using Microsoft.Win32;
using System.Reflection;

namespace Zcbot.WindowsNode;

internal static class StartupRegistration
{
    private const string RunKey = @"Software\Microsoft\Windows\CurrentVersion\Run";
    private const string ValueName = "ZcbotWindowsNode";

    internal static bool IsEnabled
    {
        get
        {
            using var key = Registry.CurrentUser.OpenSubKey(RunKey, writable: false);
            return string.Equals(key?.GetValue(ValueName) as string, Command, StringComparison.OrdinalIgnoreCase);
        }
    }

    internal static void SetEnabled(bool enabled)
    {
        using var key = Registry.CurrentUser.CreateSubKey(RunKey, writable: true);
        if (enabled)
        {
            key.SetValue(ValueName, Command, RegistryValueKind.String);
        }
        else
        {
            key.DeleteValue(ValueName, throwOnMissingValue: false);
        }
    }

    private static string Command
    {
        get
        {
            var path = Environment.ProcessPath
                ?? Assembly.GetExecutingAssembly().Location;
            return $"\"{path}\"";
        }
    }
}