module RForum
  # Navbar is the application's "main menu" displayed somewhere in the layout
  class NavigationBar
    include RForum::Localization

    Item = Struct.new(:prompt, :target, :confirmation_message)

    def initialize(forum, user)
      @forum, @user = forum, user
    end

    def forums_list
      Item.new(l(:nav_forum_list), {:controller => 'forum', :action => 'list'})
    end

    def new_topic
      if @forum and @user.can_post?
        Item.new(l(:nav_create_topic),
            {:controller => 'topic', :action => 'new', :params => {'forum_id' => @forum.id}})
      else
        nil
      end
    end

    def search
      if RForum::CONFIG[:search] != :disabled
        Item.new(l(:nav_search), {:controller => 'forum', :action => 'search'})
      end
    end

    # With Hub, we expect the templates to not offer direct links for
    # logging in and out; they don't in other applications so it would
    # look rather inconsistent. However, should someone want to use
    # these functions they should at least do something sane.

    def user_settings
      Item.new(@user.guest? ? l(:nav_register) : l(:nav_settings), '/hub/tasks')
    end

    def user_list
      if (@user.admin?)
        Item.new(l(:nav_user_list), '/hub/account/list')
      end
    end

    def login_info
      if @user.guest?
        Item.new(l(:nav_log_in), '/hub/account/login_hop')
      else
        link_text = l(:nav_log_out, @user.firstname) # Actually the Hub unique name
        link_text << " (#{@user.role})" unless @user.class == User
        Item.new(link_text, '/hub/account/logout')
      end
    end
  end # class NavBar

end