GSS2Rework/GSS2.UI.Core/Converters/NotEqualsConverter.cs

using System.Globalization;

using Avalonia.Data.Converters;

namespace GSS2.UI.Core.Converters;

public class NotEqualsConverter : IValueConverter
{
    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        if (value is null && parameter is null)
            return false;

        if (value is null || parameter is null)
            return true;

        var valueType = value.GetType();
        var paramType = parameter.GetType();

        if (valueType == paramType)
            return value != parameter;

        if (parameter is string ps)
            return value switch
            {
                byte v => !(byte.TryParse(ps, out var p) && v == p),
                short v => !(short.TryParse(ps, out var p) && v == p),
                ushort v => !(ushort.TryParse(ps, out var p) && v == p),
                int v => !(int.TryParse(ps, out var p) && v == p),
                uint v => !(uint.TryParse(ps, out var p) && v == p),
                long v => !(long.TryParse(ps, out var p) && v == p),
                ulong v => !(ulong.TryParse(ps, out var p) && v == p),
                float v => !(float.TryParse(ps, out var p) && v == p),
                double v => !(double.TryParse(ps, out var p) && v == p),
                decimal v => !(decimal.TryParse(ps, out var p) && v == p),
                _ => true
            };

        return true;
    }

    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}