class RuboCop::Cop::Money::ZeroMoney

def autocorrect(node)
  receiver, _ = *node
  lambda do |corrector|
    money_zero(node) do |currency_arg|
      replacement_currency = replacement_currency(currency_arg)
      corrector.replace(
        node.loc.expression,
        "#{receiver.source}.new(0, #{replacement_currency})"
      )
    end
  end
end

def on_send(node)
  money_zero(node) do |currency_arg|
    add_offense(node, message: format(MSG, currency: replacement_currency(currency_arg)))
  end
end

def replacement_currency(currency_arg)
  return currency_arg.first.source unless currency_arg.empty?
  return "'#{cop_config['ReplacementCurrency']}'" if cop_config['ReplacementCurrency']
  'Money::NULL_CURRENCY'
end