"""Math addendum must embed ledger-derived scenario and cost numbers."""

from __future__ import annotations

import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT))
sys.path.insert(0, str(ROOT / "scripts"))

from generate_math_addendum import build_tex  # noqa: E402
from system_b_ledger import build_ledger  # noqa: E402


def test_math_addendum_contains_ledger_numbers():
    ledger = build_ledger()
    tex = build_tex(ledger)
    assert "688" in tex
    assert "413" in tex
    assert "788" in tex
    assert "38" in tex
    assert "50" in tex and "95" in tex
    assert "2,834" in tex or "2834" in tex
    assert "4,000" in tex or "4000" in tex
    assert "2.7" in tex and "5.4" in tex
    assert r"P_{\mathrm{firm}} \;\neq\; P_{\mathrm{elec}} + Q_{\mathrm{th}}" in tex
    assert "895" in tex  # only as retired / forbidden
    assert "forbidden" in tex.lower() or "FORBIDDEN" in tex or "forbidden" in tex
    assert "180" in tex and "70" in tex and "120" in tex and "50" in tex
    assert r"P_{\mathrm{summer}}" in tex
    assert "NOT winter firm" in tex or "not winter firm" in tex.lower()