defmodule LineMessage.Reply do  

  @api_url "https://api.line.me/v2/bot/message/reply"

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

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