<?php

declare(strict_types=1);

namespace App\Middleware\Auth;

use App\Tools\PublicData;
use Hyperf\HttpServer\Contract\RequestInterface;
use Hyperf\HttpServer\Contract\ResponseInterface as HttpResponse;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function Hyperf\Support\env;

class SensitiveMiddleware implements MiddlewareInterface
{
    protected ContainerInterface $container;

    protected RequestInterface $request;

    protected HttpResponse $response;

    public function __construct( RequestInterface $request, HttpResponse $response)
    {
        $this->request = $request;
        $this->response = $response;
    }

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        try {
          $req = $this->request->all();
          $concatenated = "";
          if($req){
              foreach ($req as $value) {
                  if (is_array($value)) {
                      // 如果值是数组，将数组元素用逗号连接
                      $concatenated.= implode(',', $value);
                  } else {
                      // 如果不是数组，直接拼接
                      $concatenated.= $value;
                  }
              }
          }
          $url = env("SENSITIVE_WORD")."?msg=".urlencode($concatenated);
          $rep = PublicData::http_get($url);
            if (preg_match('/\{[^{}]*"code":[^}]*\}/', $rep, $matches)) {
                $jsonString = $matches[0];
                // 解析 JSON 字符串为 PHP 数组
                $jsonData = json_decode($jsonString, true);
                if ($jsonData!== null) {
                    // 输出解析后的 JSON 数据
                    print_r($jsonData);
                    if($jsonData['code']==200){
                        if(isset($jsonData['num']) && $jsonData['num']>0){
                            return $this->response->json(
                                [
                                    'code' => 0,
                                    'data' => [],
                                    'message' => "存在敏感词：".$jsonData['ci'],
                                ]
                            );
                        }
                    }
                } else {
                    return $this->response->json(
                        [
                            'code' => 0,
                            'data' => [],
                            'message' => '解析敏感词接口失败',
                        ]
                    );
                }
            }
          return $handler->handle($request);
        }catch (\Exception $e){
            return $this->response->json(
                [
                    'code' => $e->getCode(),
                    'data' => [],
                    'message' => '敏感词检测失败：'.$e->getMessage(),
                ]
            );
        }
        return false;
    }
}