// Shape of one entry in a client's IP log, as returned by
// POST /panel/api/clients/ips/:email. `node` is the name of the node the IP is
// connecting through, or '' when it is on this local panel (or unattributed).
export type ClientIpInfo = {
  ip: string;
  time: string;
  node: string;
};

// normalizeClientIps accepts the API payload and returns typed entries. It also
// tolerates the legacy shape (a plain array of "ip (time)" strings) so the UI
// keeps working against older panels.
export function normalizeClientIps(obj: unknown): ClientIpInfo[] {
  if (!Array.isArray(obj)) return [];
  const out: ClientIpInfo[] = [];
  for (const x of obj) {
    if (typeof x === 'string') {
      if (x.length > 0) out.push({ ip: x, time: '', node: '' });
      continue;
    }
    if (x && typeof x === 'object') {
      const o = x as Record<string, unknown>;
      const ip = typeof o.ip === 'string' ? o.ip : '';
      if (!ip) continue;
      out.push({
        ip,
        time: typeof o.time === 'string' ? o.time : '',
        node: typeof o.node === 'string' ? o.node : '',
      });
    }
  }
  return out;
}