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

namespace Xxx.Interview.StockPrices.Client.Views.Converters;

public sealed class SelectedStockNameToHeaderConverter : IValueConverter
{
    private static readonly object DefaultHeader = "HISTORY";

    public static IValueConverter Instance = new SelectedStockNameToHeaderConverter();

    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is string stockName) return $"HISTORY - {stockName}";

        return DefaultHeader;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>
        Binding.DoNothing;
}