"""A chosen Finger calibration is handed to the runtime, not refused before it opens."""

from __future__ import annotations

from orisys_app_shared.analysis.service import ChainSpec, _OpenChain


class _Runtime:
    tactile = object()
    capture = None
    opened: dict = {}

    @classmethod
    def open(cls, **kwargs):
        cls.opened = dict(kwargs)
        return cls()

    def read_source(self):
        return False, None

    def process_frame(self, frame):
        return None


def test_a_finger_chain_passes_the_chosen_file_and_device(monkeypatch, tmp_path):
    import orisys.finger as finger

    monkeypatch.setattr(finger, "FingerRuntime", _Runtime)
    _Runtime.opened = {}
    calibration = tmp_path / "DD02-14.json"
    calibration.write_text("{}", encoding="utf-8")
    video = tmp_path / "clip.mp4"
    video.write_bytes(b"")
    spec = ChainSpec(
        sensor_type="finger",
        calibration=calibration,
        device_id="DD02-14",
    )
    _OpenChain(spec, video, tmp_path).open()
    assert _Runtime.opened["cal_path"] == str(calibration)
    assert _Runtime.opened["device_id"] == "DD02-14"
    assert _Runtime.opened["video"] == str(video)


def test_a_finger_chain_without_a_file_does_not_invent_one(monkeypatch, tmp_path):
    import orisys.finger as finger

    monkeypatch.setattr(finger, "FingerRuntime", _Runtime)
    _Runtime.opened = {}
    video = tmp_path / "clip.mp4"
    video.write_bytes(b"")
    spec = ChainSpec(sensor_type="finger")
    _OpenChain(spec, video, tmp_path).open()
    assert "cal_path" not in _Runtime.opened
    assert "device_id" not in _Runtime.opened