class RevelryContent::VersionsController < ApplicationController
  respond_to :json, :html
  include RevelryContent::ControllerAuthorization

  def info_for_paper_trail
    { rollback_version_id: params[:id] }
  end

  def index
    # Versions does not include the version, so grab versions, convert the
    # currents to mock versions, then combine and sort
    @versions = RevelryContent::ContentVersion.all
    @content = RevelryContent::Content.all.map { |content| RevelryContent::PseudoContentVersion.new model: content }
    @all_versions = (@content + @versions).sort { |a, b| b.created_at - a.created_at }
    respond_with @all_versions
  end

  def revert_all_to
    newer_versions = RevelryContent::ContentVersion.where('id >= ?', params[:id]).order('id desc')
    newer_versions.each do |version|
      if ['create', 'import create'].include? version.event
        unless version.id == params[:id].to_i
          item = version.item
          item.paper_trail_event = 'rollback create'
          version.item.destroy!
        end
      else
        reify = version.reify
        reify.paper_trail_event = "rollback #{ version.event }"
        reify.save!
      end
    end

    redirect_to :back
  end
end