<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Validation\ValidationException;
use Response;
use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException;
use Tymon\JWTAuth\Exceptions\TokenExpiredException;
use Tymon\JWTAuth\Exceptions\TokenInvalidException;

class ApiExceptions
{
    protected $request;

    protected $message;

    protected $code = 4000;

    public function render($request, Exception $exception)
    {
        $this->request = $request;
        $this->message = $exception->getMessage();

        if ($exception instanceof TokenExpiredException || $exception instanceof UnauthorizedHttpException || $exception instanceof TokenInvalidException) {
            $this->code = 4001;
        } elseif ($exception instanceof MethodNotAllowedHttpException) {
            $this->code    = 4005;
            $this->message = '[ ' . $request->method() . ' ] 请求方法不允许';
        } elseif ($exception instanceof NotFoundHttpException) {
            $this->code = 4004;
        } elseif ($exception instanceof ValidationException) {
            $this->code    = 4017;
            $this->message = array_shift($exception->errors())[0];
        }

        return Response::json($this->getError());
    }

    protected function getError()
    {
        return [
            'status'     => 'ERROR',
            'error_code' => $this->code,
            'message'    => $this->message,
            'api_uri'    => $this->request->url(),
        ];
    }

}