defmodule Schema do
  @doc false
  defmacro __using__(_) do
    quote do
      import Schema, only: [settings: 1]
      Module.register_attribute(__MODULE__, :es_analyses, accumulate: false)
    end
  end

  defmacro settings([do: block]) do
    quote do
      import Schema
      unquote(block)

      def es_analyses, do: @es_analyses
    end
  end

  # For just imitational function.
  defmacro analysis([do: block]), do: block

  defmacro analyzer(name, opts) when is_list(opts) do
    quote do
      Module.put_attribute(__MODULE__, :es_analyses, {:analyzer, :"#{unquote(name)}", unquote(opts)})
    end
  end

end