module Eitil
  module ExtendedResources

    RESOURCEFUL_ACTIONS = %i$ index new create show edit update destroy $  

    private

    def extended_resources(controller, **kwargs)
      all_args_to_ivars binding

      resources(controller, **resource_args) do
        extended_routes&.each { |route| send(route).call controller }
        yield if block_given?
      end 
    end

    def resource_args
      duplicate = @kwargs.dup
      duplicate[:only] = resourceful_routes 
      duplicate
    end

    def resourceful_routes
      @kwargs.dig(:only) - extended_routes
    end

    def extended_routes
      @kwargs.dig(:only) - RESOURCEFUL_ACTIONS
    end

    def new_route(verb, _method, action, scope)
      self.class.send :define_method, _method do
        -> (controller) { send(verb, _method, to: "#{controller}##{action}", on: scope) }
      end
    end

  end
end

ActionDispatch::Routing::Mapper.__send__ :include, Eitil::ExtendedResources