<?php

namespace app\mzl\modules\jwt\middleware;

use ReflectionClass;
use Webman\Http\Request;
use Webman\Http\Response;
use Webman\MiddlewareInterface;
use app\mzl\modules\jwt\service\JwtService;

class JwtMiddleware implements MiddlewareInterface
{

    protected $jwtService;

    public function __construct()
    {
        $this->jwtService = new JwtService();
    }

    public function process(Request $request, callable $handler): Response
    {
        // 通过反射获取控制器
        $controller = new ReflectionClass($request->controller);
        $noNeedJwt = $controller->getDefaultProperties()['noNeedJwt'] ?? [];
        
        // 除外
        if (in_array($request->action, $noNeedJwt)) {

            return $handler($request);
        } else {
            try {
                $authHeader = $request->header('Authorization');
                
                if (!$authHeader || !preg_match('/Bearer\s(\S+)/', $authHeader, $matches)) {
                    $body = [
                        'status'  => 'error',
                        'code'    => 401,
                        'message' => '未授权',
                        'data'    => [],
                    ];
                    return response(json_encode($body, JSON_UNESCAPED_UNICODE), 401, ['Content-Type' => 'application/json']);
                }
        
                $token = $matches[1];

                $request->user = $this->jwtService->verifyToken($token);
                
                // 验证权限 -- start
                // $user = \app\mzl\modules\permission\model\User::find($request->user->user_id);
                // if (!$user || !$user->hasPermission($request->path())) {
                //     $body = [
                //         'status'  => 'error',
                //         'code'    => 403,
                //         'message' => '无权限访问',
                //         'data'    => [],
                //     ];
                //     return response(json_encode($body, JSON_UNESCAPED_UNICODE), 403, ['Content-Type' => 'application/json']);
                // }
                // 验证权限 -- end
            } catch (\Throwable $e) {
                $body = [
                    'status'  => 'error',
                    'code'    => 401,
                    'message' => $e->getMessage(),
                    'data'    => [],
                ];
                return response(json_encode($body, JSON_UNESCAPED_UNICODE), 401, ['Content-Type' => 'application/json']);
            }
    
            return $handler($request);
        }
    }
}