require 'rails'
require 'fb-localizer'
require 'xml'
require "open-uri"
require "timeout"

module FbLocalizer
  class Railtie < Rails::Railtie
    initializer "fb-localizer.configure_rails_initialization" do |app|
      app.config.after_initialize do
        def load_defaults
          FbLocalizer::FbLocalizerHelpers.const_set(:FB_LOCALES, ["en_US","es_ES","ca_ES"])
        end

        if FbLocalizer.skip_loading
          puts "FB-Localizer => Skipped, using defaults instead"
          load_defaults
        else
          begin
            Timeout::timeout(15) do
              url = "http://www.facebook.com/translations/FacebookLocales.xml"
              open(url){ |f|
                xml = f.readlines.join("\n")
                fb_locales = XML::Parser.string(xml).parse
                FbLocalizer::FbLocalizerHelpers::FB_LOCALES = []
                fb_locales.find('//locales/locale/codes/code/standard/representation').each do |node|
                  FbLocalizer::FbLocalizerHelpers::FB_LOCALES << node.content
                end
                puts "FB-Localizer => Locales read successfully from <http://www.facebook.com/translations/FacebookLocales.xml>"
              }
            end
          rescue Exception => e
            puts "FB-Localizer => Exception '#{e}', using defaults instead"
            load_defaults
          end
        end
      end
    end
  end
end