using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using BITKit;
using BITKit.UX;
using UnityEngine;
using UnityEngine.UIElements;

namespace BITFALL.UX
{
	public class UXOnScreenPrompts : MonoBehaviour
	{
		[RuntimeInitializeOnLoadMethod]
		private static void Reload()
		{
			_Prompts.Clear();
			_OnScreenPrompts.Clear();
		}
		public static void Get(string path,string text)
		{
			var list =_Prompts.GetOrCreate(path);
			list.TryAdd(text);
			var label = _OnScreenPrompts.GetOrAdd(path,CreateLabel);
			label.visualElement.SetActive(true);
			label.contextLabel.text = string.Join("\\",list);
		}
		public static void Release(string path, string text)
		{
			var list = _Prompts.GetOrCreate(path);
			list.TryRemove(text);
			var label = _OnScreenPrompts.GetOrAdd(path, CreateLabel);
			if (list.Count is 0)
			{
				label.visualElement.SetActive(false);
			}
		}

		public static void Release(string path)
		{
			var list = _Prompts.GetOrCreate(path);
			list.Clear();
			var label = _OnScreenPrompts.GetOrAdd(path, CreateLabel);
			label.visualElement.SetActive(false);
		}

		private static UXContainer CreateLabel(string arg)
		{
			var clone = RootVisualElement.Create<VisualElement>(VisualTreeAsset.CloneTree);
			var label =new UXContainer(clone);
			label.titleLabel.text = arg;
			return label;
		}

		private static VisualElement RootVisualElement;
		private static VisualTreeAsset VisualTreeAsset;

		
		private static readonly ConcurrentDictionary<string,List<string>> _Prompts=new();
		private static readonly ConcurrentDictionary<string, UXContainer> _OnScreenPrompts = new();

		[SerializeField] private UIDocument document;
		[SerializeField] private VisualTreeAsset visualTreeAsset;

		[UXBindPath("prompts-container")]
		private VisualElement container;

		private void Start()
		{
			BITKit.UX.UXUtils.Inject(this);
			RootVisualElement = container;
			VisualTreeAsset = visualTreeAsset;
			
			container.Clear();
		}
	}
}