public GenerateOtpResult GenerateOtp(GenerateOtpInput input)
{
var expireDateTime = DateTime.Now.AddSeconds(Settings.ExpirationInSeconds);
var password = RandomCodeGenerator.GenerateRandomCode(Settings.Length, Settings.PermittedLetters);
var otpJsonObj = CreateOtpJsonObject(input, password, expireDateTime);
var serializedOtpJsonObj = SerializeOtpJsonObject(otpJsonObj);
var encryptedOtpJsonObj = EncryptOtpJsonObject(serializedOtpJsonObj);
return(new GenerateOtpResult(encryptedOtpJsonObj, expireDateTime));
}
protected OtpJsonObject CreateOtpJsonObject(GenerateOtpInput input, string password, DateTime expireDateTime) => new OtpJsonObject(Settings.Issuer, input.GeneratesFor, password, expireDateTime);