/**
 * A registered VPN client (secrets excluded from API responses).
 */
export interface IVpnClient {
  clientId: string;
  enabled: boolean;
  serverDefinedClientTags?: string[];
  description?: string;
  assignedIp?: string;
  createdAt: number;
  updatedAt: number;
  expiresAt?: string;
}

/**
 * VPN server status.
 */
export interface IVpnServerStatus {
  running: boolean;
  subnet: string;
  wgListenPort: number;
  serverPublicKeys: {
    noisePublicKey: string;
    wgPublicKey: string;
  } | null;
  registeredClients: number;
  connectedClients: number;
}

/**
 * VPN client telemetry data.
 */
export interface IVpnClientTelemetry {
  clientId: string;
  assignedIp: string;
  bytesSent: number;
  bytesReceived: number;
  packetsDropped: number;
  bytesDropped: number;
  lastKeepaliveAt?: string;
  keepalivesReceived: number;
  rateLimitBytesPerSec?: number;
  burstBytes?: number;
}