package listing

import "log/slog"

type Repository interface {
	GetAll() ([]Listing, error)
	GetByCategory(category string) ([]Listing, error)
}

type Service struct {
	repository Repository
}

func New(r Repository) *Service {
	return &Service{repository: r}
}

func (s *Service) GetAll() ([]Listing, error) {
	listings, err := s.repository.GetAll()
	if err != nil {
		slog.Error("listing service", "error", err)
		return nil, err
	}

	return listings, nil
}

func (s *Service) GetByCategory(c string) ([]Listing, error) {
	listings, err := s.repository.GetByCategory(c)
	if err != nil {
		slog.Error("listing service", "error", err)
		return nil, err
	}

	return listings, nil
}