defmodule Doorman.ErrorHandler do

  import Plug.Conn
  import Phoenix.Controller, only: [json: 2]
  alias Doorman.Controller

  #Guardian's ensure_authenticated sends :unauthenticated for 403, but Plug.Status
  #expects :forbidden
  def auth_error(conn, {:unauthenticated, reason}, _opts) do
    conn
    |> put_status(:forbidden)
    |> json(%{error: :forbidden, reason: Controller.translate_error(reason)})

  end

  def auth_error(conn, {:invalid_token, reason}, _opts) do
    conn
    |> put_status(:unauthorized)
    |> json(%{error: :invalid_token, reason: Controller.translate_error(reason)})

  end

  def auth_error(conn, {type, reason}, _opts) do
    conn
    |> put_status(type)
    |> json(%{error: type, reason: Controller.translate_error(reason)})

  end
end