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


def main() -> int:
	parser = argparse.ArgumentParser(description="Validate FalseMemBench JSONL data")
	parser.add_argument("--data", default=str(Path(__file__).resolve().parents[1] / "data" / "cases.jsonl"))
	args = parser.parse_args()
	dataset = Path(args.data)
	seen_ids = set()
	with dataset.open() as f:
		for line_no, line in enumerate(f, 1):
			line = line.strip()
			if not line:
				continue
			record = json.loads(line)
			case_id = record["id"]
			if case_id in seen_ids:
				raise SystemExit(f"duplicate case id at line {line_no}: {case_id}")
			seen_ids.add(case_id)
			entry_ids = {entry["id"] for entry in record["entries"]}
			missing = [rid for rid in record["relevant_ids"] if rid not in entry_ids]
			if missing:
				raise SystemExit(f"case {case_id} has missing relevant ids: {missing}")
	print(f"validated {len(seen_ids)} cases from {dataset}")
	return 0


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