from __future__ import annotations

import json
from pathlib import Path
import sys

ROOT = Path(__file__).resolve().parents[1]
EVIDENCE_ROOT = Path(sys.argv[1]) if len(sys.argv) > 1 else ROOT / "evidence"
MANIFEST = EVIDENCE_ROOT / "manifest.jsonl"


def main() -> int:
    print(f"evidence_root: {EVIDENCE_ROOT}")
    if not MANIFEST.exists():
        print(f"ERROR: manifest missing: {MANIFEST}")
        return 1

    lines = [line for line in MANIFEST.read_text(encoding="utf-8").splitlines() if line.strip()]
    print(f"manifest_entries: {len(lines)}")
    if not lines:
        print("ERROR: manifest is empty")
        return 1

    for idx, line in enumerate(lines[:5], start=1):
        record = json.loads(line)
        for key in ("screenshotPath", "domPath", "urlPath"):
            path = Path(record[key])
            if not path.exists():
                print(f"ERROR: missing {key} for entry {idx}: {path}")
                return 1
        print(f"OK: entry {idx} -> {record['label']}")

    return 0


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