using System.Reflection;
using Castle.Core.Logging;
using ModpackUpdater.Manager;
using Pilz.Extensions;

namespace ModpackUpdater.Apps.Client;

public static class Program
{
    private static readonly ILogger log = new ConsoleLogger();

    public static ILogger Log => log;
    internal static Options Options { get; private set; } = null!;

    [STAThread]
    internal static void Main(string[] args)
    {
        Options = new Options(args);
        if (Options.Help)
        {
            DrawInfo();
            Options.DrawHelp();
            return;
        }

        if (!Options.Silent)
            DrawInfo();
        InstallWithoutGui(Options.UpdateOptions, Options.Silent);
    }

    private static void DrawInfo()
    {
        Console.WriteLine("Minecraft Modpack Updater CLI");
        Console.WriteLine("Version " + Assembly.GetExecutingAssembly().GetAppVersion().ToShortString());
        Console.WriteLine("------------------------------");
    }

    private static void InstallWithoutGui(UpdateCheckOptionsAdv updateOptions, bool silent)
    {
        var info = ModpackInfo.TryLoad(updateOptions.ProfileFolder);
        var config = ModpackConfig.LoadFromUrl(CheckModpackConfigUrl(updateOptions.ModpackConfig!, info));
        var features = new ModpackFeatures(config);

        // Check features
        if (!string.IsNullOrWhiteSpace(updateOptions.ExtrasKey))
            info.ExtrasKey = updateOptions.ExtrasKey;
        if (!string.IsNullOrWhiteSpace(info.ExtrasKey))
            updateOptions.IncludeExtras = features.IsEnabled(ModpackFeatures.FeatureAllowExtas, new AllowExtrasFeatureContext(info));

        // Check for update
        var installer = new ModpackInstaller(config, info)
        {
            OverwriteRefTag = Options.RefTag,
            OverwriteVersion = Options.Version,
            Log = Log,
        };
        var result = installer.Check(updateOptions).Result;

        if (result.HasUpdates)
        {
            var success = installer.Install(result).Result;
            if (!silent)
                Log.Info($"Installation {(success ?? false ? "completed successfully" : "failed")}!");
        }
        else if (!silent)
            Log.Info("No updates available");
    }

    private static string CheckModpackConfigUrl(string configUrl, ModpackInfo info)
    {
        if (string.IsNullOrWhiteSpace(configUrl) && !string.IsNullOrWhiteSpace(info.ConfigUrl))
            return info.ConfigUrl;
        return configUrl;
    }
}