#!/usr/bin/env python3
"""Validate the local Red Hat CSAF mirror."""
import argparse
import json
from pathlib import Path


def validate(root):
    root = Path(root)
    state = root / 'state/sync.json'
    if not state.exists():
        raise RuntimeError('Sync state missing')
    obj = json.loads(state.read_text())
    files = list((root / 'data/csaf').glob('*/*.json'))
    if not files:
        raise RuntimeError('No CSAF documents present')
    for path in files:
        data = json.loads(path.read_bytes())
        if not isinstance(data, dict) or not isinstance(data.get('document'), dict):
            raise RuntimeError(f'Invalid CSAF document: {path}')
    print(f'Validated {len(files)} Red Hat CSAF documents; source index entries: {obj["index_count"]}')

if __name__ == '__main__':
    ap = argparse.ArgumentParser()
    ap.add_argument('--root', default='.')
    validate(ap.parse_args().root)