using System.Reflection;
using System.Runtime;
using System.Text;
using Lagrange.OneBot.Extensions;
using Microsoft.Extensions.Hosting;

namespace Lagrange.OneBot;

internal abstract class Program
{
    public static async Task Main(string[] args)
    {
        string? version = Assembly
            .GetAssembly(typeof(Program))
            ?.GetCustomAttribute<AssemblyInformationalVersionAttribute>()
            ?.InformationalVersion;

        Console.ForegroundColor = ConsoleColor.Magenta;
        if (Console.BufferWidth >= 45)
        {
            Console.WriteLine(
                $$"""
                   __
                  / / ___ ____ ________ ____  ___ ____
                 / /_/ _ `/ _ `/ __/ _ `/ _ \/ _ `/ -_)
                /____|_,_/\_, /_/  \_,_/_//_/\_, /\__/
                         /___/   ____       /___/__       __
                                / __ \___  ___ / _ )___  / /_
                               / /_/ / _ \/ -_) _  / _ \/ __/
                               \____/_//_/\__/____/\___/\__/
                """
            );
        }
        else
            Console.WriteLine("Lagrange.OneBot");

        Console.ResetColor();

        Console.WriteLine($"Version: {version?[^40..] ?? "unknown"}\n");

        
        // AutoUpdate
        var updater = new Updater.GithubUpdater();
        await updater.GetConfig();
        if (updater.Config.EnableAutoUpdate)
        {
            Console.WriteLine("Auto update enabled, Checking for updates...");
            try
            {
                if (await updater.CheckUpdate())
                {
                    Console.WriteLine($"Update available, downloading...");
                    await updater.Update();
                }
                else
                {
                    Console.WriteLine("No updates available, continuing...");
                }

                if (updater.Config.CheckInterval > 0)
                {
                    Console.WriteLine(
                        $"Interval check enabled, Next check in {updater.Config.CheckInterval} seconds."
                    );
                    updater.StartIntervalCheck();
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(
                    $"Error checking for updates: {e.Message}, please check your network connection or config file, use proxy if needed."
                );
            }
        }

        Console.OutputEncoding = Encoding.UTF8;
        Console.InputEncoding = Encoding.UTF8;

        GCSettings.LatencyMode = GCLatencyMode.Batch;

        if (!File.Exists("appsettings.json"))
        {
            Console.WriteLine("No exist config file, create it now...");

            var assm = Assembly.GetExecutingAssembly();
            using var istr = assm.GetManifestResourceStream(
                "Lagrange.OneBot.Resources.appsettings.json"
            )!;
            using var temp = File.Create("appsettings.json");
            istr.CopyTo(temp);

            istr.Close();
            temp.Close();

            Console.WriteLine(
                "Please Edit the appsettings.json to set configs and press any key to continue"
            );
            Console.ReadKey(true);
        }

        await Host.CreateApplicationBuilder()
            .ConfigureLagrangeCore()
            .ConfigureOneBot()
            .Build()
            .InitializeMusicSigner() // Very ugly (
            .RunAsync();
    }
}