public string ConvertCurrencyToWords(decimal value)
{
if (value == 0)
{
return(GetZeroDollars());
}
var words = new List <string>();
var wholeNumber = decimal.Truncate(value);
var fraction = (value - wholeNumber) * 100;
if (wholeNumber > 0)
{
var power = MaxPower;
while (power >= 0)
{
var partNumber = decimal.ToInt32(wholeNumber % (int)Math.Pow(10, power + 3) / (int)Math.Pow(10, power));
if (partNumber > 0)
{
words.Add(ConvertNumberToWords(partNumber));
words.Add(ConverterHelper.GetPowerName(power));
}
power -= 3;
}
var currency = wholeNumber == 1 ? ConverterHelper.CurrencyName : ConverterHelper.CurrencyNamePlural;
words.Add(currency);
}
if (fraction > 0)
{
if (words.Count > 0)
{
words.Add("and");
}
words.Add(ConvertNumberToWords((int)fraction));
var currencyCent = fraction == 1 ? ConverterHelper.CurrencyCentName : ConverterHelper.CurrencyCentPlural;
words.Add(currencyCent);
}
var result = string.Join(" ", words.Where(w => !string.IsNullOrEmpty(w)));
return(result);
}