# frozen_string_literal: true

require 'json'
require 'open3'

Facter.add(:k8s_namespaces) do
  confine do
    File.exist?('/etc/rancher/rke2/rke2.yaml') &&
      File.executable?('/usr/bin/kubectl') # Adjust this path if needed
  end

  setcode do
    env = { 'KUBECONFIG' => '/etc/rancher/rke2/rke2.yaml' }
    cmd = ['/usr/bin/kubectl', 'get', 'namespaces', '-o', 'json']

    stdout, stderr, status = Open3.capture3(env, *cmd)

    if status.success?
      json = JSON.parse(stdout)
      json['items'].map { |item| item['metadata']['name'] }
    else
      Facter.debug("kubectl error: #{stderr}")
      []
    end
  rescue StandardError => e
    Facter.debug("Exception in k8s_namespaces fact: #{e.message}")
    []
  end
end