"""B08 3탭 토적표 — 옛 엔진 복사본의 고친 곳만 (PLAN 61-3).

계산식은 옛 시험(test_b08_earthwork_table.py · 경로만 새 엔진으로)이 잼. 여기서는
① 암 종류가 없으면 암 지반 유형 · ② 줄의 `cut_rock_kind` · ③ 합계의 리핑암 · 발파암 칸.
"""

from __future__ import annotations

import sys
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parents[2]
sys.path.insert(0, str(ROOT))

from B08_Quantity.B08_Quantity_Engine_Earthwork import (  # noqa: E402
    StationArea,
    build_table,
)

FACTORS = {
    "soil": {"compacted": 0.9},
    "ripping_rock": {"compacted": 1.15},
    "blasting_rock": {"compacted": 1.3},
}


def test_암_종류는_설계값_없으면_지반유형() -> None:
    old = StationArea.from_design(0, {"cut_rock_area_m2": 2.0, "ground_type": "blasting_rock"})
    assert old.cut_rock_kind == "blasting_rock"
    soil = StationArea.from_design(0, {"ground_type": "soil"})
    assert soil.cut_rock_kind is None
    now = StationArea.from_design(
        0, {"ground_type": "blasting_rock", "cut_rock_kind": "ripping_rock"}
    )
    assert now.cut_rock_kind == "ripping_rock"


def test_암_칸은_갈래별_합계() -> None:
    stations = [
        StationArea(chainage_m=0, cut_rock_area_m2=2.0, cut_rock_kind="ripping_rock"),
        StationArea(chainage_m=20, cut_rock_area_m2=4.0, cut_rock_kind="ripping_rock"),
        StationArea(chainage_m=40, cut_rock_area_m2=6.0, cut_rock_kind="blasting_rock"),
    ]
    table = build_table(stations, FACTORS)
    kinds = [row["cut_rock_kind"] for row in table["rows"]]
    assert kinds == ["ripping_rock", "ripping_rock", "blasting_rock"]
    t = table["totals"]
    # 0~20: (2+4)/2×20 = 60 리핑 · 20~40: (4+6)/2×20 = 100 발파(현 측점 갈래 — 옛 엔진 규칙)
    assert t["cut_ripping_rock_volume_m3"] == pytest.approx(60)
    assert t["cut_blasting_rock_volume_m3"] == pytest.approx(100)
    assert t["cut_ripping_rock_adjusted_m3"] == pytest.approx(60 * 1.15)
    assert t["cut_blasting_rock_adjusted_m3"] == pytest.approx(100 * 1.3)
    assert t["cut_rock_volume_m3"] == pytest.approx(160)