using System.Diagnostics;
using System.Collections;
using System.Collections.Generic;
using System;
using Godot;


using Rokojori.Extensions;
namespace Rokojori
{  
  [Tool]
  [GlobalClass, Icon("res://addons/rokojori_action_library/Icons/Selector.svg")]
  public partial class SelectManager:Node
  {   
    [Export]
    public Node root;

    Dictionary<Selector,Node> _singleSelections = new Dictionary<Selector, Node>();
    Dictionary<Selector,List<Node>> _listSelections = new Dictionary<Selector, List<Node>>();

    public Node GetSelectionRoot()
    {
      return root == null ? GetTree().Root : root;
    }

    public Node Select( Selector selector )
    {
      if ( selector == null )
      {
        return null;
      }

      if ( ! _singleSelections.ContainsKey( selector ) )
      {
        _singleSelections[ selector ] = GetSelectionRoot().Select( selector );
      }

      return _singleSelections[ selector ];
    }
  
    public List<Node> SelectAll( Selector selector )
    {
      if ( selector == null )
      {
        return new List<Node>();
      }

      if ( ! _singleSelections.ContainsKey( selector ) )
      {
        _listSelections[ selector ] = GetSelectionRoot().SelectAll( selector );
      }

      return _listSelections[ selector ];
    }
  }
}