namespace AudioCore.Interfaces;

public interface IStemPlaybackEngine
{
    PlaybackSession? CurrentSession { get; }

    Task LoadSessionAsync(PlaybackSession session, IProgressReporter<TimeSpan> progressReporter);

    // Transport
    Task PlayAsync();
    Task PauseAsync();
    Task StopAsync();
    Task SeekAsync(TimeSpan position);

    // Loop
    void SetLoop(TimeSpan start, TimeSpan end);
    void ClearLoop();

    // Speed
    void SetSpeed(double speedFactor);

    // Mixer
    void SetStemEnabled(int stemNo, bool enabled);
    void SetStemGain(int stemNo, float gainDb);
    void SetStemPan(int stemNo, float pan);
}