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

namespace TeamAAS_VP.ValueConverter
{
    public class CountToColumnsConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null) return 1;
            if (!int.TryParse(value.ToString(), out int count)) return 1;
            if (count <= 1) return 1;
            if (count == 2) return 2;
            return 3; // 3 或更多时按 3 列分布（UniformGrid 会自动换行）
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
            => throw new NotSupportedException();
    }
}