# Headless compatibility probe for Blosm and MPFB on the pinned Blender 5.2.
#
#   blender -b --factory-startup --python Tools/addon_compat_probe.py
#
# Checks: Blender version, Blosm add-on loads + version, MPFB extension
# enables + version, MPFB can create a default human headless, resulting
# object inventory (mesh/armature/materials/uvs).

import bpy
import sys

REPORT = "/tmp/addon-compat-report.txt"
lines = []


def log(msg):
    lines.append(str(msg))


bl = bpy.app.version_string
log(f"Blender: {bl}")

# --- Blosm (legacy add-on, scripts/addons) ---
try:
    import blosm  # noqa
    info = getattr(blosm, "bl_info", {})
    log(f"blosm: import OK, version {info.get('version', '?')}, blender {info.get('blender', '?')}")
except Exception as exc:  # noqa
    log(f"blosm: IMPORT FAILED: {exc!r}")

# --- MPFB (extension, extensions/blender_org/mpfb) ---
try:
    import addon_utils
    bpy.ops.preferences.addon_enable(module="bl_ext.blender_org.mpfb")
    enabled = "bl_ext.blender_org.mpfb" in bpy.context.preferences.addons
    version = "?"
    try:
        import bl_ext.blender_org.mpfb as mpfb_mod
        version = getattr(mpfb_mod, "MPFB_VERSION", "?")
    except Exception:
        pass
    log(f"mpfb: enable OK (registered={enabled}), version {version}")
except Exception as exc:  # noqa
    log(f"mpfb: ENABLE FAILED: {exc!r}")

# --- MPFB create-human smoke test ---
try:
    bpy.ops.mpfb.create_human("EXEC_DEFAULT")
    meshes = [o for o in bpy.data.objects if o.type == "MESH"]
    armatures = [o for o in bpy.data.objects if o.type == "ARMATURE"]
    log(f"mpfb.create_human: OK — {len(bpy.data.objects)} objects, "
        f"{len(meshes)} meshes, {len(armatures)} armatures")
    for o in meshes:
        uv = bool(o.data.uv_layers)
        mats = [m.name for m in o.data.materials]
        log(f"  mesh {o.name}: {len(o.data.vertices)} verts, uv={uv}, materials={mats}")
    for o in armatures:
        log(f"  armature {o.name}: {len(o.data.bones)} bones")
except Exception as exc:  # noqa
    log(f"mpfb.create_human: FAILED: {exc!r}")

with open(REPORT, "w") as f:
    f.write("\n".join(lines) + "\n")
print("\n".join(lines))