defmodule Oban.Console.Config do
  @spec oban_configured?() :: :ok | {:error, String.t()}
  def oban_configured? do
    with {_, true} <- {:installed, Code.ensure_loaded?(Oban)},
         {_, %Oban.Config{queues: [_ | _]}} <- {:configured, Oban.config()} do
      :ok
    else
      {:installed, false} ->
        {:error, "Oban is not installed"}

      {:configured, %Oban.Config{queues: []}} ->
        {:error, "Oban is installed but no queues are configured"}

      {:configured, _} ->
        {:error, "Oban isn't configured"}
    end
  end
end