defmodule Mv.Accounts.User.Validations.RegistrationEnabled do
  @moduledoc """
  Validation that blocks direct registration (register_with_password) when
  registration is disabled in global settings. Used so that even direct API/form
  submissions cannot register when the setting is off.
  """
  use Ash.Resource.Validation

  alias Mv.Membership

  @impl true
  def init(opts), do: {:ok, opts}

  @impl true
  def validate(_changeset, _opts, _context) do
    case Membership.get_settings() do
      {:ok, %{registration_enabled: true}} ->
        :ok

      _ ->
        {:error,
         field: :base,
         message:
           Gettext.dgettext(
             MvWeb.Gettext,
             "default",
             "Registration is disabled. Please use the join form or contact an administrator."
           )}
    end
  end
end