COFTester/COFTester/Models/ReciprocatingFrictionRecord.cs

using System.Globalization;

namespace COFTester.Models;

public sealed class ReciprocatingFrictionRecord
{
    public int Index { get; init; }

    public double? StaticCoefficient { get; init; }

    public double? KineticCoefficient { get; init; }

    public double? StaticForceN { get; init; }

    public double? KineticForceN { get; init; }

    public bool HasData => StaticCoefficient.HasValue ||
                           KineticCoefficient.HasValue ||
                           StaticForceN.HasValue ||
                           KineticForceN.HasValue;

    public string StaticCoefficientLabel => FormatValue(StaticCoefficient, "F3");

    public string KineticCoefficientLabel => FormatValue(KineticCoefficient, "F3");

    public string StaticForceLabel => FormatValue(StaticForceN, "F3");

    public string KineticForceLabel => FormatValue(KineticForceN, "F3");

    public static ReciprocatingFrictionRecord Empty(int index)
    {
        return new ReciprocatingFrictionRecord
        {
            Index = index
        };
    }

    private static string FormatValue(double? value, string format)
    {
        return value is { } number && double.IsFinite(number)
            ? number.ToString(format, CultureInfo.InvariantCulture)
            : "--";
    }
}