using System;
using System.Threading;
using System.Threading.Tasks;
using static StellaOps.Localization.T;

namespace StellaOps.Cryptography.Kms;

public sealed partial class Fido2KmsClient
{
    public async Task<KmsKeyMaterial> ExportAsync(string keyId, string? keyVersion, CancellationToken cancellationToken = default)
    {
        ThrowIfDisposed();

        var metadata = await GetMetadataAsync(keyId, cancellationToken).ConfigureAwait(false);

        return new KmsKeyMaterial(
            metadata.KeyId,
            metadata.KeyId,
            metadata.Algorithm,
            _curveName,
            Array.Empty<byte>(),
            _publicParameters.Q.X ?? throw new InvalidOperationException(_t("crypto.fido2.missing_x")),
            _publicParameters.Q.Y ?? throw new InvalidOperationException(_t("crypto.fido2.missing_y")),
            _options.CreatedAt ?? _timeProvider.GetUtcNow());
    }
}