"""Testy harnessu porównawczego (LOG-25) — bez efemeryd."""
from app.engine.compare import compare_positions
from app.engine.models import ObjectPosition


def test_identical_positions_have_zero_diff():
    a = [ObjectPosition("Sun", 40.0, 0.0, 0.95, False)]
    report = compare_positions(a, a, lon_tol_arcsec=1.0)
    assert report.ok
    assert report.max_arcsec == 0.0


def test_offset_beyond_tolerance_is_flagged():
    a = [ObjectPosition("Sun", 40.0, 0.0, 0.95, False)]
    b = [ObjectPosition("Sun", 40.1, 0.0, 0.95, False)]   # 0.1° = 360"
    report = compare_positions(a, b, lon_tol_arcsec=120.0)
    assert not report.ok
    assert report.diffs[0].over_tolerance
    assert abs(abs(report.diffs[0].delta_arcsec) - 360.0) < 1.0


def test_retrograde_mismatch_is_flagged():
    a = [ObjectPosition("Mars", 234.0, 0.0, -0.2, True)]
    b = [ObjectPosition("Mars", 234.0, 0.0, 0.2, False)]
    report = compare_positions(a, b, lon_tol_arcsec=120.0)
    assert not report.ok
    assert report.diffs[0].speed_sign_mismatch


def test_wraparound_delta_is_small():
    a = [ObjectPosition("Sun", 359.99, 0.0, 1.0, False)]
    b = [ObjectPosition("Sun", 0.01, 0.0, 1.0, False)]
    report = compare_positions(a, b, lon_tol_arcsec=120.0)
    assert report.ok                       # 0.02° ≈ 72" < 120"
    assert abs(report.diffs[0].delta_arcsec) < 80.0