using Chickensoft.AutoInject;
using Chickensoft.GodotNodeInterfaces;
using Chickensoft.Introspection;
using Godot;

namespace GameJamDungeon;
public interface IPauseMenu : IControl
{
  void FadeIn();
  void FadeOut();
  event PauseMenu.UnpauseButtonPressedEventHandler UnpauseButtonPressed;
  event PauseMenu.TransitionCompletedEventHandler TransitionCompleted;
}

[Meta(typeof(IAutoNode))]
public partial class PauseMenu : Control, IPauseMenu
{
  public override void _Notification(int what) => this.Notify(what);

  [Signal]
  public delegate void TransitionCompletedEventHandler();
  [Signal]
  public delegate void UnpauseButtonPressedEventHandler();

  [Node] public IAnimationPlayer AnimationPlayer { get; set; } = default!;

  public void OnResolved()
  {
    AnimationPlayer.AnimationFinished += OnAnimationFinished;
  }

  public void FadeIn() => AnimationPlayer.Play("fade_in");

  public void FadeOut() => AnimationPlayer.Play("fade_out");

  public override void _UnhandledInput(InputEvent @event)
  {
    if (@event.IsActionPressed(GameInputs.Pause))
      EmitSignal(SignalName.UnpauseButtonPressed);
  }

  public void OnAnimationFinished(StringName name)
  {
  }
}