<?php

declare(strict_types=1);

namespace App\Exception;

use Hyperf\Server\Exception\ServerException;
use Throwable;

class BusinessException extends ServerException
{
    /**
     * 业务异常.
     * @param int $code 错误码
     * @param string $message 错误消息
     */
    public function __construct(int $code = 500, string $message = '', ?Throwable $previous = null)
    {
        if (empty($message)) {
            $message = $this->getDefaultMessage($code);
        }

        parent::__construct($message, $code, $previous);
    }

    /**
     * 获取默认错误消息.
     */
    private function getDefaultMessage(int $code): string
    {
        $messages = [
            400 => '请求参数错误',
            401 => '未授权',
            403 => '禁止访问',
            404 => '资源不存在',
            500 => '服务器内部错误',
            10001 => '校区不存在',
            10002 => '校区已存在',
            10003 => '父级校区不存在',
            10004 => '层级参数错误',
        ];

        return $messages[$code] ?? '业务处理失败';
    }
}