using Opc.Ua;

namespace ZB.MOM.WW.OtOpcUa.Client.Shared.Models;

/// <summary>
///     One entry of an OPC UA Part 11 modified-value history read (HistoryReadRaw with <c>IsReadModified = true</c>): the
///     value as it was BEFORE the modification plus the server's <see cref="ModificationInfo"/>.
/// </summary>
/// <param name="Value">The prior value at its source timestamp (an insert had none: null value, Bad status).</param>
/// <param name="ModificationTime">When the modification was applied.</param>
/// <param name="UpdateType">The Part 11 update type (Insert / Replace / Update / Delete).</param>
/// <param name="UserName">Who made the modification (the server's recorded principal).</param>
public sealed record HistoryModifiedEntry(
    DataValue Value,
    DateTime ModificationTime,
    HistoryUpdateType UpdateType,
    string? UserName);