using System;
using System.Collections.Immutable;
using System.Linq;

namespace StellaOps.Cryptography.Kms;

public sealed partial class FileKmsClient
{
    private static KmsKeyMetadata ToMetadata(KeyMetadataRecord record)
    {
        var versions = record.Versions
            .Select(v => new KmsKeyVersionMetadata(
                v.VersionId,
                v.State,
                v.CreatedAt,
                v.DeactivatedAt,
                v.PublicKey,
                v.CurveName))
            .ToImmutableArray();

        var createdAt = record.CreatedAt
            ?? (versions.Length > 0 ? versions.Min(v => v.CreatedAt) : TimeProvider.System.GetUtcNow());
        return new KmsKeyMetadata(record.KeyId, record.Algorithm, record.State, createdAt, versions);
    }
}