using Godot;

namespace Cirno.Scripts.Interactables._3D;

[Tool]
public partial class AnimatedSwitch3D : Switch3D
{
    [Export] public DoorState State { get; set; } = DoorState.Closed;

    [Signal]
    public delegate void OpeningEventHandler();

    [Signal]
    public delegate void ClosingEventHandler();

    [Signal]
    public delegate void SetClosedEventHandler();

    [Signal]
    public delegate void SetOpenEventHandler();

    private bool _isAnimating = false;

    public override void _Ready()
    {
        if (Engine.IsEditorHint()) return;
        base._Ready();

        SyncAnimation();
    }

    private void SyncAnimation()
    {
        if (State is DoorState.Closed)
        {
            EmitSignalSetClosed();
        }
        else
        {
            EmitSignalSetOpen();
        }
    }

    public void ClosedAnimationFinished()
    {
        State = DoorState.Closed;
        _isAnimating = false;
    }

    public void OpenAnimationFinished()
    {
        State = DoorState.Open;
        _isAnimating = false;
    }

    private void ChangeState(DoorState newState)
    {
        if (_isAnimating) return;
        if (State == newState) return;

        switch (newState)
        {
            case DoorState.Open:
                EmitSignalOpening();
                break;
            case DoorState.Closed:
                EmitSignalClosing();
                break;
        }

        _isAnimating = true;
    }

    public override bool Activate(ActivationType activationType = ActivationType.Toggle)
    {
        if (_isAnimating) return false;

        switch (State)
        {
            case DoorState.Closed:
                if (base.Activate(ActivationType.Open))
                {
                    ChangeState(DoorState.Open);
                    return true;
                }

                break;
            case DoorState.Open:
                if (base.Activate(ActivationType.Close))
                {
                    ChangeState(DoorState.Closed);
                    return true;
                }

                break;
        }

        return false;
    }
}