class ROTP::CLI

def arguments 

def arguments
  @arguments ||= ROTP::Arguments.new(filename, argv)
end

def errors 

def errors
  if %i[time hmac].include?(options.mode)
    if options.secret.to_s == ''
      red 'You must also specify a --secret. Try --help for help.'
    elsif options.secret.to_s.chars.any? { |c| ROTP::Base32::CHARS.index(c.upcase).nil? }
      red 'Secret must be in RFC4648 Base32 format - http://en.wikipedia.org/wiki/Base32#RFC_4648_Base32_alphabet'
    end
  end
end

def initialize(filename, argv) 

def initialize(filename, argv)
  @filename = filename
  @argv = argv
end

def options 

def options
  arguments.options
end

def output 

def output
  return options.warnings if options.warnings
  return errors if errors
  return arguments.to_s if options.mode == :help
  if options.mode == :time
    ROTP::TOTP.new(options.secret, options).now
  elsif options.mode == :hmac
    ROTP::HOTP.new(options.secret, options).at options.counter
  end
end

def red(string) 

def red(string)
  "\033[31m#{string}\033[0m"
end

def run

:nocov: 
def run
  puts output
end