// -----------------------------------------------------------------------------
// S3UnifiedArtifactStore.Metadata.cs
// Sprint: SPRINT_20260118_017_Evidence_artifact_store_unification
// Task: AS-002 - Implement S3-backed ArtifactStore
// Description: Metadata projection helpers for artifact store
// -----------------------------------------------------------------------------
using StellaOps.Artifact.Core;

namespace StellaOps.Artifact.Infrastructure;

public sealed partial class S3UnifiedArtifactStore
{
    /// <inheritdoc />
    public async Task<ArtifactMetadata?> GetMetadataAsync(
        string bomRef,
        string serialNumber,
        string artifactId,
        CancellationToken ct = default)
    {
        var entry = await _indexRepository.GetAsync(bomRef, serialNumber, artifactId, ct)
            .ConfigureAwait(false);
        return entry == null ? null : CreateMetadata(entry);
    }

    private static ArtifactMetadata CreateMetadata(ArtifactIndexEntry entry)
    {
        return new ArtifactMetadata
        {
            StorageKey = entry.StorageKey,
            BomRef = entry.BomRef,
            SerialNumber = entry.SerialNumber,
            ArtifactId = entry.ArtifactId,
            ContentType = entry.ContentType,
            SizeBytes = entry.SizeBytes,
            Sha256 = entry.Sha256,
            CreatedAt = entry.CreatedAt,
            Type = entry.Type,
            TenantId = entry.TenantId
        };
    }
}