from pathlib import Path

import pytest

from standards_service.service.matcher import StandardMatcher


REAL_CSV = Path(__file__).resolve().parents[2] / "归集617清洗.csv"


@pytest.fixture(scope="module")
def real_matcher():
    if not REAL_CSV.exists():
        pytest.skip("真实规范清单不存在")
    return StandardMatcher.from_csv(REAL_CSV)


def test_real_exact_code(real_matcher):
    candidates = real_matcher.search("GB 50330-2013 建筑边坡工程技术规范")

    assert candidates[0]["code"] == "GB 50330-2013"
    assert candidates[0]["match_score"] == 1.0


def test_real_code_without_year_returns_known_versions(real_matcher):
    codes = [item["code"] for item in real_matcher.search("GB 50330")]

    assert codes[:2] == ["GB 50330-2013", "GB 50330-2002"]


def test_real_standard_type_variant(real_matcher):
    candidates = real_matcher.search("GB/T 6441-1986")

    assert candidates[0]["code"] == "GB 6441-1986"
    assert candidates[0]["match_score"] == 0.93


def test_real_single_character_code_typo_with_title(real_matcher):
    candidates = real_matcher.search("TG/T 5440-2018 公路隧道加固技术规范")

    assert candidates[0]["code"] == "JTG/T 5440-2018"


def test_real_wrong_year_still_returns_related_title(real_matcher):
    candidates = real_matcher.search(
        "公路隧道设计规范（第二册）交通工程与附属设施（JTG D70/2-2014）"
    )

    assert candidates[0]["code"] == "JTG D70-2004"
    assert candidates[0]["match_score"] < 0.8


def test_real_year_conflict_exact_title_is_returned(real_matcher):
    candidates = real_matcher.search("钢筋焊接及验收规程JGJ 18-2022")

    assert candidates[0]["code"] == "JGJ 18-2012"
    assert candidates[0]["match_score"] == 0.91