require 'set'
module OpenEHR
  module RM
    module Common
      module Resource
        class Authored_Resource
          attr_reader :is_controled
          attr_reader :revision_history, :translations
          attr_accessor :description, :original_language
          def initialize(original_language, translations,
                         description, revision_history = nil)
            if original_language == nil
              raise Exception.new("original language nil")
            end
            if translations == nil
              raise Exception.new("translation empty")
            end
            if revision_history == nil
              is_controled = false
            else
              is_controled = true
            end
            @original_language = original_language
            @translations = translations
            @description = description
            @revision_history = revision_history
          end
          def current_version
            @revision_history.most_recent_revision
          end
          def language_available
            languages = Set.new
            if translations != nil
              languages << translations.keys
            end
            languages << original_language.code_string
          end
        end
        class Translation_Details
          attr_accessor :language, :author, :accreditation
          attr_accessor :other_details, :terminology_service
          def initialize(language, author, accreditation, other_details,
                         terminology_service)
            @language = language
            @author = author
            @accreditation = accreditation
            @other_details = other_details
            @terminology_service = terminology_service
          end
        end
      end
    end # end of module Common
  end # end of module RM
end # end of module OpenEHR