import subprocess
import sys
from typing import Any

import pytest

from zbt.commands import run_refund_worker


def test_load_refund_worker_uses_dedicated_builder(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    sentinel = object()
    received_settings: list[Any] = []

    def build_worker(settings: Any) -> object:
        received_settings.append(settings)
        return sentinel

    monkeypatch.setattr(
        run_refund_worker,
        "build_refund_worker",
        build_worker,
        raising=False,
    )

    worker = run_refund_worker.load_refund_worker()

    assert worker is sentinel
    assert len(received_settings) == 1


def test_refund_worker_factory_does_not_import_ai_runtime() -> None:
    script = """
import sys
import zbt.commands.refund_worker_factory

forbidden = [
    "zbt.main",
    "langchain.agents",
    "transformers",
    "torch",
    "pymilvus",
]
loaded = [name for name in forbidden if name in sys.modules]
if loaded:
    raise SystemExit("unexpected heavy modules: " + ", ".join(loaded))
"""
    completed = subprocess.run(
        [sys.executable, "-c", script],
        check=False,
        capture_output=True,
        text=True,
        timeout=10,
    )

    assert completed.returncode == 0, completed.stderr