#!/usr/bin/env python3
import pathlib
import sys

import bpy


def cube(name: str, location, scale=1.0):
    mesh = bpy.data.meshes.new(name + "Mesh")
    vertices = [(-1, -1, -1), (1, -1, -1), (1, 1, -1), (-1, 1, -1), (-1, -1, 1), (1, -1, 1), (1, 1, 1), (-1, 1, 1)]
    faces = [(0, 1, 2, 3), (4, 7, 6, 5), (0, 4, 5, 1), (1, 5, 6, 2), (2, 6, 7, 3), (4, 0, 3, 7)]
    mesh.from_pydata(vertices, [], faces)
    mesh.update()
    obj = bpy.data.objects.new(name, mesh)
    bpy.context.collection.objects.link(obj)
    obj.location = location
    obj.scale = (scale, scale, scale)
    return obj


def main(output: pathlib.Path) -> None:
    bpy.ops.wm.read_factory_settings(use_empty=True)
    source = cube("WebGapBooleanObject", (0.0, 0.0, 0.0), 1.0)
    cutter = cube("WebGapBooleanCutter", (0.75, 0.0, 0.0), 0.65)
    cutter.display_type = "WIRE"
    modifier = source.modifiers.new(name="WebGapBoolean", type="BOOLEAN")
    modifier.operation = "DIFFERENCE"
    modifier.solver = "EXACT"
    modifier.object = cutter
    modifier.show_viewport = True
    modifier.show_render = True
    modifier.show_in_editmode = False
    modifier.show_on_cage = False
    bpy.context.view_layer.objects.active = source
    source.select_set(True)
    bpy.ops.wm.save_as_mainfile(filepath=str(output.resolve()), check_existing=False, compress=True)


if __name__ == "__main__":
    arguments = sys.argv[sys.argv.index("--") + 1 :]
    if len(arguments) != 1:
        raise SystemExit("usage: blender -b --python M16-GAP-00033.py -- OUTPUT")
    main(pathlib.Path(arguments[0]))