using Godot;


namespace Rokojori
{  
  [GlobalClass,Icon("res://addons/rokojori_action_library/Icons/RJSensor.svg")]
  public partial class MouseMotionDelta : RJSensor
  {
    public enum MouseMotionType
    {
      Right,
      Left,
      Up,
      Down
    }

    [Export]
    public MouseMotionType motionType;

    [Export]
    public float speedMultiply = 1;

    bool _isActive = false;
    bool _wasActive = false;
    float _value = 0;
    float axisActivationTreshold = 0.5f;
    float _lastInput = 0;

    public override void _Process( double delta )
    {
      UpdateValue( _lastInput );
      _lastInput = 0;
    }

    public override void _Input( InputEvent ev )
    {
      var mouseEvent = ev as InputEventMouseMotion ;

      if ( mouseEvent == null )
      {
        return;
      } 

      var delta = mouseEvent.ScreenRelative;
      var motion = 0f;

      if ( MouseMotionType.Left == motionType)
      {
        motion = Mathf.Max( 0, -delta.X );
      }
      else if ( MouseMotionType.Right == motionType)
      {
        motion = Mathf.Max( 0, delta.X );
      }
      else if ( MouseMotionType.Up == motionType)
      {
        motion = Mathf.Max( 0, delta.Y );
      }
      if ( MouseMotionType.Down == motionType)
      {
        motion = Mathf.Max( 0, -delta.Y );
      } 

      // RJLog.Log( "Motion:", motionType, motion * speedMultiply );

      _lastInput = motion * speedMultiply;
  
    }

    public override bool IsActive()
    {
      return _isActive;
    }

    public override bool WasActive()
    {
      return _wasActive;
    }

    public override float GetValue()
    {
      return _value;
    }

    public override void UpdateValue( float value )
    {
      _value = value;

      _wasActive = _isActive;
      _isActive = _value > axisActivationTreshold;
    }
        
  }
}