#!/usr/bin/env python3
"""Verify a backup and restore it into a clean target directory."""

from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

from packages.hub_operations.backup import BackupManager  # noqa: E402


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--backup-root", type=Path, required=True)
    parser.add_argument("--archive", type=Path, required=True)
    parser.add_argument("--target-root", type=Path, required=True)
    args = parser.parse_args()
    artifact = BackupManager(args.backup_root).restore_clean(args.archive, args.target_root)
    print(
        json.dumps(
            {
                "restored": str(args.target_root),
                "sha256": artifact.sha256,
                "entries": artifact.entries,
            },
            sort_keys=True,
        )
    )
    return 0


if __name__ == "__main__":
    raise SystemExit(main())