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

using static BITKit.Mod.DotNetSdkRoslynService;
namespace BITKit.UX
{
	public class UXDotNetSdkRoslynService : MonoBehaviour
	{
		[UXBindPath("install-roslyn-button")]
		private Button _installButton;
		[UXBindPath("uninstall-roslyn-button")]
		private Button _uninstallButton;
		[UXBindPath("install-roslyn-fill")]
		private VisualElement _installFill;
		private void OnEnable()
		{
			OnInstall+=_OnInstall;
			OnInstalled+=_OnInstalled;
			OnUnInstalled+=_OnUnInstalled;
			OnDownloadProgress+=_OnDownloadProgress;
			OnInstallFailed += _OnInstallFailed;
		}

		private void OnDisable()
		{
			OnInstall-=_OnInstall;
			OnInstalled-=_OnInstalled;
			OnUnInstalled-=_OnUnInstalled;
			OnDownloadProgress-=_OnDownloadProgress;
			OnInstallFailed -= _OnInstallFailed;
		}

		private void Start()
		{
			UXUtils.Inject(this);

			if (Installed)
			{
				_OnInstalled();
			}
			else
			{
				_OnUnInstalled();
			}
			_installButton.clicked +=()=>Install().Forget();
			_uninstallButton.clicked +=()=>
			{
				_uninstallButton.SetEnabled(false);
				UnInstall().Forget();
			};
			
		}
		private void _OnInstall()
		{
			_installButton.text = "准备中...";
			_installButton.SetEnabled(false);
			_uninstallButton.SetEnabled(false);
		}
		private void _OnUnInstalled()
		{
			_installButton.text = "安装";
			_uninstallButton.SetEnabled(false);
			_installButton.SetEnabled(true);
			_installFill.style.width = new StyleLength(Length.Percent(0));
		}
		private void _OnInstalled()
		{
			_installButton.text = "重新安装";
			_installButton.SetEnabled(true);
			_uninstallButton.SetEnabled(true);
			_installFill.style.width = new StyleLength(Length.Percent(0));
		}
		private void _OnDownloadProgress(float progress)
		{
			if (progress >= 1)
			{
				_installButton.text = "安装中...";
			}
			else
			{
				_installButton.text = $"下载中...{progress:P}";
			}
			
			_installFill.style.width = new StyleLength(Length.Percent((int)(progress * 100)));
		}

		private void _OnInstallFailed(Exception e)
		{
			_installButton.tooltip = e.Message;
		}
	}

}