"""조종원 시간당 노임 — 식 좌→우 순차 + 원 미만 절사 (2026-09-13, PLAN 6장 · 명세 7장).

기준점 — STmate 분석 18번 §2.1: 6건 × 3직종 18/18 이 좌→우일 때만 일치(계수 선계산 14/18).
    건설기계운전사 267,360 → 55,700 · 화물차운전사 226,709 → 47,231 ·
    일반기계운전사 161,142 → 33,571
"""

from __future__ import annotations

from decimal import Decimal
from functools import lru_cache

import pytest

from B09_Estimation.B09_Estimation_MachineCost import (
    OPERATOR_ALLOWANCE_FACTOR,
    OPERATOR_WAGE_FORMULA,
    hourly_operator_wage,
)
from B09_Estimation.B09_Estimation_UnitPrice import HOURLY_WAGE_SUFFIX, build_unit_prices


@pytest.mark.parametrize(
    ("daily", "hourly"),
    [(267360, 55700), (226709, 47231), (161142, 33571)],
)
def test_좌에서_우로_차례로_풀고_원_미만_절사(daily: int, hourly: int) -> None:
    assert OPERATOR_WAGE_FORMULA == "1/8*16/12*25/20"
    assert hourly_operator_wage(Decimal(daily)) == Decimal(hourly)


def test_계수를_미리_접으면_1원_틀린다() -> None:
    """회귀 막이 — 접은 계수 곱은 55,699.99… 라 절사하면 55,699(STmate 55,700)."""
    folded = (Decimal(267360) / 8 * OPERATOR_ALLOWANCE_FACTOR).to_integral_value(
        rounding="ROUND_FLOOR"
    )
    assert folded == Decimal(55699)  # 종전 코드 — 계수 1.666…6 이 끝자리에서 잘려 55,699.99…
    assert hourly_operator_wage(Decimal(267360), digits=None) == Decimal(55700)


@lru_cache(maxsize=1)
def _build():
    return build_unit_prices()


def test_자르는_자리는_프로젝트_설정이고_기본은_원_미만() -> None:
    """실무마다 다름(다섯 건 0 · 2025 울진 소광 1) — 규정이 없어 설정 칸(브레인 판정)."""
    from B09_Estimation.B09_Estimation_UnitPrice import parse_operator_wage_digits

    assert [parse_operator_wage_digits(v) for v in ("", None, "0", "1", "2", "3", "x")] == [
        0, 0, 0, 1, 2, 0, 0,
    ]  # fmt: skip
    assert hourly_operator_wage(Decimal(273971), digits=1) == Decimal("57077.2")
    one = build_unit_prices(operator_wage_digits=1)
    assert one.operator_wage_digits == 1
    code = next(c for c in one.book.titles if c.endswith(HOURLY_WAGE_SUFFIX))
    daily = _build().book.titles[code].adopted_price()  # 기본 벌 — 원 미만
    assert one.book.titles[code].adopted_price() >= daily
    assert daily == daily.to_integral_value()


def test_중기_호표의_운전원은_시간당_노임_제목을_1시간분_부른다() -> None:
    book = _build().book
    hourly = [code for code in book.titles if code.endswith(HOURLY_WAGE_SUFFIX)]
    assert hourly, "조종원 시간당 제목이 한 벌도 안 섬"
    for code in hourly:
        daily = (
            book.titles[code.removesuffix(HOURLY_WAGE_SUFFIX)].adopted_price()
            if code.removesuffix(HOURLY_WAGE_SUFFIX) in book.titles
            else None
        )
        price = book.titles[code].adopted_price()
        assert price == price.to_integral_value()  # 원 미만 절사
        if daily is not None:
            assert price == hourly_operator_wage(daily)
    # X 층 운전원 줄은 계수 접은 수량이 아니라 시간당 제목 × 인수.
    operator_rows = [
        detail
        for details in book.details.values()
        for detail in details
        if detail.ref_code.endswith(HOURLY_WAGE_SUFFIX)
    ]
    assert operator_rows and all(
        d.quantity == d.quantity.to_integral_value() for d in operator_rows
    )


def test_중기_호표는_연료를_따로_세우고_잡품은_비율_가산_행이며_소계를_자른다() -> None:
    """PLAN 6장 ④ — 연료 수량에 잡품을 접지 않음 · 줄 0.1원 · 성분 소계 원 미만(명세 7장)."""
    from B09_Estimation.B09_Estimation_MachineOperating import load_operating_records

    book = _build().book
    record = next(r for r in load_operating_records().records if r.machine_code == "0201-0070")
    details = book.details["X-0201-0070"]
    fuel = next(d for d in details if d.ref_code.startswith("M-FUEL-"))
    misc = next(d for d in details if d.percent_of_material is not None)
    assert fuel.quantity == record.fuel_liters_per_hour  # 종전엔 × (1 + 잡품%)
    assert misc.percent_of_material == record.misc_material_percent and misc.note.startswith("잡품")
    money = book.resolve("X-0201-0070")
    for part in (money.material, money.labor, money.expense):
        assert part == part.to_integral_value()  # 성분 소계 원 미만 절사