using System.Threading;
using Svrnty.CQRS.Events.Abstractions.Delivery;
using Svrnty.CQRS.Events.Abstractions.EventStore;
using System.Threading.Tasks;

namespace Svrnty.CQRS.Events.Abstractions.Delivery;

/// <summary>
/// Service responsible for delivering events to subscribers.
/// Handles filtering, delivery mode logic, and terminal event detection.
/// </summary>
public interface IEventDeliveryService
{
    /// <summary>
    /// Deliver an event to all interested subscribers.
    /// </summary>
    /// <param name="event">The event to deliver.</param>
    /// <param name="sequence">The sequence number assigned to this event.</param>
    /// <param name="cancellationToken">Cancellation token.</param>
    Task DeliverEventAsync(ICorrelatedEvent @event, long sequence, CancellationToken cancellationToken = default);
}