namespace MeetingAssistant.Recording;

public interface IOfflineTranscriptionBacklog
{
    Task EnqueueAsync(OfflineTranscriptionBacklogItem item, CancellationToken cancellationToken);

    Task<IReadOnlyList<OfflineTranscriptionBacklogItem>> ListAsync(CancellationToken cancellationToken);

    Task CompleteAsync(OfflineTranscriptionBacklogItem item, CancellationToken cancellationToken);
}

public sealed record OfflineTranscriptionBacklogItem(
    string Id,
    string AudioPath,
    string TranscriptPath,
    string MeetingNotePath,
    string AssistantContextPath,
    string SummaryPath,
    DateTimeOffset StartedAt,
    DateTimeOffset? InferredEndTime,
    string LaunchProfileName);

public sealed class NoopOfflineTranscriptionBacklog : IOfflineTranscriptionBacklog
{
    public static readonly NoopOfflineTranscriptionBacklog Instance = new();

    private NoopOfflineTranscriptionBacklog()
    {
    }

    public Task EnqueueAsync(OfflineTranscriptionBacklogItem item, CancellationToken cancellationToken)
    {
        return Task.CompletedTask;
    }

    public Task<IReadOnlyList<OfflineTranscriptionBacklogItem>> ListAsync(CancellationToken cancellationToken)
    {
        return Task.FromResult<IReadOnlyList<OfflineTranscriptionBacklogItem>>([]);
    }

    public Task CompleteAsync(OfflineTranscriptionBacklogItem item, CancellationToken cancellationToken)
    {
        return Task.CompletedTask;
    }
}