class DefaultRunnable

  class <<self

    def create_default_runnable_for_user(user, name="simple default #{TOP_LEVEL_CONTAINER_NAME}", logging=false)
      unless runnable = user.send(TOP_LEVEL_CONTAINER_NAME_PLURAL).find_by_name(name)
        runnable = TOP_LEVEL_CONTAINER_NAME.camelize.constantize.create do |i|
          i.name = name
          i.user = user
          i.description = "A simple default #{TOP_LEVEL_CONTAINER_NAME} automatically created for the user '#{user.login}'"
          case TOP_LEVEL_CONTAINER_NAME
            when 'external_activity'
              i.url = "http://redcloth.org/hobix.com/textile/quick.html"
            end
        end
      end
      runnable.publish! unless runnable.publication_status == "published"
      runnable
    end

    def create_default_investigation_for_user(user, name, logging)
      puts
      unless investigation = user.investigations.find_by_name(name)
        puts "creating '#{name}' Investigation for user '#{user.login}'"
        investigation = Investigation.create do |i|
          i.name = name
          i.user = user
          i.description = "A simple default Investigation"
        end
        activity = Activity.create do |i|
          i.name = 'Activity'
          i.description = "Learn About ..."
        end
        investigation.activities << activity
        section1 = DefaultRunnable.add_section_to_activity(activity, "Collect Data ...", "Collect Data using probes.")
        page1, open_response = DefaultRunnable.add_page_to_section(section1, "Find the hottest",
          '<p>Find the hottest thing in the room with the temperature probe.</p>'.html_safe,
          "Student's explore their environment with a tempemerature probe.")
        investigation.deep_set_user(user)
      end
      investigation
    end


    def add_page_to_section(section, name, html_content='', page_description='')
      if html_content.empty?
        page = Page.create do |p|
          p.name = "#{name}"
          p.description = page_description
        end
        page_embeddable = nil
      else
        page_embeddable = Embeddable::OpenResponse.create do |x|
          x.name = name + ": Body Content (html)"
          x.description = ""
          x.content = html_content
        end
        page = Page.create do |p|
          p.name = "#{name}"
          p.description = page_description
          page_embeddable.pages << p
        end
      end
      section.pages << page
      [page, page_embeddable]
    end

    def add_model_to_page(page, model)
      puts "unsupported model type: #{model.model_type.name}"
    end

    def add_open_response_to_page(page, question_prompt)
      page_embeddable = Embeddable::OpenResponse.create do |o|
        o.name = page.name + ": Open Response Question"
        o.description = ""
        o.prompt = question_prompt
      end
      page_embeddable.pages << page
    end

    def add_section_to_activity(activity, section_name, section_desc)
      section = Section.create do |s|
        s.name = section_name
        s.description = section_desc
      end
      activity.sections << section
      section
    end
  end
end


