from job_research.apec.dedupe import dedupe_apec_listings
from job_research.models import ApecListing


def test_dedupe_apec_listings_by_url_preserves_first_listing() -> None:
    first = ApecListing(
        source="apec",
        url="https://example.test/job/1",
        fetched_at="2026-06-01T10:00:00Z",
    )
    second = ApecListing(
        source="apec",
        url="https://example.test/job/1",
        fetched_at="2026-06-01T10:01:00Z",
    )

    deduped = dedupe_apec_listings([first, second])

    assert deduped == [first]


def test_dedupe_apec_listings_by_source_job_id_ignores_url_changes() -> None:
    first = ApecListing(
        source="apec",
        source_job_id="job-123",
        url="https://example.test/job/1",
        fetched_at="2026-06-01T10:00:00Z",
    )
    second = ApecListing(
        source="apec",
        source_job_id="job-123",
        url="https://example.test/job/2",
        fetched_at="2026-06-01T10:01:00Z",
    )

    deduped = dedupe_apec_listings([first, second])

    assert deduped == [first]


def test_dedupe_apec_listings_collapses_mixed_key_duplicates() -> None:
    first = ApecListing(
        source="apec",
        source_job_id="job-123",
        url="https://example.test/job/1",
        fetched_at="2026-06-01T10:00:00Z",
    )
    second = ApecListing(
        source="apec",
        source_job_id=None,
        url="https://example.test/job/1",
        fetched_at="2026-06-01T10:01:00Z",
    )

    deduped = dedupe_apec_listings([first, second])

    assert deduped == [first]