<?php

namespace Addons\Pay;
//[1.5.52]
class WxPayV3
{
    protected $authorization = 'WECHATPAY2-SHA256-RSA2048';  //认证类型
    protected $method = "POST";
    protected $url; //链接
    protected $mch_id;        //商户号
    protected $nonce_str;        //随机字符串
    protected $sign;        //签名
    protected $timestamp;   //时间
    protected $serial_no;        //商户Api证书序列号
    protected $apiclient_key;   //私钥地址
    protected $apiclient_cert;   //公钥地址
    protected $token;        //Token
    protected $data;         //发送参数
    protected $stock_id;     //批次号
    protected $response;    //返回信息
    protected $image_type;    //图片类型
    protected $boundary;      //边界符
    protected $suffix;      //图片后缀
    protected $openid;      //发放的openid
    protected $file;         //图片信息


    public function __construct($param)
    {
        $this->mch_id = isset($param['mch_id']) ? $param['mch_id'] : '';
        $this->data = isset($param['data']) ? $param['data'] : '';
        $this->stock_id = isset($param['stock_id']) ? $param['stock_id'] : '';
        $this->serial_no = isset($param['serial_no']) ? $param['serial_no'] : '';
        $this->apiclient_key = isset($param['apiclient_key']) ? $param['apiclient_key'] : '';
        $this->image_type = isset($param['image_type']) ? $param['image_type'] : '';
        $this->boundary = isset($param['boundary']) ? $param['boundary'] : '';
        $this->openid = isset($param['openid']) ? $param['openid'] : '';
        $this->file = isset($param['file']) ? $param['file'] : '';
    }


    /**
     * 上传图片
     * @return bool|string
     */
    public function upload()
    {
        $this->url = 'https://api.mch.weixin.qq.com/v3/marketing/favor/media/image-upload';
        $result = $this->uploadRequestAction();
        return $result;
    }


    /**
     * 图片上传请求
     * @return bool|string
     */
    public function uploadRequestAction()
    {
        if (!in_array('sha256WithRSAEncryption', \openssl_get_md_methods(true))) {
            throw new \RuntimeException("当前PHP环境不支持SHA256withRSA");
        }
        $headerParam = $this->uploadHeaderParam(); //获取头部信息
        $boundarystr = "--{$this->boundary}\r\n";// $out是post的内容
        $str = $boundarystr;
        $str .= 'Content-Disposition: form-data; name="meta"' . "\r\n";
        $str .= 'Content-Type: application/json' . "\r\n";
        $str .= "\r\n";
        $str .= json_encode($this->data['meta']) . "\r\n";
        $str .= $boundarystr;
        $str .= 'Content-Disposition: form-data; name="file"; filename="' . $this->data['meta']['filename'] . '"' . "\r\n";
        $str .= 'Content-Type: ' . $this->image_type . ";\r\n";
        $str .= "\r\n";
        $str .= $this->data['file'] . "\r\n";
        $str .= $boundarystr . "--\r\n";
//        print_r($str);exit;
        $this->response = $this->http_Request($this->url, $headerParam, $str);
        return $this->response;
    }


    /**
     * 图片上传头部参数
     * @return array
     */
    public function uploadHeaderParam()
    {
        $this->getUploadSign();        //生成签名
        $this->getToken();        //生成Token
        $header = [
            "Content-Type: multipart/form-data;name='meta'",
            "Content-Type: application/json",
            "User-Agent:" . $_SERVER['HTTP_USER_AGENT'],
            'Authorization: ' . $this->authorization . ' ' . $this->token,
            "Content-Type: multipart/form-data;boundary=" . $this->boundary
        ];
        return $header;
    }

    /**
     * 图片生成签名
     */
    protected function getUploadSign()
    {
        $url_parts = parse_url($this->url);  //链接
        $canonical_url = ($url_parts['path'] . (!empty($url_parts['query']) ? "?${url_parts['query']}" : ""));
        $this->timestamp = time();
        $this->nonce_str = createKey(); //随机字符串
        $message = $this->method . "\n" .
            $canonical_url . "\n" .
            $this->timestamp . "\n" .
            $this->nonce_str . "\n" .
            json_encode($this->data['meta']) . "\n";
        openssl_sign($message, $raw_sign, openssl_get_privatekey(file_get_contents($this->apiclient_key)), 'sha256WithRSAEncryption');
        $this->sign = base64_encode($raw_sign);
    }

