class SimpleAuditGenerator < Rails::Generator::NamedBase
  def manifest
    record do |m|

      m.migration_template 'migration.rb', 'db/migrate', :assigns => {
        :migration_name => "CreateAudits"
      }, :migration_file_name => "create_audits"

      sentinel = 'ActionController::Routing::Routes.draw do |map|'
      logger.route "map.resources :audits"

      gsub_file 'config/routes.rb', /(#{Regexp.escape(sentinel)})/mi do |match|
        "#{match}\n  map.resources :audits\n  map.resources :users, :has_many => 'audits'\n"
      end

    end
  end

  def gsub_file(relative_destination, regexp, *args, &block)
    path = destination_path(relative_destination)
    content = File.read(path).gsub(regexp, *args, &block)
    File.open(path, 'wb') { |file| file.write(content) }
  end

end