using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Globalization;
using System.Windows.Media;

namespace SudokuWeek4.Models.Converters
{
    internal class Number2BrushValueConverter : IValueConverter
    {
        private static readonly Number2BrushValueConverter _instance = new Number2BrushValueConverter();

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (!(value is int) || targetType != typeof(Brush))
                throw new InvalidCastException();

            int number = (int)value;
            return NumberBrushes.GetBrush(number, (Color)parameter);
        }

        // Create a property to get the instance of the Number2BrushValue
        public static Number2BrushValueConverter Instance
        {
            get { return _instance; }
        }

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