"""nova env-check — check that an environment is bound (REQ-181)."""

from __future__ import annotations

import sys

from core.environment_check import check


def add_parser(subparsers):
    p = subparsers.add_parser("env-check", help="check that an environment is bound")
    p.add_argument("contract", nargs="?", default=None, help="contract path")
    p.add_argument("--env", default=None, help="environment name override")
    p.set_defaults(_run=run)


def run(args) -> int:
    ok, message = check(contract_path=args.contract, env_name=args.env)
    print(message) if ok else sys.stderr.write(message + "\n")
    return 0 if ok else 1


if __name__ == "__main__":
    import sys
    print("use: nova env-check <contract.yml> [--env name]", file=sys.stderr)