package user

import (
	"cls-server/internal/domain/gift_log"
	"errors"
)

type UserGiftLogAggregate struct {
	user    *User
	giftLog []*gift_log.GiftLog
}

func (a *UserGiftLogAggregate) GetUser() *User {
	return a.user
}

func (a *UserGiftLogAggregate) GetGiftLogs() []*gift_log.GiftLog {
	return a.giftLog
}

func (a *UserGiftLogAggregate) SetGiftLogs(g []*gift_log.GiftLog) {
	a.giftLog = g
}

func NewUserGiftLogAggregate(user *User) *UserGiftLogAggregate {
	return &UserGiftLogAggregate{
		user:    user,
		giftLog: make([]*gift_log.GiftLog, 0),
	}
}

func (a *UserGiftLogAggregate) AddGiftToUser(l *gift_log.GiftLog) error {
	if l.Num < 1 {
		return errors.New("赠送次数不能少于1")
	}
	a.user.GiftCount += l.Num

	a.giftLog = []*gift_log.GiftLog{l}
	return nil
}