defmodule Rain do
  use Application
  alias Rain.{Bucket, Sink, Saucer, Renamer}

  def start(_type, _arg) do
    Bucket.start_link()
    Renamer.start_link()
  end

  def get_async(url, pid) do
    HTTPoison.get!(url, [], stream_to: pid, follow_redirect: true) |> Map.get(:id)
  end

  def download(url, name) do
    if String.starts_with?(url, "http://") || String.starts_with?(url, "https://") do
      key = UUID.uuid1()
      Saucer.start_link(key, url, name)
      key
    end
  end

  def extract() do
    Bucket.extract()
  end

  def cancel(key) do
    Bucket.cancel(key)
  end
end