"""Blender-authored pocket torch; local -Z exports as the grip's -Y axis."""
import bpy, math
from pathlib import Path
ROOT = Path('D:/project/sunrise')
previous = bpy.context.window.scene
scene = bpy.data.scenes.new('Sheep pocket flashlight')
bpy.context.window.scene = scene
root = bpy.data.objects.new('Flashlight', None)
scene.collection.objects.link(root)
def material(name, color, metal=0):
    m=bpy.data.materials.new(name);m.use_nodes=True
    s=next(n for n in m.node_tree.nodes if n.type=='BSDF_PRINCIPLED')
    s.inputs['Base Color'].default_value=(*color,1)
    s.inputs['Metallic'].default_value=metal;s.inputs['Roughness'].default_value=.45
    return m
body=material('Torch charcoal',(.065,.085,.10))
trim=material('Torch warm brass',(.55,.35,.12),.5)
lens=material('Torch lens',(.72,.83,.88))
def cylinder(name, radius, depth, z, mat):
    bpy.ops.mesh.primitive_cylinder_add(vertices=24,radius=radius,depth=depth,location=(0,0,z))
    o=bpy.context.object;o.name=name;o.parent=root;o.data.materials.append(mat)
    bevel=o.modifiers.new('Soft edges','BEVEL');bevel.width=.007;bevel.segments=2
    return o
cylinder('Torch grip',.065,.22,-.035,body)
for z in [-.10,-.06,-.02,.02]: cylinder('Grip ring',.068,.012,z,trim)
cylinder('Torch cap',.07,.035,.09,body)
cylinder('Torch bezel',.10,.09,-.19,body)
cylinder('Lens rim',.105,.018,-.24,trim)
cylinder('FlashlightLens',.088,.009,-.253,lens)
for o in scene.objects:o.select_set(True)
bpy.context.view_layer.objects.active=root
import io_scene_gltf2
fmt=next(i[0] for i in io_scene_gltf2.get_format_items(None,bpy.context) if i[0]=='GLB')
bpy.ops.export_scene.gltf(filepath=str(ROOT/'public/characters/flashlight.glb'),export_format=fmt,use_selection=True,use_active_scene=True,export_yup=True,export_apply=True)
(ROOT/'assets/characters').mkdir(parents=True,exist_ok=True)
bpy.data.libraries.write(str(ROOT/'assets/characters/flashlight.blend'),{scene})
bpy.context.window.scene=previous
print('Exported flashlight.glb; charcoal body, brass grip rings, inset lens')