"""Tests for deduplication logic."""
from gimme_job.models.dto import JobPostingCandidate
from gimme_job.runtime.dedupe import deduplicate_in_batch, ensure_fingerprints
from gimme_job.utils.hashing import compute_fingerprint


def _make_candidate(title: str, company: str = "ABC", url: str = None) -> JobPostingCandidate:
    fp = compute_fingerprint("indeed", title, company, "AZ", url)
    return JobPostingCandidate(
        site_id="indeed",
        title=title,
        company=company,
        location="AZ",
        job_url=url,
        fingerprint=fp,
    )


def test_deduplicate_removes_duplicates():
    c1 = _make_candidate("Orthodontist", url="https://example.com/1")
    c2 = _make_candidate("Orthodontist", url="https://example.com/1")  # same fingerprint
    c3 = _make_candidate("Dentist", url="https://example.com/2")

    result = deduplicate_in_batch([c1, c2, c3])
    assert len(result) == 2
    titles = {r.title for r in result}
    assert "Orthodontist" in titles
    assert "Dentist" in titles


def test_deduplicate_empty_list():
    assert deduplicate_in_batch([]) == []


def test_ensure_fingerprints():
    c = JobPostingCandidate(
        site_id="indeed",
        title="Orthodontist",
        company="ABC",
        location="AZ",
        job_url="https://example.com/1",
        fingerprint="",  # empty
    )
    result = ensure_fingerprints([c])
    assert result[0].fingerprint != ""
    assert len(result[0].fingerprint) == 64


def test_fingerprint_not_overwritten():
    fp = compute_fingerprint("indeed", "Orthodontist", "ABC", "AZ", "https://example.com/1")
    c = JobPostingCandidate(
        site_id="indeed",
        title="Orthodontist",
        company="ABC",
        location="AZ",
        job_url="https://example.com/1",
        fingerprint=fp,
    )
    result = ensure_fingerprints([c])
    assert result[0].fingerprint == fp