<?php

namespace App\Http\Middleware;

use App\Module\System\Services\RequestLogger;
use Closure;
use Illuminate\Http\Request;

class AdminRequestLogMiddleware
{
    /**
     * 处理后台请求日志记录
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        $startTime = microtime(true);
        
        // 创建请求日志
        $logger = new RequestLogger($request);
        
        // 设置路由信息
        $logger->setRouter($request->path());
        
        // 设置用户ID（如果已登录）
        if ($user = $request->user('admin')) {
            $logger->setUserId($user->id);
        }
        
        try {
            $response = $next($request);
            
            // 记录响应
            if (method_exists($response, 'getContent')) {
                $content = $response->getContent();
                if (is_string($content) && is_json($content)) {
                    $logger->setJsonResponse($content);
                }
            }
            
        } catch (\Exception $e) {
            // 记录错误
            $logger->setError($e->getMessage());
            throw $e;
        } finally {
            // 记录运行时间
            $logger->setRunTime($startTime);
        }
        
        return $response;
    }
}

if (!function_exists('is_json')) {
    function is_json($string) {
        json_decode($string);
        return json_last_error() === JSON_ERROR_NONE;
    }
}