using System;
using System.Globalization;
using System.Windows.Data;

namespace NetDocsForLLM.Converters
{
    /// <summary>
    /// Converts between an enum value and a boolean value for binding to radio buttons or checkboxes
    /// </summary>
    public class EnumBooleanConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null || parameter == null)
                return false;

            string checkValue = parameter.ToString();
            string currentValue = value.ToString();

            return checkValue.Equals(currentValue, StringComparison.InvariantCultureIgnoreCase);
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null || parameter == null)
                return null;

            bool isChecked = (bool)value;
            if (isChecked)
            {
                if (parameter is string parameterString)
                {
                    return Enum.Parse(targetType, parameterString);
                }
                return parameter;
            }

            return Binding.DoNothing;
        }
    }
}