module CanTango
  module Permits
    class UserPermit < CanTango::Permit
      class Builder < CanTango::PermitEngine::Builder::Base
        # class NoAvailableRoles < StandardError; end

        # builds a list of Permits for each role of the current ability user (or account)
        # @return [Array<Permit::Base>] the role permits built for this ability
        def build
          puts debug_msg if CanTango.debug?
          [permit].compact
        end

        protected

        def debug_msg
          permit ? "Building UserPermit for #{user}, permit: #{permit}" : "Not building any UserPermit"
        end 

        def permit
          @permit ||= create_permit(user.class.to_s)
        end
      end
    end
  end
end