"""nova auth status — print active credential + mode (REQ-344)."""

from __future__ import annotations

import json
import os
import sys

from core.auth_store import active_credential, emit_status_audit
from core.mode_resolver import resolve_mode_from_env


def add_parser(subparsers):
    p = subparsers.add_parser("status", help="show active credential + client mode")
    p.set_defaults(_run=run)


def run(args) -> int:
    cred = active_credential()
    emit_status_audit()
    mode, reason = resolve_mode_from_env(
        credential_type=cred.get("type") if cred else None,
    )
    if cred is None:
        print(f"no active credential (mode={mode}, reason={reason})")
        return 0
    print(json.dumps({
        "active_credential_jti": cred.get("jti"),
        "type": cred.get("type"),
        "exp": cred.get("exp"),
        "mode": mode,
        "selection_reason": reason,
    }, indent=2))
    return 0