Noosfero/noosfero

require "csv"

class SiteTourPluginAdminController < PluginAdminController
  no_design_blocks

  def index
    settings = params[:settings]
    settings ||= {}

    @settings = Noosfero::Plugin::Settings.new(environment, SiteTourPlugin, settings)
    @settings.actions_csv = convert_to_csv(@settings.actions)
    @settings.group_triggers_csv = convert_to_csv(@settings.group_triggers)

    if request.post?
      @settings.actions = convert_actions_from_csv(settings[:actions_csv])
      @settings.settings.delete(:actions_csv)

      @settings.group_triggers = convert_group_triggers_from_csv(settings[:group_triggers_csv])
      @settings.settings.delete(:group_triggers_csv)

      @settings.save!
      session[:notice] = "Settings succefully saved."
      redirect_to action: "index"
    end
  end

  protected

    def convert_to_csv(actions)
      CSV.generate do |csv|
        (actions || []).each { |action| csv << action.values }
      end
    end

    def convert_actions_from_csv(actions_csv)
      return [] if actions_csv.blank?

      CSV.parse(actions_csv).map do |action|
        { language: action[0], group_name: action[1], selector: action[2], description: action[3] }
      end
    end

    def convert_group_triggers_from_csv(group_triggers_csv)
      return [] if group_triggers_csv.blank?

      CSV.parse(group_triggers_csv).map do |group|
        { group_name: group[0], selector: group[1], event: group[2] }
      end
    end
end