scadalink-design/infra/lmxfakeproxy/TagMapper.cs

using LmxFakeProxy.Grpc;

namespace LmxFakeProxy;

public class TagMapper
{
    private readonly string _prefix;

    public TagMapper(string prefix)
    {
        _prefix = prefix;
    }

    public string ToOpcNodeId(string lmxTag) => $"{_prefix}{lmxTag}";

    public static object ParseWriteValue(string value)
    {
        if (double.TryParse(value, System.Globalization.NumberStyles.Float,
            System.Globalization.CultureInfo.InvariantCulture, out var d))
            return d;
        if (bool.TryParse(value, out var b))
            return b;
        return value;
    }

    public static string MapQuality(uint statusCode)
    {
        if (statusCode == 0) return "Good";
        if ((statusCode & 0x80000000) != 0) return "Bad";
        return "Uncertain";
    }

    public static VtqMessage ToVtqMessage(string tag, object? value, DateTime timestampUtc, uint statusCode)
    {
        return new VtqMessage
        {
            Tag = tag,
            Value = value?.ToString() ?? string.Empty,
            TimestampUtcTicks = timestampUtc.Ticks,
            Quality = MapQuality(statusCode)
        };
    }
}