defmodule Prymn.Agents.Connection do
  @moduledoc false
  use GenServer, restart: :transient

  def start_link(host_address) do
    GenServer.start_link(__MODULE__, host_address, name: via(host_address))
  end

  def get_channel(server) when is_pid(server) do
    GenServer.call(server, :get_channel)
  end

  ##
  ## Server callbacks
  ##

  @impl true
  def init(host) do
    {:ok, {host, nil}}
  end

  defp via(name) do
    {:via, Registry, {Prymn.Agents.Registry, name}}
  end
end