private void ConvertMoney()
{
var firstWallet = ChooseFirstWallet();
var secondWallet = ChooseSecondWallet();
double currency1 = 0;
double currency2 = 0;
double convertedSum;
if (firstWallet == secondWallet)
{
throw new ArgumentException("You cannot convert the same currency.");
}
Console.WriteLine("Enter the sum: ");
var userSum = Console.ReadLine();
if (!double.TryParse(userSum, out double result))
{
Console.WriteLine("You can enter only numbers.");
}
else if (result <= 0)
{
Console.WriteLine("The sum cannot be under 0.");
}
else
{
firstWallet.ConvertFrom(ref result);
}
foreach (var x in CurrencyRate)
{
if (x.Key.Contains(firstWallet.Name()))
{
currency1 = x.Value;
}
}
foreach (var x in CurrencyRate)
{
if (x.Key.Contains(secondWallet.Name()))
{
currency2 = x.Value;
}
}
convertedSum = CurrencyRate.ElementAt(0).Value / currency1 * result * currency2;
secondWallet.ConvertTo(ref convertedSum);
}