class ChefNodeNameBuilder
  def initialize(server_info, project, env)
    @server_info, @project, @env = server_info, project, env
    @mask = server_info['tags']['cid:node-name-mask'] || '$project-$nodename-$env'
  end

  def build_node_name
    @mask.gsub!('$project', @project.id)
    @mask.gsub!('$env', @env.identifier)
    @mask.gsub!('$nodename', @server_info['id'])
    @mask.gsub!('$time', Time.now.to_i.to_s)
    @mask.gsub!('_', '-')
    @mask
  end
end