export type OpencodeErrorKind = 'quota_exhausted' | 'authentication_invalid';

export function getOpencodeErrorKind(message: string | null | undefined): OpencodeErrorKind | null {
  const normalized = message?.trim().toLowerCase() ?? '';
  if (!normalized) return null;
  if (
    normalized.includes('user quota is not enough')
    || normalized.includes('quota is not enough')
    || normalized.includes('quota not enough')
    || normalized.includes('insufficient quota')
    || normalized.includes('quota exhausted')
    || normalized.includes('quota exceeded')
    || normalized.includes('token_balance_exhausted')
    || normalized.includes('token balance exhausted')
    || normalized.includes('balance exhausted')
    || normalized.includes('rolling 5-hour window')
    || normalized.includes('额度不足')
  ) {
    return 'quota_exhausted';
  }
  if (normalized.includes('works_square_gateway_authorize_failed')) {
    return 'authentication_invalid';
  }
  return null;
}