using System.Threading;
using System.Threading.Tasks;
using ZB.MOM.WW.CBDDC.Core.Network;

namespace ZB.MOM.WW.CBDDC.Network;

/// <summary>
/// Calculates the effective oplog prune cutoff for maintenance.
/// </summary>
public interface IOplogPruneCutoffCalculator
{
    /// <summary>
    /// Calculates the effective prune cutoff for the provided node configuration.
    /// </summary>
    /// <param name="configuration">The local node configuration.</param>
    /// <param name="cancellationToken">The cancellation token.</param>
    /// <returns>A prune cutoff decision describing whether prune is allowed and at which cutoff.</returns>
    Task<OplogPruneCutoffDecision> CalculateEffectiveCutoffAsync(
        PeerNodeConfiguration configuration,
        CancellationToken cancellationToken = default);
}