using Godot;
using System;

public partial class FileBar : TabBar
{
	// Called when the node enters the scene tree for the first time.

	public CodeEdit EditorWindow;
	public override void _Ready()
	{
		TabClosePressed += OnTabClosePressed;
		TabChanged += OnTabChanged;
		TabClicked += OnTabChanged;

		
	}

	public void OpenFileAsTab(string path)
	{
		AddTab(path.GetFile());
		int _ti = TabCount - 1;
		var fa = FileAccess.Open(path, FileAccess.ModeFlags.Read);
		if (fa != null)
		{
			SetTabMetadata(_ti, fa.GetAsText());
            CurrentTab = _ti;
			OnTabChanged(_ti);

        }
	}

	private void OnTabClosePressed(long tabIndex)
	{
		RemoveTab((int)tabIndex);
		if (tabIndex != 0)
		{
            CurrentTab = (int)tabIndex - 1;
			OnTabChanged(tabIndex);
        } else
		{
			EditorWindow.Text = "Create or open a file to use the editor! ";
		}
	}

	private void OnTabChanged(long index)
	{
		var meta = GetTabMetadata((int)index);
		if (meta.VariantType != Variant.Type.Nil)
		{
			EditorWindow.Text = meta.ToString();
		}
	}
}