export function parseResponse(responseBody: string): Record<string, string> {
  if (!responseBody || responseBody.trim() === '') {
    return {};
  }
  
  const response: Record<string, string> = {};
  
  const pairs = responseBody.split(',');
  for (const pair of pairs) {
    const eqIndex = pair.indexOf('=');
    if (eqIndex > 0) {
      const key = pair.substring(0, eqIndex);
      const value = pair.substring(eqIndex + 1);
      response[key] = value;
    }
  }

  if (!response.hasOwnProperty('ret')) {
    throw new Error("missing 'ret' field in response");
  }

  if (response['ret'] !== 'OK') {
    return {};
  }

  if (response.hasOwnProperty('name')) {
    response['name'] = decodeURIComponent(response['name']);
  }

  return response;
}