namespace QuikDawEditor;

public partial class ProjectPlayer 
{
    MicroTimer projPlayTimer;
    float[] sendFloats;
    public double ProcessingRateMs;

    ////An even numbered Rate for 44.1k
    //public double ProcessingRateMs = 20;      //Timer (cycle) passes
    //internal int blockSize = 441; (220.5)
    ////...nearly all other hosts process blocks with a constant size of 2^n samples like 64, 128, 256, 512 

    internal int blockSize = 288; // ProcessingRateMs => 13.0612244898D;
    //internal int blockSize = 256;    // ProcessingRateMs => 11.6099xxx;
    //internal int blockSize = 340;  //  ProcessingRateMs => 15.419501133786849D; 

    //private double CalculateProcessingRate => (double)sendFloats.Length / 44.1 / 4D;
    private double CalculateProcessingRate => (double)sendFloats.Length / 44.1 / 2D;

    internal void CreateTimer()
    {
        //sendFloats = new float[blockSize * 8];
        sendFloats = new float[blockSize * 4];
        ProcessingRateMs = CalculateProcessingRate;
        projPlayTimer = new MicroTimer((long)ProcessingRateMs * 1000);
        projPlayTimer.MicroTimerElapsed += projPlayTimer_MicroTimerElapsed;

        SendLocalMessage("Processing RateMs=" + ProcessingRateMs);

    }

    //internal bool StopAntiClickOn = false;

    private void projPlayTimer_MicroTimerElapsed(object sender, MicroTimerEventArgs timerEventArgs)
    {
        try
        {
            
            if (IsProjectPlaying)
                CurrentPlayingPosMS += ProcessingRateMs;

            //Keep reading even if play is stopped (allow midi input to be heard)
            try
            {
                int readcount = mmsp.Read(sendFloats, 0, sendFloats.Length);
                bufferedSampleProvider.AddSamples(sendFloats, 0, readcount);
            }
            catch { }

            if (IsMidiArmed)
                if (editingProject.GetRecordingTrack != null)
                    foreach (ActiveVstPlugin avp in editingProject.GetRecordingTrack.TrackInstrumentVsts.Where(vsti => vsti.IsActive))
                    {
                        avp.myContext.PluginCommandStub.Commands.ProcessEvents(avp.midEventsToSend.ToArray());               //this line causes error and app exit
                        avp.midEventsToSend.Clear();
                    }
        }

        catch (Exception ex ) { Debug.WriteLine("Error in microtimer:\n" + ex.Message); }

    }


}