defmodule SudregEx.Application do
  # See https://hexdocs.pm/elixir/Application.html
  # for more information on OTP Applications
  @moduledoc false

  use Application

  @impl true
  def start(_type, _args) do
    # The token cache is a tiny, credential-agnostic GenServer, so it starts by
    # default for a zero-config experience. Hosts that want no extra process set
    # `config :sudreg_ex, start_token_cache: false` and call
    # `SudregEx.Auth.fetch_token/1` directly.
    children =
      if Application.get_env(:sudreg_ex, :start_token_cache, true) do
        [SudregEx.TokenCache]
      else
        []
      end

    opts = [strategy: :one_for_one, name: SudregEx.Supervisor]
    Supervisor.start_link(children, opts)
  end
end