defmodule Tempfile do
  @moduledoc """
  `Tempfile` is a server specifically for managing temporary files. New random
  file are created in a temporary location and are automatically cleaned up
  when the requesting process exits.

  Because tempfile creation is stateful, the `:tempfile` application must be
  started in order to use the `Tempfile` module.
  """

  use Application

  def start(_, _) do
    import Supervisor.Spec

    children = [
      worker(Tempfile.File, [])
    ]

    options = [strategy: :one_for_one, name: Tempfile.Supervisor]

    Supervisor.start_link(children, options)
  end

  defdelegate random(filename), to: Tempfile.File
end