"""Grouper: a summary of the built file (read-only): objects, pivots, drivers (simple expressions?), sockets, collections.
    blender.exe -b Tender_Grouper.blend --python build/gr_dump.py   -> build/checks/dump.json"""
import bpy, os, json
HERE = os.path.dirname(os.path.abspath(__file__))
os.makedirs(os.path.join(HERE, "checks"), exist_ok=True)
out = {"objects": {}, "drivers": [], "root_props": {}, "collections": {}}
root = bpy.data.objects["Grouper_Root"]
for k in root.keys():
    if not k.startswith("_"):
        out["root_props"][k] = root[k]
for o in bpy.data.objects:
    if o.name.startswith(("SM_Grouper", "SOCKET_", "Grouper_Root")):
        out["objects"][o.name] = {"type": o.type, "location": [round(c, 4) for c in o.location],
                                  "rotation": [round(c, 4) for c in o.rotation_euler], "scale": [round(c, 4) for c in o.scale],
                                  "parent": o.parent.name if o.parent else None,
                                  "materials": [m.name for m in o.data.materials] if o.type == 'MESH' else None}
    if o.animation_data:
        for fc in o.animation_data.drivers:
            d = fc.driver
            out["drivers"].append({"object": o.name, "path": fc.data_path, "index": fc.array_index, "expression": d.expression,
                                   "simple": d.is_simple_expression, "valid": d.is_valid})
for c in bpy.data.collections:
    lc = bpy.context.view_layer.layer_collection.children.get(c.name)
    out["collections"][c.name] = {"objects": len(c.objects), "hidden_in_viewport": bool(lc.hide_viewport) if lc else None}
json.dump(out, open(os.path.join(HERE, "checks", "dump.json"), "w"), indent=1)
print("DUMP drivers", [(d["object"], d["expression"], d["simple"], d["valid"]) for d in out["drivers"]])
print("DUMP root", out["root_props"])
print("DUMP collections", out["collections"])
print("DUMP sockets", sorted(k for k in out["objects"] if k.startswith("SOCKET_")))
print("DUMP movers", {k: v["location"] for k, v in out["objects"].items() if k in ("SM_Grouper_Hatch", "SM_Grouper_Door_L", "SM_Grouper_Door_R", "SM_Grouper_Rotor", "SM_Grouper_Antenna")})