PdfRpt.Core.Helper.HumanReadableInteger.wordify C# (CSharp) Method

        private static string wordify(long number, Language language, string leftDigitsText, int thousands)
        {
            if (number == 0)
            {
                return leftDigitsText;
            }

            var wordValue = leftDigitsText;
            if (wordValue.Length > 0)
            {
                wordValue += _and[language];
            }

            if (number < 10)
            {
                wordValue += getName((int)number, language, DigitGroup.Ones);
            }
            else if (number < 20)
            {
                wordValue += getName((int)(number - 10), language, DigitGroup.Teens);
            }
            else if (number < 100)
            {
                wordValue += wordify(number % 10, language, getName((int)(number / 10 - 2), language, DigitGroup.Tens), 0);
            }
            else if (number < 1000)
            {
                wordValue += wordify(number % 100, language, getName((int)(number / 100), language, DigitGroup.Hundreds), 0);
            }
            else
            {
                wordValue += wordify(number % 1000, language, wordify(number / 1000, language, string.Empty, thousands + 1), 0);
            }

            if (number % 1000 == 0) return wordValue;
            return wordValue + getName(thousands, language, DigitGroup.Thousands);
        }