#!/usr/bin/env python3
"""Verify illustrative inventory outputs for ISJ-SNAPSHOT-20260823."""

from __future__ import annotations

import csv
import pathlib
import sys


EXPECTED = {
    "locations": "3",
    "catalog_skus": "1160",
    "sold_without_snapshot_row": "81",
    "sold_at_zero_available": "9",
    "transfers_labeled_sales": "4",
}


def main() -> int:
    path = pathlib.Path(__file__).with_name("sell-through-ISJ-SNAPSHOT-20260823.csv")
    with path.open(newline="", encoding="utf-8") as handle:
        rows = list(csv.DictReader(handle))
    observed = {row["metric"]: row["value"] for row in rows if row["status"] == "published"}
    held = [row for row in rows if row["status"].startswith("held_")]
    if observed != EXPECTED or len(held) != 2 or any(row["value"] for row in held):
        print("FAIL: inventory outputs or held actions are incorrect.", file=sys.stderr)
        return 1
    print("OK: five inventory aggregates and two held actions verified.")
    return 0


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