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

namespace HandyControl.Tools.Converter
{
    public class Color2HexStringConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is SolidColorBrush brush)
            {
                var color = brush.Color;
                return color.A < 255 ? $"#{color.A:X2}{color.R:X2}{color.G:X2}{color.B:X2}" : $"#{color.R:X2}{color.G:X2}{color.B:X2}";
            }
            return "";
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string str)
            {
                try
                {
                    if (ColorConverter.ConvertFromString(str) is Color color)
                    {
                        return new SolidColorBrush(color);
                    }
                }
                catch
                {
                    return new SolidColorBrush(default);
                }
                return new SolidColorBrush(default);
            }
            return new SolidColorBrush(default);
        }
    }
}
