<?php
/**
 * @copyright Copyright (c) 2021 勾股工作室
 * @license https://opensource.org/licenses/Apache-2.0
 * @link https://www.gougucms.com
 */

declare (strict_types = 1);

namespace app\api;

use Firebase\JWT\JWT;
use Firebase\JWT\Key;
use think\App;
use think\exception\HttpResponseException;
use think\facade\Db;
use think\facade\Request;
use think\Response;

/**
 * 控制器基础类
 */
abstract class BaseController
{
    /**
     * Request实例
     * @var \think\Request
     */
    protected $request;

    /**
     * 应用实例
     * @var \think\App
     */
    protected $app;

    /**
     * 是否批量验证
     * @var bool
     */
    protected $batchValidate = false;

    /**
     * 控制器中间件
     * @var array
     */
    protected $middleware = [];

    /**
     * 分页数量
     * @var string
     */
    protected $pageSize = '';

    /**
     * jwt配置
     * @var string
     */
    protected $jwt_conf = [
        'secrect' => 'ae47e94a7dcd1fdfacb499b60e361a8d',
        'iss' => '', //签发者 可选
        'aud' => '', //接收该JWT的一方，可选
        'exptime' => '', //过期时间,这里设置2个小时
    ];
    /**
     * 构造方法
     * @access public
     * @param  App $app 应用对象
     */
    public function __construct(App $app)
    {
        $this->app = $app;
        $this->request = $this->app->request;
		$this->jwt_conf = get_system_config('token');
        // 控制器初始化
        $this->initialize();
    }

    // 初始化
    protected function initialize()
    {


        //每页显示数据量
        $this->pageSize = Request::param('page_size', \think\facade\Config::get('app.page_size'));
        $token = Request::header('x-Token');
        if ($token) {
            if (strpos($token, 'Bearer') === 0){
                $token = trim(substr($token, 6));
            }
            if (count(explode('.', $token)) != 3) {
                return json(['code'=>404,'msg'=>'非法请求']);
            }
            $config = get_system_config('token');

            //var_dump($config);exit;
            try {
                JWT::$leeway = 60;//当前时间减去60，把时间留点余地
                $decoded = JWT::decode($token, new Key('ae47e94a7dcd1fdfacb499b60e361a8d', 'HS256')); //HS256方式，这里要和签发的时候对应

                //return (array)$decoded;
//                $decoded_array = json_decode(json_encode($decoded),TRUE);
//                $jwt_data = $decoded_array['data'];

                $user=Db::connect('shop')->name('nk_user')->where('user_id',$decoded->jti[0])->find();
                if (!$user){
                    return json(['code'=>403,'msg'=>'签名错误']);
                    return false;
                }
                $user = Db::table('fa_user')->where('id',$user['n_user_id'])->find();
                //$request->uid = $jwt_data['userid'];
                define('JWT_UID', $user['id']);
//                $response = $next($request);
//                return $response;
                //return $next($request);
            } catch(\Firebase\JWT\SignatureInvalidException $e) {  //签名不正确
                return json(['code'=>403,'msg'=>'签名错误']);
            }catch(\Firebase\JWT\BeforeValidException $e) {  // 签名在某个时间点之后才能用
                return json(['code'=>401,'msg'=>'token失效']);
            }catch(\Firebase\JWT\ExpiredException $e) {  // token过期
                return json(['code'=>401,'msg'=>'token已过期']);
            }catch(Exception $e) {  //其他错误
                return json(['code'=>404,'msg'=>'非法请求']);
            }catch(\UnexpectedValueException $e) {  //其他错误
                return json(['code'=>404,'msg'=>'非法请求']);
            } catch(\DomainException $e) {  //其他错误
                return json(['code'=>404,'msg'=>'非法请求']);
            }
        }else{
            define('JWT_UID', '');
        }
    }

    /**
     * Api处理成功结果返回方法
     * @param      $message
     * @param null $redirect
     * @param null $extra
     * @return mixed
     * @throws ReturnException
     */
    protected function apiSuccess($msg = 'success',$data=[])
    {
		return $this->apiReturn($data, 1, $msg);
    }

    /**
     * Api处理结果失败返回方法
     * @param      $error_code
     * @param      $message
     * @param null $redirect
     * @param null $extra
     * @return mixed
     * @throws ReturnException
     */
    protected function apiError($msg = 'fail',$data=[], $code = 0)
    {
        return $this->apiReturn($data, $code, $msg);
    }

    /**
     * 返回封装后的API数据到客户端
     * @param  mixed   $data 要返回的数据
     * @param  integer $code 返回的code
     * @param  mixed   $msg 提示信息
     * @param  string  $type 返回数据格式
     * @param  array   $header 发送的Header信息
     * @return Response
     */
    protected function apiReturn($data, int $code = 0, $msg = '', string $type = '', array $header = []): Response
    {
        $result = [
            'code' => $code,
            'msg' => $msg,
            'time' => time(),
            'data' => $data,
        ];

        $type = $type ?: 'json';
        $response = Response::create($result, $type)->header($header);

        throw new HttpResponseException($response);
    }

}