"""nova outbox — write an evidence event to the DynamoDB outbox (D-P10-3)."""

from __future__ import annotations

import json

from core.outbox_writer import write_event


def add_parser(subparsers):
    p = subparsers.add_parser("outbox", help="write an evidence event to the outbox")
    p.add_argument("event_json", help="path to an event JSON file")
    p.set_defaults(_run=run)


def run(args) -> int:
    with open(args.event_json) as fh:
        event = json.load(fh)
    item = write_event(event)
    print(json.dumps({k: list(v.values())[0] for k, v in item.items()}, indent=2))
    return 0


if __name__ == "__main__":
    import sys
    print("use: nova outbox <event.json>", file=sys.stderr)