module Localeapp
  module Rails
    module Controller
      def self.included(base)
        if base.respond_to? :before_action
          base.before_action :handle_translation_updates
          base.after_action :send_missing_translations
        else
          base.before_filter :handle_translation_updates
          base.after_filter  :send_missing_translations
        end
      end

      def handle_translation_updates
        raise Localeapp::MissingApiKey unless ::Localeapp.configuration.has_api_key?
        unless ::Localeapp.configuration.polling_disabled?
          ::Localeapp.log_with_time 'Handling translation updates'
          if ::Localeapp.poller.needs_polling?
            ::Localeapp.log_with_time 'polling'
            ::Localeapp.poller.poll!
          end
        end

        unless ::Localeapp.configuration.reloading_disabled?
          if ::Localeapp.poller.needs_reloading?
            ::Localeapp.log_with_time 'reloading I18n'
            I18n.reload!
            ::Localeapp.poller.updated_at = ::Localeapp.poller.sync_data.updated_at
          end
        end
      end

      def send_missing_translations
        return if ::Localeapp.configuration.sending_disabled?
        ::Localeapp.missing_translations.reject_blacklisted
        ::Localeapp.sender.post_missing_translations
      end
    end
  end
end
