package entities

import (
	"time"

	"github.com/google/uuid"
	"github.com/shopspring/decimal"
	"gorm.io/gorm"
)

// SubordinateWalletAllocation 主账号向下属余额划拨记录
type SubordinateWalletAllocation struct {
	ID            string          `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"唯一标识"`
	FromUserID    string          `gorm:"type:varchar(36);not null;index" json:"from_user_id" comment:"主账号用户ID"`
	ToUserID      string          `gorm:"type:varchar(36);not null;index" json:"to_user_id" comment:"子账号用户ID"`
	Amount        decimal.Decimal `gorm:"type:decimal(20,8);not null" json:"amount" comment:"金额"`
	BusinessRef   string          `gorm:"type:varchar(64);not null;index" json:"business_ref" comment:"业务单号(幂等/对账)"`
	OperatorUserID string         `gorm:"type:varchar(36);not null" json:"operator_user_id" comment:"操作者(一般同主账号)"`

	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
}

// TableName 表名
func (SubordinateWalletAllocation) TableName() string {
	return "subordinate_wallet_allocations"
}

// BeforeCreate 生成ID
func (a *SubordinateWalletAllocation) BeforeCreate(tx *gorm.DB) error {
	if a.ID == "" {
		a.ID = uuid.New().String()
	}
	return nil
}