"""173-6 횡단 보기 반폭 [적용] — 요청값만으로 샘플 폭을 잼(교차점 맞춤 폭 안 씀).

원지반 못 만나는 측점이 있으면 누를 때마다 서버 재생성하던 옛 줄(`maxToeFitHalfWidth`)을 지움 →
보유 샘플(20 m) 넘는 값일 때만 재생성 · 나머지는 카드 다시 그리기만.
소스(`design_view_cross.ts` · `B06_Section_UI_Cross_Fit.ts`) + `createSampleWidener` 를 돌린 값
(`helper_173_6_half_width.cjs`).
"""

import json
import subprocess
from pathlib import Path

import pytest

HERE = Path(__file__).parent
ROOT = HERE.parents[1]
DVC = (ROOT / "A00_Common" / "design" / "design_view_cross.ts").read_text(encoding="utf-8")
FIT = (ROOT / "B06_Section" / "B06_Section_UI_Cross_Fit.ts").read_text(encoding="utf-8")


def _apply_body() -> str:
    at = DVC.index("async function applyCrossHalfWidth")
    return DVC[at : DVC.index("\n  }\n", at)]


def test_적용은_요청값만_넘김() -> None:
    body = _apply_body()
    assert "ensureSampledWidth(requested)" in body
    assert "maxToeFitHalfWidth" not in DVC and "Math.max" not in body


def test_교차점_맞춤_폭_함수_지움() -> None:
    assert "maxToeFitHalfWidth" not in FIT and "toeFitHalfWidth" not in FIT


@pytest.mark.skipif(not (ROOT / "config" / "node_modules").is_dir(), reason="의존성 미설치")
def test_보유_폭_안은_재생성_없음_넘을_때만_한_번() -> None:
    done = subprocess.run(  # noqa: S603 — 고정 실행 파일
        ["node", str(HERE / "helper_173_6_half_width.cjs")],
        capture_output=True,
        text=True,
        encoding="utf-8",
    )
    assert done.returncode == 0, done.stderr
    out = json.loads(done.stdout)
    assert out["within"] == [True, True, True] and out["withinCalls"] == 0
    assert out["over"] is True and out["overCalls"] == [25]
    assert out["again"] is True and out["againCalls"] == 1