"""476-2 추천 모달 — 「적용될 초기 종단」 선 · 한 줄 · [적용] 확인 글(요구 276).

./venv/Scripts/python.exe -m pytest resources/tester/test_476_2_recommend_initial_line.py -q
"""

import json
import subprocess
from pathlib import Path

ROOT = Path(__file__).resolve().parents[2]
B05 = ROOT / "B05_Profile"
HELPER = Path(__file__).with_name("helper_476_2_initial_profile.cjs")


def _out() -> dict:
    return json.loads(
        subprocess.run(
            ["node", str(HELPER)], capture_output=True, text=True, encoding="utf-8", check=True
        ).stdout
    )


def test_펴기와_캐시_빼기() -> None:
    out = _out()
    p = out["parsed"]
    assert p["withProfile"] is False and p["curveLengthM"] == 20
    assert p["pviCount"] == 3 and p["curveCount"] == 1 and p["straightened"] == 2
    assert p["line"][3] == [30, 101.5] and p["planM"] == [100, 102, 101]
    assert "initialProfile" not in out["cached"]  # 세션에 안 적음
    assert out["missing"] is None  # 옛 서버 답
    assert out["shortLine"] is None  # 선 점 하나 = 꼴 틀림


def test_한_줄과_실패_글() -> None:
    out = _out()
    assert out["line"] == "초기 종단: 꼭짓점 3 · 종단곡선 1 · 직선화 2 · 최대 종단경사 10.0%(L 20)"
    assert out["warnLine"].endswith("(L 20) · 알림 2건")  # 알림 글은 title
    assert out["failed"] == {"error": "지반고 종단 — 측점이 모자랍니다"}
    assert out["failedLine"].startswith("초기 종단을 셈하지 못했습니다 — 지반고 종단")


def test_그림_선() -> None:
    out = _out()
    # 끔 = 지반선 + 초기 종단(계획선 빔)
    assert 'class="is-ground" d="M6.0 90.0L300.0 6.0L594.0 62.0"' in out["svgOff"]
    assert 'class="is-plan" d=""' in out["svgOff"]
    initial = 'class="is-initial" d="M6.0 90.0L153.0 62.0L300.0 34.0L447.0 48.0L594.0 62.0"'
    assert initial in out["svgOff"] and initial in out["svgOn"]
    assert 'class="is-plan" d="M6.0 90.0L300.0 62.0L594.0 62.0"' in out["svgOn"]
    assert "is-initial" not in out["svgOld"]  # 옛 답 = 지반 · 균형만
    assert "is-plan" not in out["legendOff"] and "적용될 초기 종단" in out["legendOff"]