#!/usr/bin/env python3
import argparse
import json
from pathlib import Path
from sync import parse_index, validate_document


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('--root', default='.')
    args = parser.parse_args()
    root = Path(args.root)
    state = json.loads((root / 'state/sync.json').read_text())
    selected = parse_index((root / 'data/index.txt').read_bytes(), state['since_year'])
    if selected != state['entries']:
        raise ValueError('Index and state disagree')
    for item in selected:
        p = root / 'data/csaf' / item
        if not p.is_file():
            raise ValueError(f'Missing CSAF document: {item}')
        validate_document(p.read_bytes(), item)
    print(f'Validated {len(selected)} CSAF documents')

if __name__ == '__main__':
    main()