defmodule Statestores.Vault do
  @moduledoc """
  This module enables encryption on the database.
  See the Cloak and Cloak Ecto libraries documentation for more information.
  https://hexdocs.pm/cloak/readme.html
  https://hexdocs.pm/cloak_ecto/readme.html
  """
  use Cloak.Vault, otp_app: :spawn_statestores

  alias Statestores.Util

  @impl GenServer
  def init(config) do
    config =
      Keyword.put(config, :ciphers,
        default: {Cloak.Ciphers.AES.GCM, tag: "AES.GCM.V1", key: Util.get_statestore_key()},
        secondary: {Cloak.Ciphers.AES.CTR, tag: "AES.CTR.V1", key: Util.get_statestore_key()}
      )

    {:ok, config}
  end
end