<?php

/**
 * 支付宝企业付款服务
 * Class TransferService
 * Author SHUI
 * @package wxpay
 */

define('AOP_SDK_DIR', __DIR__);
require_once AOP_SDK_DIR . '/AopSdk.php';
require_once AOP_SDK_DIR . '/AlipayConfig.php';
require_once AOP_SDK_DIR . '/aop/AopClient.php';
require_once AOP_SDK_DIR . '/aop/SignData.php';
require_once AOP_SDK_DIR . '/aop/request/AlipayFundTransToaccountTransferRequest.php';
require_once AOP_SDK_DIR . '/aop/request/AlipayFundTransOrderQueryRequest.php';

class TransferService {

    /**
     * 商户付款
     *
     * @access public
     *
     * @param string $userid 支付宝用户ID
     * @param float $amount 付款金额
     * @param string $orderid 订单号
     *
     * @return array
     */
    public function transfer($userid, $amount, $orderid) {
        $aop = new \AopClient;
        $aop->gatewayUrl            = AlipayConfig::GATEWAY;
        $aop->appId                 = AlipayConfig::APPID;
        $aop->rsaPrivateKey         = AlipayConfig::APPPRIVATEKEY;
        $aop->alipayrsaPublicKey    = AlipayConfig::ALIPAYPUBLICKEY;
        $aop->apiVersion            = '1.0';
        $aop->signType              = 'RSA2';
        $aop->postCharset           = 'UTF-8';
        $aop->format                = 'json';

        $param = [
            'out_biz_no'    => $orderid,
            'payee_type'    => 'ALIPAY_USERID',
            'payee_account' => $userid,
            'amount'        => $amount,
            'remark'        => '提现转账'
        ];

        $request = new \AlipayFundTransToaccountTransferRequest;
        $request->setBizContent(json_encode($param));

        $result       = $aop->execute($request);
        $responseNode = str_replace('.', '_', $request->getApiMethodName()) . '_response';
        $resultCode   = $result->$responseNode->code;

        if(! empty($resultCode) && $resultCode == 10000){
            return ['flag' => 0, 'msg' => '付款成功', 'orderid' => $orderid];
        } else if ($resultCode == 20000 || ($resultCode == 40004 && $result->$responseNode->sub_code == 'SYSTEM_ERROR')){
            $res = $this->query($orderid);

            if (0 == $res['flag']) {
                return ['flag' => 0, 'msg' => '付款成功', 'orderid' => $orderid];
            } else {
                return ['flag' => 1, 'msg' => '付款失败:' . $res['msg']];
            }
        }

        return ['flag' => -1, 'msg' =>  '付款失败:' . $result->$responseNode->sub_msg];
    }

    /**
     * 订单状态查询
     * @param $orderid
     * @return array
     */
    protected function query($orderid) {
        $aop = new \AopClient ();
        $aop->gatewayUrl            = AlipayConfig::GATEWAY;
        $aop->appId                 = AlipayConfig::APPID;
        $aop->rsaPrivateKey         = AlipayConfig::APPPRIVATEKEY;
        $aop->alipayrsaPublicKey    = AlipayConfig::ALIPAYPUBLICKEY;
        $aop->apiVersion            = '1.0';
        $aop->signType              = 'RSA2';
        $aop->postCharset           = 'UTF-8';
        $aop->format                = 'json';

        $request = new \AlipayFundTransOrderQueryRequest ();
        $param = [
            'out_biz_no' => $orderid
        ];
        $request->setBizContent(json_encode($param));
        $result = $aop->execute ( $request);

        $responseNode = str_replace(".", "_", $request->getApiMethodName()) . "_response";
        $resultCode = $result->$responseNode->code;

        if(! empty($resultCode) && $resultCode == 10000){
            return ['flag' => 0, 'msg' => '付款成功'];
        }

        return ['flag' => 1, 'msg' => $result->$responseNode->sub_msg];
    }
}