"""nova resolve — resolve a contract YAML to a Target Stack JSON."""

from __future__ import annotations

import json

from core.contract_resolver import resolve
from core import env


def add_parser(subparsers):
    p = subparsers.add_parser("resolve", help="resolve a contract.yml to stack JSON")
    p.add_argument("contract")
    p.add_argument("out")
    p.add_argument("--environment", default=None)
    p.set_defaults(_run=run)


def run(args) -> int:
    env_override = args.environment or env.get_env("ENVIRONMENT_OVERRIDE")
    result = resolve(args.contract, environment_override=env_override)
    with open(args.out, "w") as fh:
        json.dump(result, fh, indent=2)
    print(f"resolve: wrote {args.out}")
    return 0


if __name__ == "__main__":
    import sys
    print("use: nova resolve <contract.yml> <out.json>", file=sys.stderr)