defmodule X3m.System.AggregateGroup do
  @moduledoc !"""
             Internal. Per-aggregate-type supervisor that groups one aggregate module's
             pid manager and pid facade under a single supervision subtree.
             """
  use Supervisor
  alias X3m.System.{AggregatePidFacade, AggregatePidManager}

  def start_link(prefix, aggregate_mod),
    do: Supervisor.start_link(__MODULE__, {prefix, aggregate_mod}, name: name(aggregate_mod))

  @impl Supervisor
  def init({prefix, aggregate_mod}) do
    children = [
      {AggregatePidManager, [prefix, aggregate_mod]},
      {AggregatePidFacade, aggregate_mod}
    ]

    Supervisor.init(children, strategy: :one_for_one)
  end

  def name(aggregate_mod),
    do: Module.concat(aggregate_mod, Group)
end