#!/usr/bin/env python3
"""Validate a Q-Prefer training manifest and print its immutable summary."""

from __future__ import annotations

import argparse
import json
from pathlib import Path

from qprefer_reward.training.data import load_manifest, parse_path_prefix_maps


def main() -> None:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("manifest", type=Path)
    parser.add_argument("--media-root", type=Path)
    parser.add_argument("--path-prefix-map", action="append", default=[], metavar="OLD=NEW")
    parser.add_argument("--check-media", action="store_true")
    args = parser.parse_args()
    _, summary = load_manifest(
        args.manifest,
        media_root=args.media_root,
        path_prefix_maps=parse_path_prefix_maps(args.path_prefix_map),
        check_media=args.check_media,
    )
    print(json.dumps(summary, indent=2))


if __name__ == "__main__":
    main()