package entities

import (
	"time"

	"gorm.io/gorm"
)

const (
	LogTypeAdjustment = "ADJUSTMENT"
	LogTypeTransfer   = "TRANSFER"
)

const (
	TransactionTypeIncrease = "INCREASE"
	TransactionTypeDecrease = "DECREASE"
)

type StockLog struct {
	Id                 uint           `gorm:"primaryKey;column:id"`
	TransactionType    string         `gorm:"type:varchar(20);not null"`
	Quantity           float64        `gorm:"type:numeric(15,3);not null"`
	BeforeQuantity     float64        `gorm:"type:numeric(15,3);not null"`
	AfterQuantity      float64        `gorm:"type:numeric(15,3);not null"`
	LogType            string         `gorm:"type:varchar(50);not null;index:stock_logs_flaggable_lookup,priority:1"`
	LogId              uint           `gorm:"not null;index:stock_logs_flaggable_lookup,priority:2"`
	Note               string         `gorm:"type:text"`
	ProductWarehouseId uint           `gorm:"not null;index"`
	CreatedBy          uint           `gorm:"index"`
	CreatedAt          time.Time      `gorm:"autoCreateTime"`
	UpdatedAt          time.Time      `gorm:"autoUpdateTime"`
	DeletedAt          gorm.DeletedAt `json:"-" gorm:"index"`

	ProductWarehouse *ProductWarehouse `json:"product_warehouse,omitempty" gorm:"foreignKey:ProductWarehouseId;references:Id"`
	CreatedUser      *User             `json:"created_user,omitempty" gorm:"foreignKey:CreatedBy;references:Id"`
}