    /**
     * 核销商家券
     * @return bool|string
     */
    public function verificationCoupon()
    {
        $this->url = 'https://api.mch.weixin.qq.com/v3/marketing/busifavor/coupons/use';       //创建代金券请求链接
        $result = $this->requestAction();
        return $result;
    }

    /**
     * 创建商家券
     */
    public function createShopCoupon()
    {
        $this->url = 'https://api.mch.weixin.qq.com/v3/marketing/busifavor/stocks';       //创建代金券请求链接
        $result = $this->requestAction();
        return $result;
    }


    /*  public function searchPayCoupon()
      {
          $this->url = 'https://api.mch.weixin.qq.com/v3/marketing/favor/stocks/15067678';       //创建代金券请求链接
          $this->method = "GET";
          $result = $this->requestAction();
          return $result;
      }*/

    /**
     * 创建代金券
     * @return bool|string
     */
    public function createCoupon()
    {
        $this->url = 'https://api.mch.weixin.qq.com/v3/marketing/favor/coupon-stocks';       //创建代金券请求链接
        $result = $this->requestAction();
        return $result;
    }


    /**
     * 激活代金券
     * @return bool|string
     */
    public function activateCoupon()
    {
        $this->url = "https://api.mch.weixin.qq.com/v3/marketing/favor/stocks/{$this->stock_id}/start";
        $result = $this->requestAction();
        return $result;
    }


    /**
     * 发放代金券
     */
    public function grant()
    {
        $this->url = "https://api.mch.weixin.qq.com/v3/marketing/favor/users/{$this->openid}/coupons";
        $result = $this->requestAction();
        return $result;
    }


    /**
     * 暂停代金券
     */
    public function suspend()
    {
        $this->url = "https://api.mch.weixin.qq.com/v3/marketing/favor/stocks/{$this->stock_id}/pause";
        $result = $this->requestAction();
        return $result;
    }


    /**
     * 重启代金券
     */
    public function restart()
    {
        $this->url = "https://api.mch.weixin.qq.com/v3/marketing/favor/stocks/{$this->stock_id}/restart";
        $result = $this->requestAction();
        return $result;
    }


    /**
     * 发送请求
     * @return bool|string
     */
    protected function requestAction()
    {
        if (!in_array('sha256WithRSAEncryption', \openssl_get_md_methods(true))) {
            throw new \RuntimeException("当前PHP环境不支持SHA256withRSA");
        }
        $headerParam = $this->getHeaderParam(); //获取头部信息
        $this->response = $this->http_Request($this->url, $headerParam, json_encode($this->data));
        return $this->response;
    }


    /**
     * 获取请求头部参数
     * @return array
     */
    protected function getHeaderParam()
    {
        $this->getSign();        //生成签名
        $this->getToken();        //生成Token
        $header = [
            "Content-type: application/json;charset='utf-8'",
            "Accept:application/json",
            "User-Agent:*/*",
            'Authorization: ' . $this->authorization . ' ' . $this->token,
        ];
        return $header;
    }


    /**
     * 生成签名
     */
    protected function getSign()
    {
        $url_parts = parse_url($this->url);  //链接
        $canonical_url = ($url_parts['path'] . (!empty($url_parts['query']) ? "?${url_parts['query']}" : ""));
        $this->timestamp = time();
        $this->nonce_str = createKey(); //随机字符串
        $message = $this->method . "\n" .
            $canonical_url . "\n" .
            $this->timestamp . "\n" .
            $this->nonce_str . "\n" .
            json_encode($this->data) . "\n";
        openssl_sign($message, $raw_sign, openssl_get_privatekey(file_get_contents($this->apiclient_key)), 'sha256WithRSAEncryption');
        $this->sign = base64_encode($raw_sign);
    }


    /**
     * 生成Token
     * @return string
     */
    protected function getToken()
    {
        $this->token = sprintf('mchid="%s",nonce_str="%s",timestamp="%d",serial_no="%s",signature="%s"',
            $this->mch_id, $this->nonce_str, $this->timestamp, $this->serial_no, $this->sign);
    }


    /**
     * 数据请求
     * @param $url
     * @param array $header 获取头部
     * @param string $post_data POST数据，不填写默认以GET方式请求
     * @return bool|string
     */
    public function http_Request($url, $header = array(), $post_data = "")
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 2);
        if ($post_data != "") {
            curl_setopt($ch, CURLOPT_POST, TRUE);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data); //设置post提交数据
        }
        //判断当前是不是有post数据的发
        $response = curl_exec($ch);
        if ($response === FALSE) {
            $response = "curl 错误信息: " . curl_error($ch);
        }
        curl_close($ch);
        return $response;
    }
}