savers

type CleanStatus struct {
	// Number of songs that are unavailable
	Unavailable int
	// Number of songs that were unavailable but replacement was found
	UnavailableReplaced int
	// Number of duplicates that were removed
	Duplicates int
	// List of possible duplicates that were not removed
	Similar []*SimilarTrack
	// Number of terrible song names that were removed
	Terrible int
}

type SaverJob struct {
	Playlist           string
	SaverType          string
	AllowChristmasSong bool
}

type SimilarTrack struct {
	Title1        string
	Title2        string
	AvgMatchRatio int
}

type SongSaver interface {
	// Cleans the playlist
	Clean(ctx context.Context, conf SaverJob) (*CleanStatus, error)

	// Saves song to the playlist. This method should block and return the result of saving.
	Save(ctx context.Context, conf SaverJob, artistTitle string) (*Status, error)
}

type Status struct {
	// True if song was added.
	SongAdded bool
	// True if song already existed in the playlsit
	SongExists bool
	// Title of the song found by the saver, empty if not found.
	FoundTitle string
	// Match quality 0-100
	MatchQuality int
}