// -----------------------------------------------------------------------------
// ArtifactIndexEntry.cs
// Sprint: SPRINT_20260118_017_Evidence_artifact_store_unification
// Task: AS-003 - Create ArtifactStore PostgreSQL index
// Description: Artifact index entry model for storage and querying
// -----------------------------------------------------------------------------
using StellaOps.Artifact.Core;

namespace StellaOps.Artifact.Infrastructure;

/// <summary>
/// Artifact index entry for PostgreSQL storage.
/// </summary>
public sealed record ArtifactIndexEntry
{
    /// <summary>Primary key.</summary>
    public Guid Id { get; init; } = Guid.NewGuid();

    /// <summary>Tenant ID.</summary>
    public required Guid TenantId { get; init; }

    /// <summary>Package URL or bom-ref.</summary>
    public required string BomRef { get; init; }

    /// <summary>CycloneDX serialNumber.</summary>
    public required string SerialNumber { get; init; }

    /// <summary>Artifact ID.</summary>
    public required string ArtifactId { get; init; }

    /// <summary>Full storage key/path.</summary>
    public required string StorageKey { get; init; }

    /// <summary>Artifact type.</summary>
    public required ArtifactType Type { get; init; }

    /// <summary>Content type (MIME).</summary>
    public required string ContentType { get; init; }

    /// <summary>SHA-256 hash.</summary>
    public required string Sha256 { get; init; }

    /// <summary>Size in bytes.</summary>
    public required long SizeBytes { get; init; }

    /// <summary>When the artifact was stored.</summary>
    public required DateTimeOffset CreatedAt { get; init; }

    /// <summary>When the index entry was last updated.</summary>
    public DateTimeOffset? UpdatedAt { get; init; }

    /// <summary>Whether the artifact has been deleted.</summary>
    public bool IsDeleted { get; init; }

    /// <summary>Deletion timestamp.</summary>
    public DateTimeOffset? DeletedAt { get; init; }
}