<?php

namespace App\Http\Middleware;

use Closure;
use Encore\Admin\Facades\Admin;
use Illuminate\Log\Logger;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;
use Illuminate\Support\Facades\Validator;
use Monolog\Handler\RotatingFileHandler;

//社心站点用户验证

class PsyUserVerify
{
    const USER_DATA_URL = "/api.php";
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $validator = Validator::make($request->all(), [
            'appid' => 'required',
            'open_id' => 'required',
            'op' => 'required',
            'task' => 'required',
        ], [
            'appid.required' => 'appid参数不能为空',
            'open_id.required' => 'open_id参数不能为空',
            'op.required' => 'op参数不能为空',
            'task.required' => 'task参数不能为空',
        ]);

        if ($validator->fails()) {
            $msg = $validator->errors()->first();
            return response()->json([
                'code'=>400,
                'msg'=>$msg
            ]);
        }

        $sign = $request->input("sign");
        $signData = $request->only(array("appid","open_id","op", "task","version"));
        $paramsData = $request->except(array("appid","op", "task","version","sign"));
        $config = config("console.wg_map");
        if ($config["appid"] != $signData["appid"]){
            throw new \Exception("appid非法参数：{$signData["appid"]}");
        }
        
        if (Admin::guard()->check() && Admin::user()->third_openid == $signData["open_id"]){
            return next($request);
        }
        $nowSign=$this->getSign(
            $paramsData,
            $signData["op"],
            $signData["task"],
            $signData["version"]
        );
        if ($nowSign != $sign){
            throw new \Exception("签名验证不能通过：sign：{$sign}、nowSign：{$nowSign}");
        }

        $userModelClass = config('admin.database.users_model');
        $userModel = new $userModelClass();
        $checkUserData = $userModel::query()
            ->where(
                array(
                    "third_openid"=>$signData["open_id"]
                )
            )
            ->orderBy("id","desc")->first();


        if($checkUserData) {
            Admin::guard()->login(
                $checkUserData
            ); 
        }

        return $next($request);
    }

    public function getUserData(string $openId)
    {
        if (empty($openId)){
            throw new \Exception("openId不能为空");
        }
        $config = config("console.remote_sso");
        $url = $config["url"].self::USER_DATA_URL;//http://www.baidu.com/api.php
        $query = array(
            "op"=>"user",
            "task"=>"userData",
            "version"=>"1.0.0",
            "appid"=>$config["appid"]
        );
        $sendData = array(
            "open_id"=>$openId
        );
        $postData = $sendData;
        $query["sign"] = $this->getSign($postData,$query["op"],$query["task"],$query["version"]);
//        $client = new Client();
        $url = $url."?".http_build_query($query);
        $resultStr = $this->curlPost($url,$postData);
//        $response = $client->request('post', $url, [
//            'query' => $query,
//            "headers"=>array(
//                "Content-type"=>"application/json"
//            ),
//            "form_params"=>$postData
//        ]);
//        $resultStr = $response->getBody()->getContents();
        return $this->getResult($resultStr);
    }
    public function getUserMenuWebsiteData(string $openId)
    {$config = config("console.remote_sso");
        $url = $config["url"].self::USER_DATA_URL;//http://www.baidu.com/api.php
        $query = array(
            "op"=>"menu",
            "task"=>"getMenu",
            "version"=>"1.0.0",
            "appid"=>$config["appid"]
        );
        $sendData = array(
            "open_id"=>$openId
        );
        $query["sign"] = $this->getSign($sendData,$query["op"],$query["task"],$query["version"]);
//        $client = new Client();
//        $response = $client->request('post', $url, [
//            'query' => $query,
//            "headers"=>array(
//                "Content-type"=>"application/json"
//            ),
//            "form_params"=>$sendData
//        ]);
//        $resultStr = $response->getBody()->getContents();
        $url = $url."?".http_build_query($query);
        $resultStr = $this->curlPost($url,$sendData);
        return $this->getResult($resultStr);
    }


