namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware.Client.Internal;

/// <summary>
///     Maps a raw OPC DA quality byte (as returned by Wonderware Historian's <c>OpcQuality</c>)
///     to an OPC UA <c>StatusCode</c> uint. Byte-identical port of the sidecar's
///     <c>HistorianQualityMapper.Map</c> — kept in sync via parity tests rather than a
///     shared assembly because the sidecar is .NET 4.8 x86 and the client is .NET 10 x64.
/// </summary>
internal static class QualityMapper
{
    public static uint Map(byte q) => q switch
    {
        // Good family (192+)
        192 => 0x00000000u,             // Good
        216 => 0x00D80000u,             // Good_LocalOverride

        // Uncertain family (64-191)
        64  => 0x40000000u,             // Uncertain
        68  => 0x40900000u,             // Uncertain_LastUsableValue
        80  => 0x40930000u,             // Uncertain_SensorNotAccurate
        84  => 0x40940000u,             // Uncertain_EngineeringUnitsExceeded
        88  => 0x40950000u,             // Uncertain_SubNormal

        // Bad family (0-63)
        0   => 0x80000000u,             // Bad
        4   => 0x80890000u,             // Bad_ConfigurationError
        8   => 0x808A0000u,             // Bad_NotConnected
        12  => 0x808B0000u,             // Bad_DeviceFailure
        16  => 0x808C0000u,             // Bad_SensorFailure
        20  => 0x80050000u,             // Bad_CommunicationError
        24  => 0x808D0000u,             // Bad_OutOfService
        32  => 0x80320000u,             // Bad_WaitingForInitialData

        // Unknown — fall back to category bucket so callers still get something usable.
        _ when q >= 192 => 0x00000000u,
        _ when q >= 64  => 0x40000000u,
        _               => 0x80000000u,
    };
}