"""원화 꼴 한 벌 거울 시험 — `common_util_money.py`(파이썬) ↔ `common_util_money.ts`(TS · Node) 가 같은 글.

CLAUDE.md 5장 ① 짝. 값은 숫자 글(`num`) · 숫자 아닌 글(`text`) · 빈 값(None).
"""

import json
import os
import subprocess
import sys
from decimal import Decimal

HERE = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, os.path.join(HERE, "..", ".."))

from common_util import common_util_money as mf  # noqa: E402

NUMS = [
    "0", "1", "2.5", "-1234.5", "1.00005", "0.12345", "0.00167", "22.9", "1846.39",
    "124419.853", "275790", "69643.9394", "0.2525", "4", "199.99", "200", "1234567.891",
    "-0.00001", "0.05", "870.2455", "59020", "1414.9", "-22.96",
]  # fmt: skip
CASES = [{"num": n} for n in NUMS] + [{"text": "가나다"}, {"text": ""}, None]
PAIRS = {
    "formatNumber": mf.fmt,
    "formatMoney": mf.fmt_money,
    "formatLineMoney": mf.fmt_line_money,
    "formatPrice": mf.fmt_price,
}


def _ts() -> dict:
    proc = subprocess.run(
        ["node", os.path.join(HERE, "helper_588_2_money_fmt.cjs")],
        input=json.dumps(CASES, ensure_ascii=False),
        capture_output=True,
        text=True,
        encoding="utf-8",
        check=True,
    )
    return json.loads(proc.stdout)


def _py_value(case):
    if case is None:
        return None
    return Decimal(case["num"]) if "num" in case else case["text"]


def test_python_ts_same_text():
    ts_out = _ts()
    for name, py_fn in PAIRS.items():
        for case, ts_text in zip(CASES, ts_out[name]):
            assert py_fn(_py_value(case)) == ts_text, (name, case)


def test_known_shapes():
    assert mf.fmt(Decimal("1.00005")) == "1.0001"
    assert mf.fmt(Decimal("0.00167")) == "0.00167"
    assert mf.fmt(Decimal("4")) == "4"  # 율 — 「4 %」 (「4.0」 아님)
    assert mf.fmt_money(Decimal("124419.853")) == "124,420"
    assert mf.fmt_line_money(Decimal("69643.9394")) == "69,643.9"
    assert mf.fmt_line_money(Decimal("18064")) == "18,064"  # 「.0」 꼬리 없음
    assert mf.fmt_price(Decimal("1846.39")) == "1,846.39"  # 정수로 숨기지 않음
    assert mf.fmt_price(Decimal("22.9")) == "22.9"
    assert mf.fmt_money(Decimal("-0.4")) == "0"
    assert mf.fmt(None) == "" and mf.fmt("가") == "가"