package entities

import (
	"time"

	"github.com/google/uuid"

	"gorm.io/gorm"
)

type ExpenseItem struct {
	ID               uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
	ExpenseID        uuid.UUID `gorm:"type:uuid;not null;index" json:"expense_id"`
	ChartOfAccountID uuid.UUID `gorm:"type:uuid;not null;index" json:"chart_of_account_id"`
	Description      *string   `gorm:"type:text" json:"description"`
	Amount           float64   `gorm:"type:decimal(15,2);not null;default:0" json:"amount"`
	CreatedAt        time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt        time.Time `gorm:"autoUpdateTime" json:"updated_at"`

	Expense        *Expense        `gorm:"foreignKey:ExpenseID" json:"expense,omitempty"`
	ChartOfAccount *ChartOfAccount `gorm:"foreignKey:ChartOfAccountID" json:"chart_of_account,omitempty"`
}

func (e *ExpenseItem) BeforeCreate(tx *gorm.DB) error {
	if e.ID == uuid.Nil {
		e.ID = uuid.New()
	}
	return nil
}

func (ExpenseItem) TableName() string {
	return "expense_items"
}