"""Bulk-import snapshot.json files straight into the DB (no HTTP server needed).

    python -m ams.api.importer [--game "Reksio i UFO"] snapshots/*.json
"""

from __future__ import annotations

import argparse
import json
import sys

from .db import get_session, init_db
from .service import import_snapshot, looks_like_snapshot


def main(argv: list[str] | None = None) -> int:
    p = argparse.ArgumentParser(prog="ams-import", description="Import snapshots into the catalog DB.")
    p.add_argument("files", nargs="+", help="snapshot.json files")
    p.add_argument("--game", help="link all imported snapshots to this game (created if missing)")
    args = p.parse_args(argv)

    init_db()
    db = get_session()
    try:
        for path in args.files:
            with open(path, "r", encoding="utf-8") as fh:
                data = json.load(fh)
            if not looks_like_snapshot(data):
                print("[!] skip (not a snapshot): {0}".format(path))
                continue
            snap = import_snapshot(db, data, args.game)
            print("[+] #{0} {1} [{2}/{3}] types={4} methods={5} events={6} fields={7}".format(
                snap.id, snap.binary_name, snap.engine, snap.compiler,
                snap.n_types, snap.n_methods, snap.n_events, snap.n_fields))
    finally:
        db.close()
    return 0


if __name__ == "__main__":
    sys.exit(main())