namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common;

/// <summary>The opaque Events continuation point of the SQL historian backends (only its presence is contractual).</summary>
public static class EventContinuation
{
    /// <summary>Encodes the first not-returned event as <c>"{EventTimeUtc.Ticks}|{EventId}"</c>.</summary>
    /// <param name="eventTimeUtc">The event's time.</param>
    /// <param name="eventId">The event's id.</param>
    /// <returns>The continuation text (callers send its UTF-8 bytes).</returns>
    public static string Encode(DateTime eventTimeUtc, string eventId) => $"{eventTimeUtc.Ticks}|{eventId}";
}