// SPDX-License-Identifier: AGPL-3.0-or-later
// © StellaOps Contributors. See LICENSE and NOTICE.md in the repository root.

using System.Threading;
using System.Threading.Tasks;
using StellaOps.Scanner.WebService.Contracts;

namespace StellaOps.Scanner.WebService.Services;

/// <summary>
/// No-op implementation of <see cref="IOciAttestationPublisher"/> for when publishing is disabled.
/// Sprint: SPRINT_20251228_002_BE_oci_attestation_attach (T5)
/// </summary>
internal sealed class NullOciAttestationPublisher : IOciAttestationPublisher
{
    /// <summary>
    /// Singleton instance.
    /// </summary>
    public static readonly NullOciAttestationPublisher Instance = new();

    private NullOciAttestationPublisher() { }

    /// <inheritdoc />
    public bool IsEnabled => false;

    /// <inheritdoc />
    public Task<OciAttestationPublishResult> PublishAsync(
        ReportDocumentDto report,
        DsseEnvelopeDto? envelope,
        string tenant,
        CancellationToken cancellationToken = default)
    {
        return Task.FromResult(OciAttestationPublishResult.Skipped());
    }
}