<?php

namespace App\Http\Middleware;

use App\Models\User;
use Closure;
use Illuminate\Http\Request;
use Tymon\JWTAuth\Exceptions\JWTException;
use Tymon\JWTAuth\Exceptions\TokenExpiredException;
use Tymon\JWTAuth\Exceptions\TokenInvalidException;
use Tymon\JWTAuth\Exceptions\TokenBlacklistedException;

abstract class BaseJwtMiddleware
{
    public string $platform = '';

    /**
     * 获取守卫名称
     */
    abstract protected function getGuard();

    /**
     * 获取用户模型类名
     */
    abstract protected function getUserModel();

    /**
     * 认证失败的错误信息
     */
    abstract protected function authFailedResponse();

    /**
     * 用户状态检查
     */
    protected function checkUserStatus($user)
    {
        return null; // 子类可以覆盖此方法
    }

    /**
     * Handle an incoming request.
     */
    public function handle(Request $request, Closure $next)
    {
        try {
            // 使用指定的守卫进行认证
            $user = auth($this->getGuard())->authenticate();

            if (!$user) {
                return response()->json([
                    'code' => 401,
                    'message' => '用户不存在',
                    'data' => null
                ]);
            }

            if ($this->platform == 'api') {
                User::where('id', $user->id)->update(['last_active_time' => time()]);
            }

            // 检查用户状态
            if ($statusCheck = $this->checkUserStatus($user)) {
                return $statusCheck;
            }

            // 将用户信息注入到请求中
            $request->merge([
                'user' => $user,
                'user_type' => $this->getGuard() === 'admin-api' ? 'admin' : 'user'
            ]);

        } catch (TokenExpiredException $e) {
            return response()->json([
                'code' => 401,
                'message' => '登录已过期，请重新登录',
                'data' => null
            ]);

        } catch (TokenInvalidException $e) {
            return response()->json([
                'code' => 401,
                'message' => '登录凭证无效',
                'data' => null
            ]);

        } catch (TokenBlacklistedException $e) {
            return response()->json([
                'code' => 401,
                'message' => '登录凭证已失效',
                'data' => null
            ]);

        } catch (JWTException $e) {
            return response()->json([
                'code' => 401,
                'message' => '请先登录',
                'data' => null
            ]);
        }

        return $next($request);
    }
}