using Godot;

using Rokojori.Extensions;
namespace Rokojori;

[Tool]
[GlobalClass, Icon("res://addons/rokojori_action_library/Icons/StateTransition.svg")]
public partial class StateTransition:Node
{
  [Export]
  public SceneCondition sceneCondition;

  [Export]
  public Condition condition;

  [Export]
  public Receptor receptor;

  // Transitioning to a null targetState ends the owning StateMachine.
  [Export]
  public State targetState;


  [Export]
  public Action onTransition;

  
  [ExportToolButton( "Set Reference Name" )]
  public Callable setReferencedNameButton => Callable.From(
    ()=>
    { 
      if ( targetState == null )
      {
        this.Name = "▸ (nothing)";
      }
      else
      {
        this.Name = "▸ " + targetState.Name;
      }
    }
  );

  public bool IsTriggered()
  {
    if ( sceneCondition?.Evaluate() ?? false )
    {
      return true;
    }

    if ( condition?.Evaluate() ?? false )
    {
      return true;
    }

    if ( receptor?.activated ?? false )
    {
      return true;
    }

    return false;
  }
}