defmodule LineMessage.Push do  

  def to(messages, user_id) when messages != [] do
    {:ok, body} = %{
      to: user_id,
      messages: messages
    } |> Poison.encode

    HTTPotion.post Application.get_env(:line_message, :url), [
      body: body, 
      headers: [
	      "Content-Type": "application/json",
	      "Authorization": "Bearer " <>
          Application.get_env(:line_message, :access_token)
      ]]
  end
end