public string ProcessInput(string num)
{
if (!_inputValidator.Validate(num))
{
return(num + InvalidInputError);
}
var word = new StringBuilder();
var firstNumber = 0;
var secondNumber = 0;
if (num.Contains('.'))
{
var numbers = num.Split('.');
if (numbers[1].Length > 2)
{
return(num + InvalidInputError);
}
firstNumber = Convert.ToInt32(numbers[0]);
secondNumber = Convert.ToInt32(numbers[1]);
}
else
{
firstNumber = Convert.ToInt32(num);
}
var dollarAmount = _converter.NumberToWords(firstNumber, word) + DollarText;
var centsAmount = _converter.NumberToWords(secondNumber, word.Clear()) + CentsText;
return((dollarAmount + centsAmount).Trim());
}
