using Godot;
using System;

public class InteractionModes : Node
{
    [Export]
    private NodePath _buildModePath;
    private BuildMode _buildMode;

    [Signal]
    delegate void OnInteractionModeChanged(Mode oldMode, Mode newMode);

    private Mode Mode
    {
        get => _current;
        set
        {
            if (_current == value)
                return;

            if (value != null)
            {
                GD.Print($"set interaction mode: {value}");
            }
            else if (_current != null)
            {
                GD.Print($"clear interaction mode");
            }

            var old = _current;
            _current = value;
            EmitSignal(nameof(OnInteractionModeChanged), old, _current);
        }
    }
    private Mode _current = null;

    public override void _Ready()
    {
        base._Ready();

        _buildMode = GetNode<BuildMode>(_buildModePath);
    }

    public void _on_Build_Mode_OnModeEntered()
    {
        Mode = _buildMode;
    }
    public void _on_Build_Mode_OnModeExited()
    {
        Mode = null;
    }

    public void Reset()
    {
        _buildMode.Disable();
    }
}