package models

// InventoryDetail 库存明细表（库位级）
type InventoryDetail struct {
	ID                int64  `json:"id" gorm:"primarykey;comment:明细ID"`
	WarehouseID       int64  `json:"warehouse_id" gorm:"not null;default:0;index;comment:仓库ID"`
	LocationID        int64  `json:"location_id" gorm:"not null;default:0;uniqueIndex:uk_location_product_batch;index;comment:库位ID"`
	ProductID         int64  `json:"product_id" gorm:"not null;default:0;uniqueIndex:uk_location_product_batch;index;comment:商品ID"`
	BatchNo           string `json:"batch_no" gorm:"size:100;not null;default:'';uniqueIndex:uk_location_product_batch;index;comment:批次号"`
	ProductionDate    int64  `json:"production_date" gorm:"not null;default:0;comment:生产日期时间戳(秒)"`
	ExpiryDate        int64  `json:"expiry_date" gorm:"not null;default:0;index;comment:失效日期时间戳(秒)"`
	Quantity          int64  `json:"quantity" gorm:"not null;default:0;comment:当前数量（最小单位）"`
	LockedQuantity    int64  `json:"locked_quantity" gorm:"not null;default:0;comment:锁定数量"`
	AvailableQuantity int64  `json:"available_quantity" gorm:"->;comment:可用数量"`
	CreatedAt         int64  `json:"created_at" gorm:"type:bigint;not null;default:0;comment:创建时间戳(秒)"`
	UpdatedAt         int64  `json:"updated_at" gorm:"type:bigint;not null;default:0;comment:更新时间戳(秒)"`
	IsDel             int8   `json:"is_del" gorm:"type:tinyint(1);not null;default:0;comment:逻辑删除标记(0:未删除,1:已删除)"`
}

func (InventoryDetail) TableName() string {
	return "inventory_detail"
}

func (InventoryDetail) TableOptions() string {
	return "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='库存明细表（库位级）'"
}