from __future__ import annotations

import argparse
import importlib
import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parents[1]
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

_core = importlib.import_module("agent_call.core")
Store = _core.Store


def migrate(path: str) -> int:
    store = Store(path)
    try:
        row = store.one("SELECT MAX(version) AS version FROM schema_migrations")
        print(f"schema_version={row['version']}")
        return 0
    finally:
        store.close()


def main() -> int:
    parser = argparse.ArgumentParser(
        description="apply idempotent agent-call SQLite migrations"
    )
    parser.add_argument("database")
    args = parser.parse_args()
    return migrate(args.database)


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