package service

import (
	"butterfliu/config"
	"butterfliu/internal/model"
	"butterfliu/internal/repository"
	"butterfliu/internal/util"
	"path"
	"strconv"
)

type SongService struct {
	songRepo  *repository.SongRepository
	mediaRepo *repository.MediaRepository
}

func NewSongService(songRepo *repository.SongRepository, mediaRepo *repository.MediaRepository) *SongService {
	return &SongService{
		songRepo:  songRepo,
		mediaRepo: mediaRepo,
	}
}

func (s *SongService) GetAllWithDetails() ([]model.SongDetail, error) {
	return s.songRepo.GetAllWithDetails()
}

func (s *SongService) GetByIDWithDetails(id int) (model.SongDetail, error) {
	return s.songRepo.GetWithDetails(id)
}

// GetMediaFilePath returns the file path of a song by its song ID.
func (s *SongService) GetMediaFile(id int) (model.MediaFile, error) {
	song, err := s.songRepo.Get(id)
	if err != nil {
		return model.MediaFile{}, err
	}
	return s.mediaRepo.Get(song.MediaFileID)
}

func (s *SongService) GetCover(id int) (string, error) {
	file, err := s.GetMediaFile(id)
	if err != nil {
		return "", err
	}
	util.ExtractCover(file.Path, id)
	conf := config.LoadConfig()
	return path.Join(conf.GetCachePath("cover"), strconv.Itoa(id)+".jpg"), nil
}