package entities

import "time"

// DETAIL PRODUK
type StockTransferDetail struct {
	Id              uint64 `gorm:"primaryKey;autoIncrement"`
	StockTransferId uint64
	ProductId       uint64

	// === FIFO FIELDS - SOURCE WAREHOUSE (Usable) ===
	// Tracking stock yang DIAMBIL dari source warehouse
	SourceProductWarehouseID *uint64 `gorm:"column:source_product_warehouse_id"`
	UsageQty                 float64 `gorm:"column:usage_qty;default:0"`   // Actual yang berhasil diambil
	PendingQty               float64 `gorm:"column:pending_qty;default:0"` // Yang pending (nunggu stock)

	// === FIFO FIELDS - DESTINATION WAREHOUSE (Stockable) ===
	// Tracking stock yang DITAMBAHKAN ke destination warehouse
	DestProductWarehouseID *uint64 `gorm:"column:dest_product_warehouse_id"`
	TotalQty               float64 `gorm:"column:total_qty;default:0"`  // Total lot yang tersedia
	TotalUsed              float64 `gorm:"column:total_used;default:0"` // Yang sudah dipakai dari lot ini

	// === METADATA ===
	CreatedAt time.Time
	UpdatedAt time.Time
	DeletedAt *time.Time `gorm:"index"`

	// === RELATIONS ===
	StockTransfer          *StockTransfer              `gorm:"foreignKey:StockTransferId"`
	Product                *Product                    `gorm:"foreignKey:ProductId"`
	SourceProductWarehouse *ProductWarehouse           `gorm:"foreignKey:SourceProductWarehouseID"`
	DestProductWarehouse   *ProductWarehouse           `gorm:"foreignKey:DestProductWarehouseID"`
	DeliveryItems          []StockTransferDeliveryItem `gorm:"foreignKey:StockTransferDetailId"`
}