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

import bpy


def main(output):
    bpy.ops.wm.read_factory_settings(use_empty=True)
    scene = bpy.context.scene
    scene.name = "WBV2P3001MaterialScene"
    bpy.ops.mesh.primitive_cube_add(size=2, location=(0, 0, 0))
    cube = bpy.context.object
    cube.name = "WBV2P3001MaterialCube"
    cube.data.name = "WBV2P3001MaterialCubeMesh"
    material = bpy.data.materials.new("WBV2P3001PrincipledMaterial")
    material.use_nodes = True
    nodes = material.node_tree.nodes
    principled = nodes.get("Principled BSDF")
    if principled is None:
        raise RuntimeError("material fixture could not create Principled BSDF")
    principled.inputs["Base Color"].default_value = (0.12, 0.34, 0.56, 1.0)
    principled.inputs["Roughness"].default_value = 0.23
    principled.inputs["Metallic"].default_value = 0.67
    principled.inputs["IOR"].default_value = 1.42
    unsupported = nodes.new("ShaderNodeTexNoise")
    unsupported.name = "WBV2P3001UnsupportedNoise"
    unsupported.label = "retained unsupported node"
    cube.data.materials.append(material)
    cube.select_set(True)
    bpy.context.view_layer.objects.active = cube
    if cube.data.uv_layers.active is None:
        cube.data.uv_layers.new(name="UVMap")
    cube.data.uv_layers.active.name = "WBV2P3001UV"
    cube.data.uv_layers.active_index = 0
    scene.world = bpy.data.worlds.new("WBV2P3001MaterialWorld")
    scene.world.color = (0.055, 0.065, 0.08)
    bpy.ops.wm.save_as_mainfile(filepath=str(pathlib.Path(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 --factory-startup --python WBV2-P3-001.py -- OUTPUT")
    main(arguments[0])