using System;
using System.Runtime.InteropServices;

namespace Developpez.Dotnet.System.Providers.Windows
{
    /// <summary>
    /// Infrastructure (Interop)
    /// </summary>
    internal static class Win32Api
    {
        [DllImport("user32.dll")]
        public static extern bool ExitWindowsEx(ShutdownMethod uMethod, ShutdownReason dwReason);

        [DllImport("advapi32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool AdjustTokenPrivileges(IntPtr TokenHandle,
            [MarshalAs(UnmanagedType.Bool)]bool DisableAllPrivileges,
            ref TOKEN_PRIVILEGES NewState,
            UInt32 BufferLength,
            IntPtr PreviousState,
            IntPtr ReturnLength);

        [DllImport("advapi32.dll", SetLastError = true)]
        public static extern bool OpenProcessToken(IntPtr ProcessHandle,
            UInt32 DesiredAccess, out IntPtr TokenHandle);

        [DllImport("advapi32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern bool LookupPrivilegeValue(string lpSystemName, string lpName,
            out LUID lpLuid);

        /* consts */
        public const int TOKEN_QUERY = 0x08;
        public const int TOKEN_ADJUST_PRIVILEGES = 0x20;
        public const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
        public const int SE_PRIVILEGE_ENABLED = 0x02;
    }
}