import type { RailDeckDirectIntegrationClient as Client } from '@raildeck/frontend-sdk/direct-integration';

/**
 * Load a station and review the consequences before a separate confirmation.
 * @param client - Configured client; the caller owns current authority.
 * @param accountId - Authorised account for this workflow.
 * @param controllerId - Explicitly selected command station.
 * @param signal - Caller-owned cancellation signal.
 * @returns The record and deletion preview, without removing or operating the station.
 */
export async function prepareControllerRemoval(
  client: Client,
  accountId: string,
  controllerId: string,
  signal: AbortSignal,
) {
  const options = { signal, timeoutMs: 15_000 };
  const controller = await client.controllers.get(accountId, controllerId, options);
  const consequences = await client.controllers.getDeletionPreview(accountId, controllerId, options);
  return { controller, consequences };
}