from apps.jobs.services.distance import CommuteEstimate, estimate_commute, haversine_km
from apps.jobs.services.features import extract_deterministic_features, term_ratio


def test_feature_extraction_and_distance_are_deterministic():
    text = (
        "Voor een gemeente zoeken we een consultant. Rijbewijs B en 5 jaar ervaring vereist. "
        "De rol bevat helpdesk en telefonische support bij klanten."
    )
    features = extract_deterministic_features("Support Engineer", text)
    assert features["support_ratio"] > 0
    assert features["consultancy_ratio"] > 0
    assert features["travel_ratio"] > 0
    assert features["public_sector_signal"] > 0
    assert features["experience_years_max"] == 5
    assert term_ratio("", ["x"]) == 0
    assert 60 < haversine_km(50.9307, 5.3325, 50.8503, 4.3517) < 80


def test_conservative_commute_estimate_is_marked_as_estimate():
    result = estimate_commute(20.0)
    assert isinstance(result, CommuteEstimate)
    assert result.is_estimate
    assert result.minutes > 0
    assert result.source == "road"


def test_custom_commute_estimator_is_accepted():
    class CustomEstimator:
        name = "custom"
        version = "test"

        def estimate(self, distance_km: float) -> CommuteEstimate:
            return CommuteEstimate(
                minutes=int(distance_km * 2),
                km=distance_km,
                source=self.name,
                source_version=self.version,
                confidence=0.7,
                is_estimate=False,
            )

    result = estimate_commute(12.0, estimator=CustomEstimator())
    assert result.minutes == 24
    assert result.source_version == "test"