<?php

namespace App\Module\Game\Validation;

use App\Module\Game\Validator\SkinIdValidator;
use App\Module\Game\Validator\UserHasSkinValidator;
use UCore\ValidationCore;

/**
 * 皮肤验证类
 *
 * 用于验证皮肤切换操作的输入数据，包括用户ID和皮肤ID
 */
class SkinValidation extends ValidationCore
{
    /**
     * 验证规则
     *
     * @param array $rules 自定义规则
     * @return array
     */
    public function rules($rules = []): array
    {
        return [
            [
                'user_id,skin_id', 'required'
            ],
            [
                'user_id,skin_id', 'integer', 'min' => 1,
                'msg' => '{attr}必须是大于0的整数'
            ],
            // 验证皮肤ID是否有效
            [
                'skin_id', new SkinIdValidator($this),
                'msg' => '皮肤ID无效'
            ],
            // 验证用户是否拥有该皮肤
            [
                'skin_id', new UserHasSkinValidator($this, ['user_id']),
                'msg' => '用户未拥有该皮肤'
            ]
        ];
    }

    /**
     * 设置默认值
     *
     * @return array
     */
    public function default(): array
    {
        return [];
    }
}