using ZB.MOM.WW.OtOpcUa.Configuration.Enums;

namespace ZB.MOM.WW.OtOpcUa.Configuration.Entities;

/// <summary>
///     Tracks which generation each node has applied. Per-node (not per-cluster) — both nodes of a
///     2-node cluster track independently per decision #84.
/// </summary>
public sealed class ClusterNodeGenerationState
{
    public required string NodeId { get; set; }

    public long? CurrentGenerationId { get; set; }

    public DateTime? LastAppliedAt { get; set; }

    public NodeApplyStatus? LastAppliedStatus { get; set; }

    public string? LastAppliedError { get; set; }

    /// <summary>Updated on every poll for liveness detection.</summary>
    public DateTime? LastSeenAt { get; set; }

    public ClusterNode? Node { get; set; }
    public ConfigGeneration? CurrentGeneration { get; set; }
}