final result = await client.convertFile(file); // espera y hace poll automáticamente

final result = await client.convertFile(
  file,
  options: const ConvertOptions(autoPoll: false),
);

switch (result) {
  case QueuedResult(:final job):
    print('En cola: ${job.jobId}');
    final finalJob = await client.waitForJob(
      job.jobId,
      pollInterval: const Duration(seconds: 5),
    );

    if (finalJob.status == JobStatus.completed) {
      final markdown = finalJob.body as String;
    } else {
      throw Exception(finalJob.error);
    }
  case MarkdownResult(:final markdown):
    print(markdown);
  case JsonConvertResult():
    break;
}

Stream<Job> watchJob(MarkpdfClient client, String jobId) async* {
  Job job;
  do {
    job = await client.getJob(jobId);
    yield job;
    if (job.status == JobStatus.queued || job.status == JobStatus.processing) {
      await Future.delayed(const Duration(seconds: 5));
    }
  } while (job.status == JobStatus.queued || job.status == JobStatus.processing);
}

StreamBuilder<Job>(
  stream: watchJob(client, jobId),
  builder: (context, snapshot) {
    final status = snapshot.data?.status;
    return switch (status) {
      JobStatus.queued => const Text('En cola...'),
      JobStatus.processing => const Text('Procesando...'),
      JobStatus.completed => const Text('Listo'),
      JobStatus.failed => const Text('Failed'),
      _ => const CircularProgressIndicator(),
    };
  },
);