from __future__ import annotations

from bot_descarga.models.resultado import RunSummary
from bot_descarga.core.download_service import DownloadService


def test_download_service_accepts_should_cancel(monkeypatch):
    """Verifica que should_cancel se honra antes de procesar radicados."""
    calls = {"cancel_checks": 0}

    def fake_read(_self, _path):
        from bot_descarga.models.radicado import RadicadoRecord
        return [
            RadicadoRecord("1", "NIT1"),
            RadicadoRecord("2", "NIT1"),
        ]

    class FakeBrowser:
        def start(self, *a, **k):
            return object(), object()

        def is_alive(self):
            return True

        def close(self):
            pass

        def reconnect(self, *a, **k):
            return object(), object()

    monkeypatch.setattr(
        "bot_descarga.core.download_service.ExcelReader.read",
        fake_read,
    )
    monkeypatch.setattr(
        "bot_descarga.core.download_service.BrowserManager",
        lambda settings=None: FakeBrowser(),
    )
    monkeypatch.setattr(
        "bot_descarga.core.download_service.ImagingClient",
        lambda *a, **k: object(),
    )
    monkeypatch.setattr(
        "bot_descarga.core.download_service.JsonlLogger",
        lambda *a, **k: type("L", (), {"path": "x", "write": lambda *x: None, "close": lambda *x: None})(),
    )

    def should_cancel():
        calls["cancel_checks"] += 1
        return True

    svc = DownloadService(
        ruta_excel="dummy.xlsx",
        carpeta_descarga=".",
        should_cancel=should_cancel,
        event_callback=lambda e: None,
    )
    # Evitar crear carpeta real problemática: FileManager.mkdirs ok
    summary = svc.run()
    assert isinstance(summary, RunSummary)
    assert summary.cancelled is True
    assert calls["cancel_checks"] >= 1