"""End miter / bevel angled cuts."""
import json

import pytest

from woodshop.scene import Scene


def test_add_miter_defaults_to_45_on_end():
    s = Scene()
    s.place("2x4", 24)
    f = s.add_feature("p1", "miter")               # no angle given
    assert f.kind == "miter" and f.face == "end_b" and f.miter_deg == 45.0


def test_miter_forced_to_end_face():
    s = Scene()
    s.place("2x4", 24)
    f = s.add_feature("p1", "miter", face="top", miter_deg=30)   # top is invalid for miter
    assert f.face == "end_b" and f.miter_deg == 30


def test_miter_roundtrips_through_json():
    s = Scene()
    s.place("2x4", 24)
    s.add_feature("p1", "miter", miter_deg=45, bevel_deg=15)
    s2 = Scene.from_dict(json.loads(json.dumps(s.to_dict())))
    f = s2.get_part("p1").features[0]
    assert f.kind == "miter" and f.miter_deg == 45 and f.bevel_deg == 15


def test_cutlist_notes_the_miter():
    from woodshop.cutplan import build_cut_plan
    s = Scene()
    s.place("2x4", 24)
    s.add_feature("p1", "miter", miter_deg=45)
    note = build_cut_plan(s).items[0].note
    assert "miter 45" in note


def test_instructions_describe_miter():
    from woodshop.instructions import build_steps, format_steps
    s = Scene()
    s.place("2x4", 24)
    s.add_feature("p1", "miter", miter_deg=45, bevel_deg=10)
    text = format_steps(build_steps(s))
    assert "miter 45" in text and "bevel 10" in text


def test_jigs_suggest_miter_sled_for_repeats():
    from woodshop.jigs import suggest_jigs
    s = Scene()
    for _ in range(4):
        s.place("2x4", 24)
    for pid in ("p1", "p2", "p3", "p4"):
        s.add_feature(pid, "miter", miter_deg=45)
    kinds = [j.kind for j in suggest_jigs(s)]
    assert "miter-sled" in kinds


def test_miter_geometry_removes_material():
    pytest.importorskip("build123d")
    from woodshop.geometry import part_solid
    s = Scene()
    s.place("2x4", 24)
    square_vol = part_solid(s.get_part("p1")).volume
    s.add_feature("p1", "miter", miter_deg=45)
    mitered_vol = part_solid(s.get_part("p1")).volume
    assert mitered_vol < square_vol               # a wedge was cut off



def test_miter_preview_is_a_wedge_not_a_box():
    pytest.importorskip("pyvista")
    pytest.importorskip("build123d")
    from woodshop.viewer import feature_preview_mesh
    s = Scene()
    s.place("2x4", 24)
    feat = s.add_feature("p1", "miter", miter_deg=45)
    mesh = feature_preview_mesh(s.get_part("p1"), feat)
    assert mesh is not None and mesh.n_points > 0
    # the wedge sits at the mitered end (x≈24), not a 1" box at the end centre
    xmax = mesh.bounds[1]
    assert xmax > 20            # spans out to the board end, like the real cut