type PassiveChannelStatusSnapshot = {
  configured?: boolean;
  running?: boolean;
  lastStartAt?: number | null;
  lastStopAt?: number | null;
  lastError?: string | null;
  probe?: unknown;
  lastProbeAt?: number | null;
};

type TrafficStatusSnapshot = {
  lastInboundAt?: number | null;
  lastOutboundAt?: number | null;
};

export function buildPassiveChannelStatusSummary<TExtra extends object>(
  snapshot: PassiveChannelStatusSnapshot,
  extra?: TExtra,
) {
  return {
    configured: snapshot.configured ?? false,
    ...(extra ?? ({} as TExtra)),
    running: snapshot.running ?? false,
    lastStartAt: snapshot.lastStartAt ?? null,
    lastStopAt: snapshot.lastStopAt ?? null,
    lastError: snapshot.lastError ?? null,
  };
}

export function buildPassiveProbedChannelStatusSummary<TExtra extends object>(
  snapshot: PassiveChannelStatusSnapshot,
  extra?: TExtra,
) {
  return {
    ...buildPassiveChannelStatusSummary(snapshot, extra),
    probe: snapshot.probe,
    lastProbeAt: snapshot.lastProbeAt ?? null,
  };
}

export function buildTrafficStatusSummary<TSnapshot extends TrafficStatusSnapshot>(
  snapshot?: TSnapshot | null,
) {
  return {
    lastInboundAt: snapshot?.lastInboundAt ?? null,
    lastOutboundAt: snapshot?.lastOutboundAt ?? null,
  };
}