#!/usr/bin/env python3
"""Standalone integrity check for this published bundle. Imports none of CAIN-42's code.

    python3 verify_e37.py .

Reads manifest.json and re-hashes every listed file. Prints INTACT or BROKEN with a count.
"""
import hashlib, json, pathlib, sys
d = pathlib.Path(sys.argv[1] if len(sys.argv) > 1 else ".")
m = json.loads((d / "manifest.json").read_text())
bad, n = [], 0
for rel, h in m["files"].items():
    p = d / rel
    if not p.exists():
        bad.append(rel + ":MISSING"); continue
    n += 1
    if hashlib.sha256(p.read_bytes()).hexdigest() != h:
        bad.append(rel + ":HASH")
print(json.dumps({"result": "INTACT" if not bad else "BROKEN", "checks": n,
                   "passed": n - len(bad), "problems": bad}, indent=2))
sys.exit(0 if not bad else 1)