"""SimpleCADAPI specialist-backend smoke test for CAD Router V1."""

from pathlib import Path

import simplecadapi as scad


N_TEETH = 20
MODULE = 2.0
PRESSURE_ANGLE = 20.0
HELIX_ANGLE = 30.0
GEAR_HEIGHT = 12.0
BORE_DIAMETER = 12.0


def generate() -> None:
    output_root = Path(__file__).resolve().parent

    with scad.GraphSession() as session:
        gear = scad.std.gear.make_herringbone_gear_rsolid(
            n_teeth=N_TEETH,
            module=MODULE,
            pressure_angle=PRESSURE_ANGLE,
            helix_angle=HELIX_ANGLE,
            gear_height=GEAR_HEIGHT,
            addendum_factor=1.0,
            clearance_factor=0.25,
            backlash=0.05,
        )
        bore = scad.make_cylinder_rsolid(
            radius=BORE_DIAMETER / 2.0,
            height=GEAR_HEIGHT + 2.0,
            bottom_face_center=(0.0, 0.0, -1.0),
            axis=(0.0, 0.0, 1.0),
        )
        gear = scad.cut_rsolid(gear, bore, skip_non_intersecting=False)
        gear = scad.apply_tag(shape=gear, tag="role.power_transmission.gear")

    model_json = scad.export_model_json(session=session, indent=2)
    (output_root / "herringbone_gear_simplecad.json").write_text(model_json, encoding="utf-8")
    scad.export_step(shapes=gear, filename=str(output_root / "herringbone_gear_simplecad.step"))
    scad.export_stl(shapes=gear, filename=str(output_root / "herringbone_gear_simplecad.stl"))

    print("volume_mm3", round(gear.get_volume(), 3))
    print("tags", scad.list_tags(shape=gear))
    print("graph_nodes", session.graph.node_count)


if __name__ == "__main__":
    generate()