package models

import (
	"time"

	"github.com/shopspring/decimal"
)

// ProductSkuUser 用户产品SKU表
type ProductSkuUser struct {
	ID           int32            `json:"id" gorm:"column:id;primaryKey"`
	UserID       int32            `json:"user_id" gorm:"column:user_id"`               // 用户ID
	ProductSkuID int32            `json:"product_sku_id" gorm:"column:product_sku_id"` // 产品SKU ID
	Price        *decimal.Decimal `json:"price,omitempty" gorm:"column:price"`         // 定价（覆盖SKU定价）
	Discount     *float32         `json:"discount,omitempty" gorm:"column:discount"`   // 折扣（覆盖SKU折扣）
	CreatedAt    time.Time        `json:"created_at" gorm:"column:created_at"`
	UpdatedAt    time.Time        `json:"updated_at" gorm:"column:updated_at"`

	User       *User       `json:"user,omitempty" gorm:"foreignKey:UserID"`
	ProductSku *ProductSku `json:"product_sku,omitempty" gorm:"foreignKey:ProductSkuID"`
}