#!/usr/bin/env python3
import json
import re
from pathlib import Path

root = Path(__file__).resolve().parents[1]
index = root / 'data/index/updates.json'
if not index.is_file():
    raise SystemExit('Missing data/index/updates.json')
obj = json.loads(index.read_text())
rows = obj if isinstance(obj, list) else obj.get('value')
if not isinstance(rows, list) or not rows:
    raise SystemExit('Empty or invalid updates index')
files = list((root/'data/cvrf').glob('*/*.json'))
if not files:
    raise SystemExit('No CVRF documents present')
for f in files:
    if not re.fullmatch(r'\d{4}-[A-Za-z]{3}\.json', f.name) or f.parent.name != f.name[:4]:
        raise SystemExit(f'Unexpected file path: {f}')
    document = json.loads(f.read_text())
    if not isinstance(document, dict) or not document:
        raise SystemExit(f'Invalid document {f}')
print(f'OK: {len(rows)} index entries and {len(files)} CVRF JSON files')