"""
Общий цикл поллинга операции Nubes.

Используется:
  - _finish_op (api_test.py) — асинхронно в threading.Thread
  - run_scenario (scenario.py) — синхронно в while
"""

import time


def poll_until_done(client, op_uid, timeout=1800):
    """Поллинг операции до завершения или таймаута.

    Возвращает dict:
      {status, is_successful, error_log, stages, duration, svc}
      status ∈ {OK, FAIL, TIMEOUT}
    """
    t0 = time.time()
    deadline = t0 + timeout
    while time.time() < deadline:
        try:
            data = client.get(
                f"/instanceOperations/{op_uid}"
                "?fields=dtFinish,isSuccessful,errorLog,duration,stages,svc"
            )
        except Exception:
            time.sleep(5)
            continue
        op = data.get("instanceOperation", {})
        dt_finish = op.get("dtFinish")
        if dt_finish and str(dt_finish).strip():
            is_ok = op.get("isSuccessful")
            return {
                "status": "OK" if is_ok else "FAIL",
                "is_successful": is_ok,
                "error_log": op.get("errorLog") or "",
                "stages": op.get("stages", []),
                "duration": round(time.time() - t0, 1),
                "svc": op.get("svc", ""),
            }
        time.sleep(5)
    # Таймаут
    return {
        "status": "TIMEOUT",
        "is_successful": False,
        "error_log": f"TIMEOUT after {timeout}s",
        "stages": [],
        "duration": round(time.time() - t0, 1),
        "svc": "",
    }