<?php
namespace App\Servers\Weixin;
use App\Servers\CommonServer;

/**
 * 统一下单
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2016/10/24
 * Time: 11:28
 */
class Unifiedorder
{
    private $conf=array(
        'appid'=>'',
        'mch_id'=>'',
        'notify_url'=>'',
        'out_trade_no'=>'',
        'total_fee'=>'',
        'trade_type'=>'',
        'body'=>''
        //'appsecret'=>''

    );

    private $file_conf=[
        'cert_file'=>'',
        'key_file'=>''
    ];
    private $url='https://api.mch.weixin.qq.com/pay/unifiedorder';
    function __construct($conf=null,$file_conf=[])
    {
        if($conf)$this->conf=$conf;
        if(!empty($file_conf['cert_file'])){
            $this->file_conf['cert_file']=$file_conf['cert_file'];
            $this->file_conf['key_file']=empty($file_conf['key_file'])?'':$file_conf['key_file'];
        }
    }
    /**
     * 微信签名
     */
    public  function wxSign($data,$keys)
    {
        ksort($data);
        $str='';
        foreach($data as $key=>$val)
        {
            if($val)
            {
                if($str!='')$str.='&';
                $str.="{$key}={$val}";
            }
        }
        $str.='&key='.$keys;
        $sign=strtoupper(MD5($str));
        return $sign;
    }
    /**
     * 获取客户端ip
     * @return string
     */
    private function getIp()
    {
        $cip=CommonServer::creatServer()->getClientIp();
//        if ($_SERVER['REMOTE_ADDR']) {
//            $cip = $_SERVER['REMOTE_ADDR'];
//        } elseif (getenv("REMOTE_ADDR")) {
//            $cip = getenv("REMOTE_ADDR");
//        } elseif (getenv("HTTP_CLIENT_IP")) {
//            $cip = getenv("HTTP_CLIENT_IP");
//        } else {
//            $cip = "unknown";
//        }
        return $cip;
    }
    /**
     *
     * 产生随机字符串，不长于32位
     * @param int $length
     * @return 产生的随机字符串
     */
    public  function getNonceStr($length = 32)
    {
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str ="";
        for ( $i = 0; $i < $length; $i++ )  {
            $str .= substr($chars, mt_rand(0, strlen($chars)-1), 1);
        }
        return $str;
    }

    /**
     * 微信退款
     * @param $private_key
     * @return array
     */
    function wxPayRefund($private_key){
        $data=$this->conf;
        $data['nonce_str']=$this->getNonceStr();
        $data['sign']=$this->wxSign($data,$private_key);
        $xml = "<xml>";
        foreach ($data as $key=>$val)
        {
            if (is_numeric($val))
            {
                $xml.="<".$key.">".$val."</".$key.">";

            }
            else
                $xml.="<".$key.">".$val."</".$key.">";
        }
        $xml.="</xml>";
        $url='https://api.mch.weixin.qq.com/secapi/pay/refund';
//        $url='https://api.mch.weixin.qq.com/pay/orderquery';
        $key_file=trim($this->file_conf['key_file'],'.');
        $cert_file=trim($this->file_conf['cert_file'],'.');
        if(!is_file($key_file) || !is_file($cert_file)){
            return array('code'=>0,'data'=>'证书文件不存在');
        }
        $ch=curl_init();
        curl_setopt($ch, CURLOPT_URL, $url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        curl_setopt($ch, CURLOPT_POST,TRUE);//post请求
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLCERT, $cert_file);
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLKEY, $key_file);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//设置传递的参数
        $request=curl_exec($ch);
        curl_close($ch);
        $request=json_decode(json_encode(simplexml_load_string($request, 'SimpleXMLElement', LIBXML_NOCDATA)),true);
        if($request['return_code']=='SUCCESS'&&$request['result_code']=='SUCCESS')
        {
            return array('code'=>1,'data'=>$request);
        }
        else
        {
            return array('code'=>0,'data'=>$request);
        }
    }

    function getPayOrder($private_key){
        $data=$this->conf;
        $data['nonce_str']=$this->getNonceStr();
//        $data['spbill_create_ip']=$this->getIp();
        $data['sign']=$this->wxSign($data,$private_key);
        $xml = "<xml>";
        foreach ($data as $key=>$val)
        {
            if (is_numeric($val))
            {
                $xml.="<".$key.">".$val."</".$key.">";

            }
            else
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
        }
        $xml.="</xml>";
        $key_file=trim($this->file_conf['key_file'],'.');
        $cert_file=trim($this->file_conf['cert_file'],'.');

        if(!is_file($key_file) || !is_file($cert_file)){
            return array('code'=>0,'msg'=>'证书文件不存在');
        }
        $url='https://api.mch.weixin.qq.com/pay/orderquery';
        $ch=curl_init();
        curl_setopt($ch, CURLOPT_URL, $url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        curl_setopt($ch, CURLOPT_POST,TRUE);//post请求
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLCERT, $cert_file);
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLKEY, $key_file);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//设置传递的参数
        $request=curl_exec($ch);
        curl_close($ch);
        $request=json_decode(json_encode(simplexml_load_string($request, 'SimpleXMLElement', LIBXML_NOCDATA)),true);
        if($request['return_code']=='SUCCESS'&&$request['result_code']=='SUCCESS')
        {

            return array('code'=>1,'msg'=>'订单信息','data'=>$request);
        }
        else
        {
            return array('code'=>0,'msg'=>empty($request['return_msg'])?'订单信息':($request['return_msg'].','.(empty($request['err_code_des'])?'':$request['err_code_des'])),'data'=>$request);
        }
    }

