using System.Runtime.InteropServices;

namespace Aaru6.Checksums
{
    public static class Native
    {
        static bool _checked;
        static bool _supported;

        public static bool IsSupported
        {
            get
            {
                if(_checked)
                    return _supported;

                ulong version;
                _checked = true;

                try
                {
                    version = get_acn_version();
                }
                catch
                {
                    _supported = false;

                    return false;
                }

                // TODO: Check version compatibility
                _supported = version >= 0x06000000;

                return _supported;
            }
        }

        [DllImport("libAaru.Checksums.Native", SetLastError = true)]
        static extern ulong get_acn_version();
    }
}