// Code from SnoopWpf

namespace cw2tools;
using System;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Data;

[ValueConversion(typeof(object), typeof(object))]
[ValueConversion(typeof(bool), typeof(Visibility))]
public class BoolToVisibilityConverter : IValueConverter, IMultiValueConverter
{
    public static readonly BoolToVisibilityConverter DefaultInstance = new();

    public object Convert(object value, Type? targetType, object? parameter, CultureInfo? culture)
    {
        var invert = false;

        if (parameter is bool boolParameter)
        {
            invert = boolParameter;
        }
        else if (parameter is string stringParameter)
        {
            _ = bool.TryParse(stringParameter, out invert);
        }

        if (value is bool boolValue)
        {
            return boolValue ^ invert ? Visibility.Visible : Visibility.Collapsed;
        }

        return value;
    }

    public object ConvertBack(object? value, Type? targetType, object? parameter, CultureInfo? culture)
    {
        return Binding.DoNothing;
    }

    public object Convert(object[] values, Type? targetType, object? parameter, CultureInfo? culture)
    {
        var invert = false;

        if (parameter is bool boolParameter)
        {
            invert = boolParameter;
        }
        else if (parameter is string stringParameter)
        {
            _ = bool.TryParse(stringParameter, out invert);
        }

        var boolValues = values.OfType<bool>();

        return boolValues.All(x => x) ^ invert ? Visibility.Visible : Visibility.Collapsed;
    }

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