    /**
     *获取统一支付信息
     * @param $private_key 支付秘钥
     * @return array
     */
    public function getOrder($private_key)
    {
        $data=$this->conf;
        $data['nonce_str']=$this->getNonceStr();
        $data['spbill_create_ip']=$this->getIp();
        $data['sign']=$this->wxSign($data,$private_key);
        $xml = "<xml>";
        foreach ($data as $key=>$val)
        {
            if (is_numeric($val))
            {
                $xml.="<".$key.">".$val."</".$key.">";

            }
            else
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
        }
        $xml.="</xml>";
        $ch=curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        curl_setopt($ch, CURLOPT_POST,TRUE);//post请求
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//设置传递的参数
        $request=curl_exec($ch);
        curl_close($ch);
        $request=json_decode(json_encode(simplexml_load_string($request, 'SimpleXMLElement', LIBXML_NOCDATA)),true);
        if($request['return_code']=='SUCCESS'&&$request['result_code']=='SUCCESS')
        {

            return array('code'=>1,'data'=>$request);
        }
        else
        {
            return array('code'=>0,'data'=>$request['return_msg']);
        }
    }
    /**
     * 获取用户openid
     */
    public  function get_openid()
    {
        $openid=session('wx_openid');
        if($openid)return $openid;
        $code=input('code','');
        if(!$code)
        {
            $redirect_url='http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
            $redirect_url=urlencode($redirect_url);
            $url="https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->conf['appid']}&redirect_uri={$redirect_url}&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect";
            redirect($url);return false;
        }
        else
        {
            $url="https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->conf['appid']}&secret={$this->conf['appsecret']}&code={$code}&grant_type=authorization_code";
            $result=$this->send_request($url);
            $result=json_decode($result,true);
            if(isset($result['errcode']))
            {
                return false;
            }
            else
            {
                $openid=$result['openid'];
                $access_token=$result['access_token'];
                $url="https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={$this->conf['appid']}&grant_type=refresh_token&refresh_token={$result['refresh_token']} ";
                $result=$this->send_request($url);
                $result=json_decode($result,true);
                if(isset($result['access_token'])){return $result['openid'];}
                session('wx_openid',$openid);
                return $openid;
            }
        }
    }
    /**
     * @param $url
     * @param string $type 请求方式
     * @param string $postdata post数据 数组格式
     * @return mixed
     */
    private  function send_request($url,$type='get',$postdata='')
    {

        $ch=curl_init();
        curl_setopt($ch, CURLOPT_URL, $url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false);
        $head=array('User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36');
        curl_setopt($ch, CURLOPT_HTTPHEADER,$head);
        if($type=='post')
        {

            curl_setopt($ch, CURLOPT_POST,TRUE);//post请求
            curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);//设置传递的参数

        }
        $request=curl_exec($ch);
        curl_close($ch);
        return $request;
    }


    /**
     * 企业付款到领钱
     * @param $private_key
     * @return array
     */
    function setVerified($private_key){
        $data=$this->conf;
        $data['nonce_str']=$this->getNonceStr();
//        $data['spbill_create_ip']=$this->getIp();
        $data['spbill_create_ip']='119.23.242.246';
        $data['sign']=$this->wxSign($data,$private_key);
        $xml = "<xml>";
        foreach ($data as $key=>$val)
        {
            if (is_numeric($val))
            {
                $xml.="<".$key.">".$val."</".$key.">";

            }
            else
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
        }
        $xml.="</xml>";
        $key_file=trim($this->file_conf['key_file'],'.');
        $cert_file=trim($this->file_conf['cert_file'],'.');
//        dd($key_file,$cert_file);

        if(!is_file($key_file) || !is_file($cert_file)){
            return array('code'=>0,'msg'=>'证书文件不存在');
        }
        $url='https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';
        $ch=curl_init();
        curl_setopt($ch, CURLOPT_URL, $url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        curl_setopt($ch, CURLOPT_POST,TRUE);//post请求
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLCERT, $cert_file);
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLKEY, $key_file);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//设置传递的参数
        $request=curl_exec($ch);
        curl_close($ch);
        $request=json_decode(json_encode(simplexml_load_string($request, 'SimpleXMLElement', LIBXML_NOCDATA)),true);
        if($request['return_code']=='SUCCESS'&&$request['result_code']=='SUCCESS')
        {

            return array('code'=>1,'msg'=>'提现成功','data'=>$request);
        }
        else
        {
            return array('code'=>0,'msg'=>empty($request['return_msg'])?'提现失败':($request['return_msg'].','.(empty($request['err_code_des'])?'':$request['err_code_des'])),'data'=>$request);
        }
    }


}