"""Tests for conservative Spotify candidate matching."""

from app.domain.matching import judge_candidate_match, normalize_text, title_similarity
from app.domain.models import Track, TrackCandidate


def test_normalization_removes_case_punctuation_marks_and_suffixes() -> None:
    value = "  H\u00e9llo, WORLD! (2011 Remaster) [Deluxe]  "

    assert normalize_text(value) == "hello world"


def test_title_similarity_uses_normalized_values() -> None:
    assert title_similarity("Signal Fire", "Signal Fire (Remastered)") == 1.0


def test_matching_accepts_a_similar_title_with_the_requested_artist() -> None:
    candidate = TrackCandidate(title="The Night Drive", artist="Example Artist")
    track = _track(title="The Night Drive (Radio Edit)", artist="Example Artist")

    verdict = judge_candidate_match(candidate, track, title_threshold=0.82)

    assert verdict.is_match
    assert verdict.is_artist_match


def test_matching_drops_a_title_substitution_from_another_artist() -> None:
    candidate = TrackCandidate(title="The Night Drive", artist="Requested Artist")
    substitution = _track(title="The Night Drive", artist="Different Artist")

    verdict = judge_candidate_match(candidate, substitution, title_threshold=0.82)

    assert not verdict.is_match
    assert verdict.title_similarity == 1.0
    assert not verdict.is_artist_match


def test_matching_drops_a_weak_title_even_for_the_right_artist() -> None:
    candidate = TrackCandidate(title="The Night Drive", artist="Requested Artist")
    substitution = _track(title="Morning Train", artist="Requested Artist")

    assert not judge_candidate_match(candidate, substitution, title_threshold=0.82).is_match


def _track(*, title: str, artist: str) -> Track:
    return Track(
        id="track-id",
        uri="spotify:track:track-id",
        title=title,
        artists=(artist,),
        album_name="Album",
        album_art_url=None,
        external_url=None,
    )


def test_title_similarity_tolerates_version_dash_suffix() -> None:
    assert title_similarity("Immunity", "Immunity - Remaster 2023") > 0.95
    assert title_similarity("Nightcall", "Nightcall - Breakbot Remix") > 0.95


def test_title_similarity_prefers_the_unsuffixed_release() -> None:
    plain = title_similarity("Immunity", "Immunity")
    suffixed = title_similarity("Immunity", "Immunity - Remaster 2023")
    assert plain > suffixed