"""Testy punktów wirtualnych (LOG-02): mean Node, mean Lilith.

Referencje dla 30.04.1984 07:35 UT:
- astro-seek (notes3): North Node (M) = Gem 8°09'24" = 68.1567°
- wyrocznia swisseph (MEAN_NODE / MEAN_APOG, tryb Moshiera):
  NN = 68.1569°, Lilith = 345.6840°
"""
import pytest

from app.engine.formats import norm360


def _delta_arcmin(a: float, b: float) -> float:
    return abs(((a - b + 180.0) % 360.0) - 180.0) * 60.0


@pytest.fixture(scope="module")
def by_name(own_engine, reference_moment):
    return {p.name: p for p in own_engine.positions(reference_moment)}


def test_mean_node_matches_references(by_name):
    nn = by_name["North Node"]
    assert _delta_arcmin(nn.longitude, 68.1567) < 2.0   # astro-seek
    assert _delta_arcmin(nn.longitude, 68.1569) < 2.0   # swisseph
    assert nn.sign == "Gemini"


def test_nodes_always_retrograde_and_opposed(by_name):
    nn, sn = by_name["North Node"], by_name["South Node"]
    assert nn.retrograde and sn.retrograde            # mean node zawsze Rx
    assert _delta_arcmin(sn.longitude, norm360(nn.longitude + 180.0)) < 0.01
    assert abs(nn.speed - sn.speed) < 1e-9            # ta sama prędkość


def test_mean_lilith_matches_swisseph(by_name):
    li = by_name["Lilith"]
    assert _delta_arcmin(li.longitude, 345.6840) < 3.0  # wyrocznia swisseph
    assert li.sign == "Pisces"
    assert li.speed > 0 and not li.retrograde           # mean Lilith zawsze direct


def test_points_join_houses_and_chart(own_engine, reference_moment):
    from app.engine.chart import build_chart

    chart = build_chart(own_engine, reference_moment)
    by = {p["name"]: p for p in chart["positions"]}
    # NN w Gem -> 12. dom Whole Sign (Asc w Raku); zgodnie z tabelą astro-seek w notes3
    assert by["North Node"]["house"] == 12
    assert by["Lilith"]["house"] == 9                 # Pis -> 9. dom