<?php

use think\Env;

class Xilaixi
{
    private $pid;
    private $key;
    private string $sign_type = 'MD5';
    private string $mapi_url = 'https://wxjs.980city.com/mapi.php';
    private string $api_url = 'https://wxjs.980city.com/api.php';//https://wxjs.980city.com/api.php?

    function __construct(){
        $this->pid = Env::get('AllinPay.appId');//平台分配的APPID
        $this->key = Env::get('AllinPay.appId');//平台分配的APPID
    }

    /**
     * 西来喜支付
     */
    public function XilaixiPay($date,  $type) {
        //6-西来喜微信，7-西来喜支付宝，8-西来喜QQ钱包，9-西来喜云闪付
        if($type == 6){
            $type = 'wxpay';
        }elseif ($type == 7){
            $type = 'alipay';
        }elseif ($type == 8){
            $type = 'qqpay';
        }elseif ($type == 9){
            $type = 'bank';
        }
        //构造要请求的参数数组，无需改动
        $parameter = array(
            "pid" => $this->pid,
            "type" => $type,
            "notify_url" => get_system_config_value("web_site")."/api/Payment/XilaixiPayNotify",
            "return_url" => '',
            "out_trade_no" => $date['order_sn'],//商户订单号,
            "name" => $date['remarke'],//订单标题(不能有空格）,
            "money"	=> $date['money'],
        );
        $param = $this->buildRequestParam($parameter);
        $response = $this->getHttpResponse($this->mapi_url, http_build_query($param));
        return json_decode($response, true);
    }

    private function buildRequestParam($param){
        $mysign = $this->getSign($param);
        $param['sign'] = $mysign;
        $param['sign_type'] = $this->sign_type;
        return $param;
    }

    // 计算签名
    private function getSign($param){
        ksort($param);
        reset($param);
        $signstr = '';

        foreach($param as $k => $v){
            if($k != "sign" && $k != "sign_type" && $v!=''){
                $signstr .= $k.'='.$v.'&';
            }
        }
        $signstr = substr($signstr,0,-1);
        $signstr .= $this->key;
        $sign = md5($signstr);
        return $sign;
    }

    // 请求外部资源
    private function getHttpResponse($url, $post = false, $timeout = 10){
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $httpheader[] = "Accept: */*";
        $httpheader[] = "Accept-Language: zh-CN,zh;q=0.8";
        $httpheader[] = "Connection: close";
        curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheader);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        if($post){
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
        }
        $response = curl_exec($ch);
        curl_close($ch);
        return $response;
    }

    // 异步回调验证
    public function verifyNotify(){
        if(empty($_GET)) return false;

        $sign = $this->getSign($_GET);

        if($sign === $_GET['sign']){
            $signResult = true;
        }else{
            $signResult = false;
        }

        return $signResult;
    }


    // 查询订单支付状态
    public function orderStatus($trade_no){
        $result = $this->queryOrder($trade_no);
        if($result['status']==1){
            return true;
        }else{
            return false;
        }
    }

    // 查询订单
    public function queryOrder($trade_no){
        $url = $this->api_url.'?act=order&pid=' . $this->pid . '&key=' . $this->key . '&trade_no=' . $trade_no;
        $response = $this->getHttpResponse($url);
        $arr = json_decode($response, true);
        return $arr;
    }

    // 订单退款
    public function refund($trade_no, $money){
        $url = $this->api_url.'?act=refund';
        $post = 'pid=' . $this->pid . '&key=' . $this->key . '&trade_no=' . $trade_no . '&money=' . $money;
        $response = $this->getHttpResponse($url, $post);
        $arr = json_decode($response, true);
        return $arr;
    }

}