defmodule GenServer.Proxy.Caster do
  use PersistConfig

  alias GenServer.Proxy
  alias GenServer.Proxy.{Log, Timer}

  @timeout get_env(:timeout)
  @times get_env(:times)

  @doc """
  Sends an async request to the GenServer registered via `server_id`.
  Will wait a bit if the GenServer is not yet registered on restarts.
  """
  @spec cast(Proxy.server_id(), term, module) :: :ok
  def cast(server_id, request, module) do
    server = module.server_name(server_id)

    try do
      GenServer.cast(server, request)
    catch
      :exit, reason ->
        failed = {:cast, 2, server, @timeout, @times, reason, __ENV__}
        :ok = Log.warning(:failed, failed)
        :ok = Timer.wait(server, server_id, module, @times)
        GenServer.cast(server, request)
    end
  end
end