using System;
using System.Collections;
using System.Collections.Generic;
using BITKit.IO;
using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.UIElements;

namespace BITKit.UX
{
#if UNITY_5_3_OR_NEWER
	public class UXApplicationFile : MonoBehaviour
	{
		[SerializeReference, SubclassSelector] private IApplicationFile applicationFile;

		[UXBindPath("save-button")]
		private Button _saveButton;
		[UXBindPath("save-as-button")]
		private Button _saveAsButton;
		[UXBindPath("reload-button")]
		private Button _reloadButton;
		[UXBindPath("load-button")]
		private Button _loadButton;
		[UXBindPath("save-path-label")]
		private Label _savePathLabel;
		private void Start()
		{
			UXUtils.Inject(this);

			_saveButton.clicked += applicationFile.Save;
			_loadButton.clicked += ()=>applicationFile.Load();
			_saveAsButton.clicked += ()=>applicationFile.SaveAs();
			_reloadButton.clicked += applicationFile.Reload;
			
			applicationFile.OnPathChanged+=OnPathChanged;
			OnPathChanged(null,applicationFile.Current);
			
			_reloadButton.SetEnabled(false);
		}

		private async void OnPathChanged(string arg1, string arg2)
		{
			await UniTask.SwitchToMainThread();
			if (destroyCancellationToken.IsCancellationRequested) return;
			if (arg2 is not null)
			{
				_savePathLabel.text = arg2;
				_reloadButton.SetEnabled(true);
			}
			else
			{
				_reloadButton.SetEnabled(false);
			}
		}
	}
#endif
}