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

import bpy


ARMATURE_NAME = "WebGapVersionBoneHideArmature"
OBJECT_NAME = "WebGapVersionBoneHideObject"
BONE_NAME = "WebGapVersionBoneHideBone"
ARMATURE_ACTION_NAME = "WebGapVersionBoneHideArmatureAction"
OBJECT_ACTION_NAME = "WebGapVersionBoneHideObjectAction"


def main():
    arguments = sys.argv[sys.argv.index("--") + 1 :]
    if len(arguments) != 1:
        raise SystemExit("usage: blender -b --factory-startup --python M16-GAP-00213.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")
    bone = armature.edit_bones.new(BONE_NAME)
    bone.head = (0.0, 0.0, 0.0)
    bone.tail = (0.0, 1.0, 0.0)
    bpy.ops.object.mode_set(mode="OBJECT")

    armature.animation_data_create()
    armature_action = bpy.data.actions.new(ARMATURE_ACTION_NAME)
    armature_slot = armature_action.slots.new("ARMATURE", ARMATURE_NAME)
    armature.animation_data.action = armature_action
    armature.animation_data.action_slot = armature_slot
    armature.bones[BONE_NAME].hide = False
    armature.bones[BONE_NAME].keyframe_insert(data_path="hide", frame=1)
    armature.bones[BONE_NAME].hide = True
    armature.bones[BONE_NAME].keyframe_insert(data_path="hide", frame=10)
    armature_action.use_fake_user = True

    obj.animation_data_create()
    object_action = bpy.data.actions.new(OBJECT_ACTION_NAME)
    object_slot = object_action.slots.new("OBJECT", OBJECT_NAME)
    obj.animation_data.action = object_action
    obj.animation_data.action_slot = object_slot
    obj["version_anchor"] = 0.0
    obj.keyframe_insert(data_path='["version_anchor"]', frame=1)
    obj["version_anchor"] = 1.0
    obj.keyframe_insert(data_path='["version_anchor"]', frame=10)
    object_action.use_fake_user = True

    scene = bpy.context.scene
    scene.frame_start = 1
    scene.frame_end = 10
    scene.frame_set(5)
    bpy.ops.wm.save_as_mainfile(
        filepath=str(pathlib.Path(arguments[0]).resolve()), check_existing=False, compress=True
    )


if __name__ == "__main__":
    main()