package entities

import (
	"time"

	"gorm.io/gorm"
)

type LayingTransfer struct {
	Id                 uint           `gorm:"primaryKey"`
	TransferNumber     string         `gorm:"uniqueIndex;not null"`
	FromProjectFlockId uint           `gorm:"not null"`
	ToProjectFlockId   uint           `gorm:"not null"`
	TransferDate       time.Time      `gorm:"type:date;not null"`


	PendingUsageQty    *float64       `gorm:"type:numeric(15,3)"`
	UsageQty           *float64       `gorm:"type:numeric(15,3)"`
	ProductWarehouseId *uint          `gorm:"type:bigint"` // Source PW (PULLET)

	
	DestProductWarehouseID *uint       `gorm:"column:dest_product_warehouse_id;type:bigint"` // Destination PW (LAYER)
	TotalQty               float64    `gorm:"column:total_qty;type:numeric(15,3);default:0"`      // Total lot introduced to destination
	TotalUsed              float64    `gorm:"column:total_used;type:numeric(15,3);default:0"`       // Already consumed from this lot

	Notes              string         `gorm:"type:text"`
	CreatedBy          uint           `gorm:"not null"`
	CreatedAt          time.Time      `gorm:"autoCreateTime"`
	UpdatedAt          time.Time      `gorm:"autoUpdateTime"`
	DeletedAt          gorm.DeletedAt `gorm:"index"`

	FromProjectFlock    *ProjectFlock          `gorm:"foreignKey:FromProjectFlockId;references:Id"`
	ToProjectFlock      *ProjectFlock          `gorm:"foreignKey:ToProjectFlockId;references:Id"`
	ProductWarehouse    *ProductWarehouse      `gorm:"foreignKey:ProductWarehouseId;references:Id"`         // Source PW
	DestProductWarehouse *ProductWarehouse      `gorm:"foreignKey:DestProductWarehouseID;references:Id"`     // Destination PW
	CreatedUser         *User                  `gorm:"foreignKey:CreatedBy;references:Id"`
	Sources             []LayingTransferSource `gorm:"foreignKey:LayingTransferId;constraint:OnDelete:CASCADE"`
	Targets             []LayingTransferTarget `gorm:"foreignKey:LayingTransferId;constraint:OnDelete:CASCADE"`
	LatestApproval      *Approval              `gorm:"-" json:"-"`
}