using System;
using System.Data;
using System.Net.Http;
using Cysharp.Threading.Tasks;
using Godot;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace BITKit.Apps;
[CustomType(typeof(IApplicationService))]
public partial class GodotBasedApplicationService:EntityBehaviour, IApplicationService
{
	private static readonly System.Net.Http.HttpClient _httpClient = new();
	[Export] public string DownloadLatestUrl { get; set; }
	[Export] public string CheckLatestVersionUrl { get; set; }
	
	public event Action<string> OnClientVersionCheck;
	public event Action<string> OnLatestVersionCheck;
	public event Action<string> OnDownloadLatest;
	public event Action<float> OnDownloadProgress;
	public event Action<string> OnDownloadComplete;
	public event Action OnDetectedLatestVersion;


	public override async void OnStart()
	{
		BIT4Log.Log<IApplicationService>("正在初始化...");
		
		var clientVersion = ProjectSettings.GetSetting("application/config/version").AsString();
		
		BIT4Log.Log<IApplicationService>($"当前版本:{clientVersion}");
		
		OnClientVersionCheck?.Invoke(clientVersion);
		
		var response =await _httpClient.GetAsync(CheckLatestVersionUrl,Entity.CancellationToken);
		if (response.IsSuccessStatusCode is false)
		{
			throw new HttpRequestException(response.StatusCode.ToString());
		}
		var version =await response.Content.ReadAsStringAsync(Entity.CancellationToken);
		
		OnLatestVersionCheck?.Invoke(version);

		if (clientVersion != version)
		{
			OnDetectedLatestVersion?.Invoke();
		}
		
		BIT4Log.Log<IApplicationService>($"最新版本:{version}");
	}

	public UniTask<string> DownloadLatestVersionAsync()
	{
		throw new NotImplementedException();
	}
}