using Godot;
using VirtualChemistry.Constants;

public partial class AddAtom : MenuButton
{
	public CompoundConstructor CompoundConstructor => GlobalScene.CompoundConstructor;

	private void BuildMenu()
	{
		PopupMenu menu = GetPopup();
		menu.Clear();
		foreach (var w in menu.GetSignalConnectionList(PopupMenu.SignalName.IdPressed))
			menu.Disconnect(PopupMenu.SignalName.IdPressed, w["callable"].AsCallable());
		for (int i = 1; i <= 15; i++)
			menu.AddItem(ChemistryConstant.ElementSymbols[i-1], i);
		menu.Connect(PopupMenu.SignalName.IdPressed, Callable.From((int idx) => MenuHandle(idx)));
	}

	private void MenuHandle(int idx) => CompoundConstructor.AddAtomOf(idx);

	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
		BuildMenu();
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
	}
}