<?php

namespace App\Module\OpenAPI\Validations;

use App\Module\OpenAPI\Validators\DiamondAmountValidator;
use App\Module\OpenAPI\Validators\UserExistenceValidator;
use UCore\ValidationCore;

/**
 * 钻石充值验证类
 * 
 * 验证钻石充值请求的参数
 */
class DiamondRechargeValidation extends ValidationCore
{
    /**
     * 用户对象，由 UserExistenceValidator 设置
     */
    public ?\App\Module\User\Models\User $user = null;

    /**
     * 格式化后的金额，由 DiamondAmountValidator 设置
     */
    public ?float $formattedAmount = null;

    /**
     * 验证规则
     *
     * @param array $rules 额外规则
     * @return array
     */
    public function rules($rules = []): array
    {
        return [
            // 基础字段验证
            ['user_id', 'required'],
            ['user_id', 'integer'],
            ['user_id', 'min', 'range' => 1],
            
            ['amount', 'required'],
            ['amount', 'number'],
            ['amount', 'min', 'range' => 0.0000000001], // 最小金额 0.0000000001 钻石
            
            // 可选字段验证
            ['order_id', 'string'],
            ['order_id', 'max', 'range' => 100],
            
            ['remark', 'string'],
            ['remark', 'max', 'range' => 255],
            
            // 业务验证（按顺序执行）
            [
                'user_id', 
                new UserExistenceValidator($this, ['user']),
                'msg' => '目标用户不存在或状态异常',
                'when' => function($data) {
                    return isset($data['user_id']);
                }
            ],
            
            [
                'amount', 
                new DiamondAmountValidator($this, ['formattedAmount']),
                'msg' => '钻石金额格式错误或超出精度范围',
                'when' => function($data) {
                    return isset($data['amount']);
                }
            ],
        ];
    }

    /**
     * 获取验证后的安全数据
     *
     * @param bool $asObject 是否返回对象
     * @return array|object
     */
    public function getSafeData(bool $asObject = false): array|object
    {
        $data = parent::getSafeData($asObject);

        // 如果返回对象，直接返回
        if ($asObject) {
            return $data;
        }

        // 使用格式化后的金额
        if ($this->formattedAmount !== null) {
            $data['amount'] = $this->formattedAmount;
        }

        return $data;
    }

    /**
     * 获取字段标签
     *
     * @return array
     */
    public function attributeLabels(): array
    {
        return [
            'user_id' => '目标用户ID',
            'amount' => '充值金额',
            'order_id' => '订单号',
            'remark' => '备注',
        ];
    }
}