package dto

import (
	"time"

	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
)

// === DTO Structs ===

type TransferBaseDTO struct {
	Id                     uint64 `json:"id"`
	TransferReason         string `json:"transfer_reason"`
	TransferDate           string `json:"transfer_date"`
	SourceWarehouseId      uint64 `json:"source_warehouse_id"`
	DestinationWarehouseId uint64 `json:"destination_warehouse_id"`
}

type TransferListDTO struct {
	TransferBaseDTO
	CreatedBy uint64    `json:"created_by"`
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}

type TransferDetailDTO struct {
	TransferListDTO
	// Tambahkan detail produk, deliveries, dsb jika perlu
}

// === Mapper Functions ===

func ToTransferBaseDTO(e entity.StockTransfer) TransferBaseDTO {
	return TransferBaseDTO{
		Id:                     e.Id,
		TransferReason:         e.Reason, // atau field lain sesuai entity
		TransferDate:           e.CreatedAt.Format("2006-01-02"),
		SourceWarehouseId:      e.FromWarehouseId,
		DestinationWarehouseId: e.ToWarehouseId,
	}
}

func ToTransferListDTO(e entity.StockTransfer) TransferListDTO {
	return TransferListDTO{
		TransferBaseDTO: ToTransferBaseDTO(e),
		CreatedBy:       e.CreatedBy,
		CreatedAt:       e.CreatedAt,
		UpdatedAt:       e.UpdatedAt,
	}
}

func ToTransferListDTOs(e []entity.StockTransfer) []TransferListDTO {
	result := make([]TransferListDTO, len(e))
	for i, r := range e {
		result[i] = ToTransferListDTO(r)
	}
	return result
}

func ToTransferDetailDTO(e entity.StockTransfer) TransferDetailDTO {
	return TransferDetailDTO{
		TransferListDTO: ToTransferListDTO(e),
	}
}