using Godot;
using System.Collections.Generic;

namespace Rokojori
{  
 

  [Tool][GlobalClass, Icon("res://addons/rokojori_action_library/Icons/Parallel.svg") ]
  public partial class RepeatSequence : SequenceAction
  {
    [Export]
    public Action action;

    [Export]
    public int maxNumRepeats = 3;
    
    [Export]
    public float maxRepeatDuration = 60;

    [Export]
    public TimeLine timeLine;


    bool stopSignal = false;


    public void Stop()
    {
      stopSignal = true;
    }

    protected override void _OnTrigger()
    {
      var id = DispatchStart();

      this.LogInfo( "Starting ID:", id );

      if ( ! ( action is SequenceAction ) )
      {        
        Trigger( action );
        DispatchEnd( id );
        return;
      }

      var tl = TimeLineManager.Ensure( timeLine );

      if ( maxNumRepeats <= 0 && ( tl == null || maxRepeatDuration <= 0 ) )
      {
        return;
      }

      var runner = new RepeatSequenceRunner();
      runner.Start( id, this );
      
    }

  

      
  }

  public class RepeatSequenceRunner
  {
    public RepeatSequence repeatSequence;
    public TimeLine timeLine;
    public int sequenceID;
    public int maxRepeats = 0;
    public int started = 0;
    public float startTime = 0;
    public float endTime = 0;

    public void Start( int id, RepeatSequence repeatSequence )
    {
      this.repeatSequence = repeatSequence;
      this.sequenceID = id;
      timeLine = TimeLineManager.Ensure( repeatSequence.timeLine );
      startTime = timeLine.position;
      endTime = startTime + repeatSequence.maxRepeatDuration;
      maxRepeats = repeatSequence.maxNumRepeats;

      Next();

    }

    public void Next()
    {
      if ( started == maxRepeats )
      {
        repeatSequence.DispatchEnd( sequenceID );
        repeatSequence.LogInfo( "Finished:", sequenceID );
        return;
      }


      started ++;
      repeatSequence.LogInfo( "Next:", sequenceID, started );
      var sa = (SequenceAction) repeatSequence.action;


      sa.onSequenceDone.Once(
        async ( fe ) =>
        {
          // repeatSequence.LogInfo( fe.success );
          await sa.RequestNextFrame();
          Next();
        }
      );

      sa.Trigger(); 

    }

  }

  
}