interfaces

type Command interface {
	Aliases() []string
	Description() string
	IsAdminCommand() bool
	Execute(user *gumble.User, args ...string) (string, bool, error)
}

type Playlist interface {
	GetID() string
	GetTitle() string
	GetSubmitter() string
	GetService() string
}

type Queue interface {
	Length() int
	Reset()
	AppendTrack(Track) error
	InsertTrack(int, Track) error
	CurrentTrack() (Track, error)
	GetTrack(int) Track
	PeekNextTrack() (Track, error)
	Traverse(func(int, Track))
	ShuffleTracks()
	RandomNextTrack(bool)
	Skip()
	SkipPlaylist()
	PlayCurrent() error
	PauseCurrent() error
	ResumeCurrent() error
	StopCurrent() error
}

type Service interface {
	GetReadableName() string
	GetFormat() string
	CheckAPIKey() error
	CheckURL(string) bool
	GetTracks(string, *gumble.User) ([]Track, error)
}

type SkipTracker interface {
	AddTrackSkip(*gumble.User) error
	AddPlaylistSkip(*gumble.User) error
	RemoveTrackSkip(*gumble.User) error
	RemovePlaylistSkip(*gumble.User) error
	NumTrackSkips() int
	NumPlaylistSkips() int
	ResetTrackSkips()
	ResetPlaylistSkips()
}

type Track interface {
	GetID() string
	GetURL() string
	GetTitle() string
	GetAuthor() string
	GetAuthorURL() string
	GetSubmitter() string
	GetService() string
	GetFilename() string
	GetThumbnailURL() string
	GetDuration() time.Duration
	GetPlaybackOffset() time.Duration
	GetPlaylist() Playlist
}