"""Check laser-mark clearance in physical page coordinates."""

from __future__ import annotations

import sys
from pathlib import Path

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

from stroke_geometry import has_clearance  # noqa: E402


def test_crossing_capsules_are_rejected() -> None:
    existing = [((-0.2, 0), (0.2, 0), 0.1)]
    assert not has_clearance(((0, -0.2), (0, 0.2), 0.1), existing, 0.03)


def test_near_parallel_capsules_need_edge_spacing() -> None:
    existing = [((-0.2, 0), (0.2, 0), 0.1)]
    assert not has_clearance(((-0.2, 0.22), (0.2, 0.22), 0.1), existing, 0.03)
    assert has_clearance(((-0.2, 0.24), (0.2, 0.24), 0.1), existing, 0.03)


def test_disjoint_collinear_capsules_can_clear() -> None:
    existing = [((0, 0), (0.2, 0), 0.1)]
    assert has_clearance(((0.45, 0), (0.65, 0), 0.1), existing, 0.03)


def test_extension_ignores_only_its_original_capsule() -> None:
    original = ((0, 0), (0.2, 0), 0.1)
    neighbour = ((0.6, 0), (0.8, 0), 0.1)
    assert has_clearance(((-0.1, 0), (0.3, 0), 0.1), [original, neighbour], 0.03,
                         skip_index=0)
    assert not has_clearance(((-0.1, 0), (0.4, 0), 0.1), [original, neighbour], 0.03,
                             skip_index=0)