    public function getSign(array $sendData, string $op = "user", string $task = "login", string $version = "1.0.0")
    {
        $config = config("console.wg_map");
        $appid = $config["appid"];
        $secret = $config["secret"];
        ksort($sendData);
        $str = "";
        foreach($sendData as $key =>$value){
            $str.= stripslashes($value);
        }
        $sign = md5($appid. $op . $task . $version . $str. $secret);
        return $sign;
    }
    /**
     * 得到结果数据
     * @param string $resultStr
     * @return mixed
     * @throws \Exception
     */
    private function getResult(string $resultStr){
        $result = json_decode($resultStr,true);
        if (json_last_error() !== JSON_ERROR_NONE) {
            $this->log("数据格式响应错误",$resultStr);
            throw new \Exception("数据格式响应错误".$resultStr);
        }
        if (empty($result["status"])){
            $content = $result["message"] ?? $resultStr;
            $this->log("结果信息发生错误",$content);
            throw new \Exception("结果信息发生错误".$content);
        }
        if (!isset($result["data"])){
            $content = $resultStr;
            $this->log("结果信息格式发送错误",$content);
            throw new \Exception("结果信息格式发送错误".$content);
        }
        return $result["data"];
    }

    /**
     * @param string $msg 消息提示
     * @param array|string|object $content 结果内容
     * @return void
     */
    private function log(string $msg,$content)
    {
        $sqlFile = 'logs/remoteSso/info.log';
        (new Logger('remoteSso'))->pushHandler(new RotatingFileHandler(storage_path($sqlFile)))->info($msg,[$content]);
    }
    private function curlPost($url, $data=null, $file=null)
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_TIMEOUT, 60); //设置超时

//        if(!empty($file)){
//            foreach ($file as $k=>$v){
//                if(is_array($v)){
//                    //多个文件
//                    foreach ($v as $key=>$val){
//                        $data[$k.'['.$key.']'] = new CURLFile($val);
//                    }
//                }else{
//                    //一维
//                    $data[$k] = new CURLFile($v);
//                }
//            }
//        }

        if (0 === strpos(strtolower($url), "https")) {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); //对认证证书来源的检查
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); //从证书中检查SSL加密算法是否存在
        }
        curl_setopt($ch, CURLOPT_POST, true);

        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

//         curl_setopt($ch, CURLOPT_HTTPHEADER);
        $rtn = curl_exec($ch);//CURLOPT_RETURNTRANSFER 不设置  curl_exec返回TRUE 设置  curl_exec返回json(此处) 失败都返回FALSE
        curl_close($ch);
        return $rtn;
    }
    /**
     * json 形式传参
     * @param unknown $url
     * @param unknown $data
     */
    private function curlPostJson($url, $data = null)
    {
        $headers = array(
            "Content-type: application/json;charset='utf-8'",
            "Accept: application/json",
            "Cache-Control: no-cache",
            "Pragma: no-cache",
        );
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_TIMEOUT, 60); //设置超时

        if (0 === strpos(strtolower($url), "https")) {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); //对认证证书来源的检查
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); //从证书中检查SSL加密算法是否存在
        }
        curl_setopt($ch, CURLOPT_POST, true);

        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_HEADER, 1);//打印响应header
        $rtn = curl_exec($ch);//CURLOPT_RETURNTRANSFER 不设置  curl_exec返回TRUE 设置  curl_exec返回json(此处) 失败都返回FALSE

        $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);

        // 根据头大小去获取头信息内容
        $header = substr($rtn, 0, $header_size);

        $data = substr($rtn, $header_size);

        $is_gzipped = false;

        if (preg_match("/Content-Encoding: gzip/", $header)) {
            $is_gzipped = true;
        }

        if($is_gzipped){
            $data = gzdecode($data);
        }

        curl_close($ch);

        return $data;
    }
}