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

import bpy


ARMATURE_NAME = "WebGapArmatureCollectionCreateAssignArmature"
OBJECT_NAME = "WebGapArmatureCollectionCreateAssignObject"
SOURCE_COLLECTION = "WebGapArmatureCollectionCreateAssignSource"
BONE_NAME = "WebGapArmatureCollectionCreateAssignBone"


def main():
    arguments = sys.argv[sys.argv.index("--") + 1 :]
    if len(arguments) != 1:
        raise SystemExit("usage: blender -b --factory-startup --python M16-GAP-00223.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)
    source = armature.collections.new(SOURCE_COLLECTION)
    bpy.context.view_layer.objects.active = obj
    obj.select_set(True)
    bpy.ops.object.mode_set(mode="EDIT")
    bone = armature.edit_bones.new(BONE_NAME)
    bone.head = (0.0, 0.0, 0.0)
    bone.tail = (0.0, 1.0, 0.0)
    bone.select = True
    bpy.ops.object.mode_set(mode="OBJECT")
    source.assign(armature.bones[BONE_NAME])
    armature.collections.active_index = 0
    bpy.ops.wm.save_as_mainfile(
        filepath=str(pathlib.Path(arguments[0]).resolve()), check_existing=False, compress=True
    )


if __name__ == "__main__":
    main()