class MacAddressValidator < ActiveModel::EachValidator

  def validate_each(record, attribute, value)
    unless valid?(value)
      record.errors[attribute] << (options[:message] || I18n.t('yukonisuru.errors.messages.mac_address'))
    end
  end

  private

  def valid_format?(value)
    (value =~ /^([\h]{2}:){5}[\h]{2}?$/i) ||
    (value =~ /^([\h]{2}[-|\.|\s]){5}[\h]{2}?$/i) ||
    (value =~ /^([\h]{6})[-|\.][\h]{6}?$/i) ||
    (value =~ /^([\h]{6}):[\h]{6}?$/i) ||
    (value =~ /^([\h]{4}[-|\.|\s]){2}[\h]{4}?$/i) ||
    (value =~ /^[\h]{12}?$/i)
  end

  def valid?(value)
    valid_format?(value)
  end

end