mandarin

defmodule Mandarin.Router do
  @moduledoc """
  Macros to simplify the definition of routes.

  """
  # require Phoenix.Router

  # @doc """
  # Add routes for a full-fledged Mandarin controller.

  # The same as `Phoenix.Router.resources/3`, but with an extra `<resource>/select` route,
  # for use with `Forage`'s select widget.
  # """
  # defmacro resources(prefix, module, opts \\ []) do
  #   select_path = "#{prefix}/select"
  #   except = opts |> Keyword.get(:except) |> wrap_if_not_nil()
  #   only = opts |> Keyword.get(:only) |> wrap_if_not_nil()

  #   select? =
  #     case {is_list(except), is_list(only)} do
  #       {true, true} ->
  #         raise "Can't have both :except and :only options..."

  #       {true, false} ->
  #         not (:select in except)

  #       {false, true} ->
  #         :select in only

  #       {false, false} ->
  #         true
  #     end

  #   only = remove_select(only)
  #   except = remove_select(except)

  #   opts_without_select =
  #     opts
  #     |> Keyword.put(:only, only)
  #     |> Keyword.put(:except, except)

  #   select_route =
  #     if select? do
  #       quote do
  #         Phoenix.Router.get(unquote(select_path), unquote(module), :select)
  #       end
  #     else
  #       nil
  #     end

  #   quote do
  #     unquote(select_route)
  #     Phoenix.Router.resources(unquote(prefix), unquote(module), unquote(opts_without_select))
  #   end
  # end

  # defp wrap_if_not_nil(nil), do: nil
  # defp wrap_if_not_nil(other), do: List.wrap(other)

  # defp remove_select(nil), do: nil
  # defp remove_select(opts) when is_list(opts), do: List.delete(opts, :select)
end