defmodule Localiser.Localisation.Floor.Supervisor do
  use DynamicSupervisor

  alias Localiser.Domain.Floors
  alias Localiser.Localisation.Floor.Server

  def start_link(_args) do
    case DynamicSupervisor.start_link(__MODULE__, :ok, name: __MODULE__) do
      {:ok, pid} ->
        Floors.list_floors() |> Enum.each(&start_floor_server/1)
        {:ok, pid}

      error ->
        error
    end
  end

  @impl true
  def init(:ok) do
    DynamicSupervisor.init(strategy: :one_for_one)
  end

  def start_floor_server(floor) do
    child_spec = %{
      id: {Server, floor.id},
      start: {Server, :start_link, [floor]},
      restart: :transient
    }

    DynamicSupervisor.start_child(__MODULE__, child_spec)
  end
end