namespace ZB.MOM.WW.OtOpcUa.Host.Domain
{
    /// <summary>
    ///     Runtime state of a deployed Galaxy runtime host ($WinPlatform or $AppEngine) as
    ///     observed by the bridge via its <c>ScanState</c> probe.
    /// </summary>
    public enum GalaxyRuntimeState
    {
        /// <summary>
        ///     Probe advised but no callback received yet. Transitions to <see cref="Running"/>
        ///     on the first successful <c>ScanState = true</c> callback, or to <see cref="Stopped"/>
        ///     once the unknown-resolution timeout elapses.
        /// </summary>
        Unknown,

        /// <summary>
        ///     Last probe callback reported <c>ScanState = true</c> with a successful item status.
        ///     The host is on scan and executing.
        /// </summary>
        Running,

        /// <summary>
        ///     Last probe callback reported <c>ScanState != true</c>, or a failed item status, or
        ///     the initial probe never resolved before the unknown timeout elapsed. The host is
        ///     off scan or unreachable.
        /// </summary>
        Stopped
    }
}