Program.cs

namespace EasySystemCleaner;

internal static class Program
{
    [STAThread]
    static void Main(string[] args)
    {
        ApplicationConfiguration.Initialize();
        var engine = new CleanerEngine(AppContext.BaseDirectory);
        if (args.Any(a => a.Equals("/AUTO", StringComparison.OrdinalIgnoreCase)))
        {
            var result = engine.Clean(engine.LoadSelection());
            engine.AppendLog($"Automatic cleanup: {result.DeletedFiles} files, {Formatter.Bytes(result.FreedBytes)} freed.");
            if (result.Errors.Count == 0 && args.Any(a => a.Equals("/SHUTDOWN", StringComparison.OrdinalIgnoreCase))) System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo("shutdown", "/s /t 15") { UseShellExecute = false });
            return;
        }
        Application.Run(new MainForm(engine));
    }
}

internal static class Formatter
{
    public static string Bytes(long bytes) => bytes switch { < 1024 => $"{bytes} B", < 1024 * 1024 => $"{bytes / 1024d:F1} KB", < 1024L * 1024 * 1024 => $"{bytes / 1024d / 1024:F1} MB", _ => $"{bytes / 1024d / 1024 / 1024:F2} GB" };
}