# frozen_string_literal: true

# arpa_fact.rb

require 'facter'

Facter.add(:arpa) do
  setcode do
    arpa_info = {}
    Facter.value(:networking)['interfaces'].each do |interface_name, values|
      next unless values.key?('ip')

      ip_address = values['ip']
      reversed_ip_parts = ip_address.split('.').reverse
      addr = "#{reversed_ip_parts.join('.')}.in-addr.arpa"

      trimmed_ip_parts = reversed_ip_parts[1..]
      zone = "#{trimmed_ip_parts.join('.')}.in-addr.arpa"

      arpa_info[interface_name] = {
        'zone' => zone,
        'addr' => addr
      }
    end
    arpa_info
  end
end