
<?php
/**
 * 微信支付服务器端下单
 * 微信APP支付文档地址:  https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=8_6
 * 使用示例
 *  构造方法参数
 *      'appid'     =>  //填写微信分配的公众账号ID
 *      'mch_id'    =>  //填写微信支付分配的商户号
 *      'notify_url'=>  //填写微信支付结果回调地址
 *      'key'       =>  //填写微信商户支付密钥
 *  );
 *  统一下单方法
 *  $WechatAppPay = new wechatAppPay($options);
 *  $params['body'] = '商品描述';                   //商品描述
 *  $params['out_trade_no'] = '1217752501201407';   //自定义的订单号，不能重复
 *  $params['total_fee'] = '100';                   //订单金额 只能为整数 单位为分
 *  $params['trade_type'] = 'APP';                  //交易类型 JSAPI | NATIVE |APP | WAP
 *  $wechatAppPay->unifiedOrder( $params );
 */
class weixin
{

    private $appid;
    private $seceret;


    public function __construct($appid, $seceret)
    {
        $this->appid = $appid;
        $this->seceret = $seceret;
    }


    /**
     * code获取openid
     * @param $code
     * @return mixed
     */
    public function code2Session($code)
    {
        $url = "https://api.weixin.qq.com/sns/jscode2session?appid={$this->appid}&secret={$this->seceret}&js_code={$code}&grant_type=authorization_code";

        $res = Curl::get($url,true);

        return json_decode($res,true);
    }


    public function getAccessToken()
    {
        $rs = Baseconfig::getInfoByKey(TOKEN_BASE_KEY);

        if (empty($rs) || (time() - $rs["lastupdate"]) > TOKEN_LIMIT_TIME) {
            $accessToken = self::refreshToken();
        } else {
            $accessToken = $rs["value"];
        }
        return $accessToken;
    }


    public function refreshToken()
    {
        $token_access_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->appid . "&secret=" . $this->seceret;
        $res = file_get_contents($token_access_url); //
        $result = json_decode($res, true); //接受一个 JSON 格式的字符串并且把它转换为 PHP 变量s
        $access_token = $result['access_token'];

        $rs = Baseconfig::getInfoByKey(TOKEN_BASE_KEY);
        if ($rs) {
            $res = Baseconfig::updateByKey(TOKEN_BASE_KEY, array("value" => $access_token, "lastupdate" => time()));
        } else {
            $attrs = array(
                "key"=>TOKEN_BASE_KEY,
                "value"=>$access_token,
                "name"=>"token"
            );
            $res = Baseconfig::add($attrs);
        }
        if ($res) {
            return $access_token;
        }
    }


    public function createBase64($path,$scene)
    {
        $accessToken = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={$accessToken}";

//        if(!file_exists(FILE_PATH.$destPath))
//        {
//            mkdir(FILE_PATH.$destPath,0777,true);
//        }

//        $fileName = date("YmdHis").randcode(4).".jpg";

        $resData = Curl::post($url,json_encode(array("page"=>$path,"scene"=>$scene)));


        return Image::BinaryToBase64($resData);


//        file_put_contents(FILE_PATH.$destPath.$fileName,$resData);


    }


    public function createQrCode($path,$scene,$destPath)
    {
        $accessToken = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={$accessToken}";

        if(!file_exists(FILE_PATH.$destPath))
        {
            mkdir(FILE_PATH.$destPath,0777,true);
        }

        $fileName = date("YmdHis").randcode(4).".jpg";

        $resData = Curl::post($url,json_encode(array("page"=>$path,"scene"=>$scene)));


        file_put_contents(FILE_PATH.$destPath.$fileName,$resData);

        return $destPath.$fileName;

    }


    public function sendBaomingInform($openId,$formId,$page,$name,$title){
        $accessToken = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/cgi-bin/message/wxopen/template/send?access_token={$accessToken}";

        $time = date("Y-m-d H:i:s");

        $data = '{
                  "touser": "'.$openId.'",
                  "template_id": "'.BAOMING_TEMPLATE_ID.'",
                  "page": "'.$page.'",
                  "form_id": "'.$formId.'",
                  "data": {
                      "keyword1": {
                          "value": "'.$name.'"
                      },
                      "keyword2": {
                          "value": "'.$title.'"
                      },
                      "keyword3": {
                          "value": "'.$time.'"
                      }
                  }
                }';


        $rs = Curl::post($url,$data);


    }


    public function sendSignSuccess($openId,$formId,$page,$name,$title){
        $accessToken = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/cgi-bin/message/wxopen/template/send?access_token={$accessToken}";

        $time = date("Y-m-d H:i:s");

        $data = '{
                  "touser": "'.$openId.'",
                  "template_id": "'.SIGN_SUCCESS_TEMPLATE_ID.'",
                  "page": "'.$page.'",
                  "form_id": "'.$formId.'",
                  "data": {
                      "keyword1": {
                          "value": "'.$name.'"
                      },
                      "keyword2": {
                          "value": "'.$time.'"
                      },
                      "keyword3": {
                          "value": "'.$title.'"
                      }
                  }
                }';


        $rs = Curl::post($url,$data);


    }


    /***发送动开始通知 订阅消息***/
    public function sendBeginInform($openId,$page,$auth,$title,$time,$address){
        $accessToken = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token={$accessToken}";


        $data = '{
                  "touser": "'.$openId.'",
                  "template_id": "'.BAOMING_BEGIN_INFORM_TEMPLATE_ID.'",
                  "page": "'.$page.'",
                  "data": {
                      "name1": {
                          "value": "'.$auth.'"
                      },
                      "thing4": {
                          "value": "'.$title.'"
                      },
                      "date5": {
                          "value": "'.$time.'"
                      },
                      "thing6": {
                          "value": "'.$address.'"
                      }
                  }
                }';


        $rs = Curl::post($url,$data);


    }


    /***发送奖品通知 订阅消息***/
    public function sendAwardInform($openId,$page,$auth,$title,$phone,$awardName){
        $accessToken = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token={$accessToken}";


        $data = '{
                  "touser": "'.$openId.'",
                  "template_id": "'.BAOMING_AWARD_INFORM_TEMPLATE_ID.'",
                  "page": "'.$page.'",
                  "data": {
                      "thing1": {
                          "value": "'.$title.'"
                      },
                      "thing2": {
                          "value": "'.$awardName.'"
                      },
                      "phone_number3": {
                          "value": "'.$phone.'"
                      },
                      "name4": {
                          "value": "'.$auth.'"
                      }
                  }
                }';


        $rs = Curl::post($url,$data);


    }


}