliPay
{
    private $appId;
    private $rsaPrivateKey;
    private $notifyUrl;
    private $alipayPublicKey;
    private $appCertPath;
    private $alipayCertPath;
    private $rootCertPath;

    /**
     * 初始化参数
     *
     */
    public function __construct()
    {
        $this->appCertPath = ADDON_PATH . 'epay/certs/appCertPublicKey_2021005189650627.crt';
        $this->alipayCertPath = ADDON_PATH . 'epay/certs/alipayCertPublicKey_RSA2.crt';
        $this->rootCertPath = ADDON_PATH . 'epay/certs/alipayRootCert.crt';

        $configs = get_system_config();
        $this->appId = $configs['alipay_app_id'];
        $this->rsaPrivateKey = $configs['alipay_private_key'];
        $this->alipayPublicKey = $configs['alipay_public_key'];
        $this->notifyUrl = $configs['web_site']."/api/Payment/notify_ali";

        $aliPayPath = EXTEND_PATH.'/AliPayV2/alipay-sdk/aopV2/';
        require_once $aliPayPath . 'AopCertClient.php';
        require_once $aliPayPath . 'AopClient.php';
        require_once $aliPayPath . 'AopCertification.php';
        require_once $aliPayPath . 'AlipayConfig.php';
        require_once $aliPayPath . 'request/AlipaySystemOauthTokenRequest.php';
        require_once $aliPayPath . 'request/AlipayUserInfoShareRequest.php';
        require_once $aliPayPath . 'request/AlipayTradeAppPayRequest.php';
    }

    /**
     * 支付宝手机网站支付
     * @param string $orderid 订单号
     * @param string $money 金额
     * @param string $subject 标题
     * @return string
     */
    public function aliAppPays($orderid, $money, $subject)
    {
        $aop = new AopCertClient ();
        $aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
        $aop->appId = $this->appId;
        $aop->rsaPrivateKey = $this->rsaPrivateKey;
        $aop->alipayrsaPublicKey = $aop->getPublicKey($this->alipayCertPath);//调用getPublicKey从支付宝公钥证书中提取公钥
        $aop->apiVersion = '1.0';
        $aop->signType = 'RSA2';
        $aop->postCharset = 'utf-8';
        $aop->format = 'json';
        $aop->isCheckAlipayPublicCert = true;//是否校验自动下载的支付宝公钥证书，如果开启校验要保证支付宝根证书在有效期内
        $aop->appCertSN = $aop->getCertSN($this->appCertPath);//调用getCertSN获取证书序列号
        $aop->alipayRootCertSN = $aop->getRootCertSN($this->rootCertPath);//调用getRootCertSN获取支付宝根证书序列号

        $request = new AlipayTradeAppPayRequest ();

        $bizcontent = json_encode([
            'subject' => $subject,
            'out_trade_no' => $orderid,//此订单号为商户唯一订单号
            'total_amount' => $money//保留两位小数
        ], JSON_UNESCAPED_UNICODE);

        $request->setNotifyUrl($this->notifyUrl);
        $request->setBizContent($bizcontent);

        $result = $aop->sdkExecute($request);

        return $result;
    }

    public function verify($post)
    {
        $aop = new AopCertClient ();
        $aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
        $aop->appId = $this->appId;
        $aop->rsaPrivateKey = $this->rsaPrivateKey;
        $aop->alipayrsaPublicKey = $aop->getPublicKey($this->alipayCertPath);//调用getPublicKey从支付宝公钥证书中提取公钥
        $aop->apiVersion = '1.0';
        $aop->signType = 'RSA2';
        $aop->postCharset = 'utf-8';
        $aop->format = 'json';
        $aop->isCheckAlipayPublicCert = true;//是否校验自动下载的支付宝公钥证书，如果开启校验要保证支付宝根证书在有效期内
        $aop->appCertSN = $aop->getCertSN($this->appCertPath);//调用getCertSN获取证书序列号
        $aop->alipayRootCertSN = $aop->getRootCertSN($this->rootCertPath);//调用getRootCertSN获取支付宝根证书序列号

        return $aop->rsaCheckV1($post, NULL, "RSA2");
    }


    //支付宝换取访问令牌
    public function login($auth_code)
    {
        $aop = new AopCertClient ();
        $aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
        $aop->appId = $this->appId;
        $aop->rsaPrivateKey = $this->rsaPrivateKey;
        $aop->alipayrsaPublicKey = $aop->getPublicKey($this->alipayCertPath);//调用getPublicKey从支付宝公钥证书中提取公钥
        $aop->apiVersion = '1.0';
        $aop->signType = 'RSA2';
        $aop->postCharset = 'utf-8';
        $aop->format = 'json';
        $aop->isCheckAlipayPublicCert = true;//是否校验自动下载的支付宝公钥证书，如果开启校验要保证支付宝根证书在有效期内
        $aop->appCertSN = $aop->getCertSN($this->appCertPath);//调用getCertSN获取证书序列号
        $aop->alipayRootCertSN = $aop->getRootCertSN($this->rootCertPath);//调用getRootCertSN获取支付宝根证书序列号


        // 创建请求对象
         $request = new AlipaySystemOauthTokenRequest();//AlipaySystemOauthTokenRequest
         $request->setGrantType("authorization_code");
         $request->setCode( $auth_code);

        // 执行请求，获取access_token
         $result =  $aop->execute($request);

        if (isset( $result->alipay_system_oauth_token_response->access_token)) {
            // 获取用户信息
            $userinfo_request = new AlipayUserInfoShareRequest();
             $userinfo_result =  $aop->execute( $userinfo_request,  $result->alipay_system_oauth_token_response->access_token);
            if ($userinfo_result->alipay_user_info_share_response->code == '10000') {
                // 处理用户信息，例如保存到数据库
                $user_info =  $userinfo_result->alipay_user_info_share_response;
                return ['code'=>'1','msg'=>'success','data'=>$user_info];
            } else {
                // 处理错误
                return ['code'=>$result->error_response->code,'msg'=>$result->error_response->msg.'/'.$result->error_response->sub_code,'data'=>$result->error_response->sub_msg];
            }
        } else {
        // 处理错误
        return ['code'=>$result->error_response->code,'msg'=>$result->error_response->msg.'/'.$result->error_response->sub_code,'data'=>$result->error_response->sub_msg];
        }
    }

}