<?php

namespace App\Exception\Handler;

use App\Lib\AdminReturn;
use Hyperf\ExceptionHandler\ExceptionHandler;
use Hyperf\HttpServer\Request;
use Psr\Http\Message\ResponseInterface;
use Throwable;
use Hyperf\Validation\ValidationException;
use Hyperf\HttpMessage\Stream\SwooleStream;

class ValidationDataExceptionHandler extends ExceptionHandler
{
    public function __construct(protected AdminReturn $adminReturn)
    {
    }

    /**
     * 验证器异常处理
     * @param Throwable $throwable
     * @param ResponseInterface $response
     * @return ResponseInterface
     */
    public function handle(Throwable $throwable, ResponseInterface $response): ResponseInterface
    {
        if ($throwable instanceof ValidationException) {
            // 格式化输出
            $request = new Request();
            $url = $request->path();

            $urlArr = explode('/',$url);

            if ($urlArr[0] == 'admin') {
                $result = $this->adminReturn->error($throwable->validator->errors()->first());
            }else{
                //todo api
                $result = $this->adminReturn->error($throwable->validator->errors()->first());
            }

            // 阻止异常冒泡
            $this->stopPropagation();

            if (!is_array($result)){
                return $response->withHeader("Content-Type", "application/json")
                    ->withStatus(200)
                    ->withBody(new SwooleStream($result));
            }

            return $response->withHeader("Content-Type", "application/json")
                ->withStatus(200)
                ->withBody(new SwooleStream(json_encode($result, JSON_UNESCAPED_UNICODE)));
        }

        // 交给下一个异常处理器
        return $response;
    }

    public function isValid(Throwable $throwable): bool
    {
        return true;
    }
}