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

import bpy


ARMATURE_NAME = "WebGapArmatureSeparateArmature"
OBJECT_NAME = "WebGapArmatureSeparateObject"
SELECTED_BONE = "WebGapArmatureSeparateSelected"
RETAINED_BONE = "WebGapArmatureSeparateRetained"


def main():
    arguments = sys.argv[sys.argv.index("--") + 1 :]
    if len(arguments) != 1:
        raise SystemExit("usage: blender -b --factory-startup --python M16-GAP-00258.py -- OUTPUT")
    bpy.ops.wm.read_factory_settings(use_empty=True)
    armature = bpy.data.armatures.new(ARMATURE_NAME)
    obj = bpy.data.objects.new(OBJECT_NAME, armature)
    bpy.context.scene.collection.objects.link(obj)
    bpy.context.view_layer.objects.active = obj
    obj.select_set(True)
    bpy.ops.object.mode_set(mode="EDIT")
    selected = armature.edit_bones.new(SELECTED_BONE)
    selected.head = (0.0, 0.0, 0.0)
    selected.tail = (0.0, 1.0, 0.0)
    retained = armature.edit_bones.new(RETAINED_BONE)
    retained.head = (2.0, 0.0, 0.0)
    retained.tail = (2.0, 1.0, 0.0)
    selected.select = True
    selected.select_head = True
    selected.select_tail = True
    retained.select = False
    retained.select_head = False
    retained.select_tail = False
    armature.edit_bones.active = selected
    bpy.ops.object.mode_set(mode="OBJECT")
    bpy.ops.wm.save_as_mainfile(
        filepath=str(pathlib.Path(arguments[0]).resolve()), check_existing=False, compress=True
    )


if __name__ == "__main__":
    main()