using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums;

namespace ZB.MOM.WW.ScadaBridge.CentralUI.Services;

/// <summary>
/// Exposes the set of notification delivery channels that actually have a registered
/// delivery adapter, so the Central UI never offers a notification-list Type that the
/// central node cannot deliver. The list is derived from the registered
/// <see cref="ZB.MOM.WW.ScadaBridge.NotificationOutbox.Delivery.INotificationDeliveryAdapter"/>
/// set (each adapter handles a single <see cref="NotificationType"/>) rather than from
/// the <see cref="NotificationType"/> enum, so adding/removing an adapter changes the UI
/// options automatically.
/// </summary>
public interface INotificationChannelCatalog
{
    /// <summary>
    /// The distinct notification channels that have a registered delivery adapter,
    /// in a stable order. Never empty in a correctly configured central node.
    /// </summary>
    IReadOnlyList<NotificationType> SupportedChannels { get; }
}