require_relative 'rcm_file'
require_relative 'rcm_package'
require_relative 'rcm_service'
require 'yaml'

module RCM
  PACKAGES = 'packages'
  FILES = 'files'
  SERVICES = 'services'

  @@wanted = {
    PACKAGES => [],
    FILES => [],
    SERVICES => []
  }

  @@got = {
    PACKAGES => [],
    FILES => [],
    SERVICES => []
  }

  def converge(old_state, new_state)
    if old_state.is_a?(RCM::File)
    end

  end

  def whachuwant()
    # Consume config from YAML, and convert it to usable objects in @@wanted.
    raise 'config.yaml not found.' unless ::File.file?('config.yaml')

    config = YAML.load_file('config.yaml')
    config.each do |yaml_objects|
      yaml_objects.each do |coll, defs|
        case coll
        when PACKAGES
          defs.each do |d|
            p = RCM::Package.new(d['name'], d['version'], 'idk', d['desired_state'])
            @@wanted[PACKAGES].push(p)
          end

        when FILES
          defs.each do |d|
            f = RCM::File.new(d['path'], d['owner'], d['group'], d['mode'], 'idk',
                              'idk', 'idk', d[''])
            @@wanted[FILES].push(f)
          end
        end
      end
    end

  end

  def whachugot()

  end

  module_function :whachuwant, :whachugot

end

RCM.whachuwant