using TeamsISO.Engine.Domain;

namespace TeamsISO.Engine.Pipeline;

/// <summary>
/// Per-pipeline configuration — identifies the participant, the source it captures,
/// the output it emits, and the global processing settings to apply.
/// </summary>
public sealed record IsoPipelineConfig(
    Guid ParticipantId,
    string SourceName,
    string OutputName,
    FrameProcessingSettings Settings)
{
    /// <summary>Default no-signal threshold per spec §4.</summary>
    public TimeSpan SlateThreshold { get; init; } = TimeSpan.FromSeconds(2.5);

    /// <summary>Bounded raw-frame channel capacity (drop-oldest backpressure).</summary>
    public int RawChannelCapacity { get; init; } = 4;

    /// <summary>Bounded processed-frame channel capacity.</summary>
    public int ProcessedChannelCapacity { get; init; } = 2;

    /// <summary>
    /// NDI groups (comma-separated) the output sender broadcasts on. <c>null</c> means
    /// "use the NDI default" (Public). Set per pipeline so the controller can drive it
    /// from the global NdiGroupSettings without changing this record's identity contract.
    /// </summary>
    public string? OutputGroups { get; init; }
}