defmodule PortingTools.ResourceLoc do
  use GenServer, restart: :transient
  require Logger

  def start_link(_) do
    GenServer.start_link(__MODULE__, nil, name: __MODULE__)
  end

  def init(_init_arg) do
    Logger.info("Initializing Resourceloc server @ #{__MODULE__}")
    {:ok, nil}
  end

  def resolve(str) do
    GenServer.call(__MODULE__, {:resolve, str})
  end

  def handle_call({:resolve, str}, _from, state) do
    Logger.info("Got resolve request")

    try do
      ["mods", mod | rest] =
        String.trim(str)
        |> String.trim(<<?">>)
        |> String.split("/", trim: true)

      {:reply, ~s<new ResourceLocation("#{mod}", "#{Enum.join(rest, "/")}")>, state}
    rescue
      MatchError -> {:reply, nil, state}
    end
  end
end