defmodule Downloader.CLI do
  alias Downloader.Parser
  alias Downloader.Getter

  def main(_args \ []) do
    Enum.map(Parser.run, fn(line) ->
       line -> handle_download(line)
    end)
  end

  defp handle_download({ :ok, %{ "image_id" => image_id } }) do
    pid = spawn(Getter, :run, [])
    send(pid, {self(), image_id})

    receive do
      :ok -> nil
      err -> IO.inspect(err)
    end
  end
end

Process.send_after(self(), "Hi Luis", 30000)
receive do
    mess -> IO.inspect mess
end

defmodule Downloader.CLI do
  alias Downloader.Parser
  alias Downloader.Getter

  def main(_args \ []) do
    Enum.map(Parser.run, fn(line) ->
       line -> handle_download(line)
    end)
  end

  defp handle_download({ :ok, %{ "image_id" => image_id } }) do
    pid = spawn(Getter, :run, [])
    Process.monitor(pid)
    send(pid, {self(), image_id})

    receive do
      :ok -> nil
      err -> IO.inspect(err)
    end
    flush   #to avoid having a Down message ending prematurely next download
  end
end