package business

import (
	"context"
	"kra/internal/biz/business"
	"kra/internal/service/dto"
)

type PreferenceUsecase interface {
	Current(context.Context) (*business.UserPreference, error)
	UpdateCurrent(context.Context, business.UserPreference) error
}

type UserPreferenceService struct{ uc PreferenceUsecase }

func NewUserPreferenceService(uc *business.UserPreferenceUsecase) *UserPreferenceService {
	return &UserPreferenceService{uc: uc}
}

func (s *UserPreferenceService) Current(ctx context.Context) (*dto.UserPreferenceResponse, error) {
	pref, err := s.uc.Current(ctx)
	if err != nil {
		return nil, err
	}
	return &dto.UserPreferenceResponse{IncludeSubPromote: pref.IncludeSubPromote, IDCardDedup: pref.IDCardDedup}, nil
}

func (s *UserPreferenceService) UpdateCurrent(ctx context.Context, req *dto.UserPreferenceRequest) error {
	if req == nil || req.IncludeSubPromote == nil || req.IDCardDedup == nil {
		return business.ErrPreferenceRequired
	}
	return s.uc.UpdateCurrent(ctx, business.UserPreference{IncludeSubPromote: *req.IncludeSubPromote, IDCardDedup: *req.IDCardDedup})
}