/**
 * Where a domain came from / how it is managed.
 *
 * - 'manual'   → operator added the domain manually. dcrouter is the
 *               authoritative DNS server for it; records are served by
 *               the embedded smartdns.DnsServer.
 * - 'provider' → domain was imported from an external DNS provider
 *               (e.g. Cloudflare). The provider stays authoritative;
 *               dcrouter only reads/writes records via the provider API.
 */
export type TDomainSource = 'manual' | 'provider';

/**
 * A domain under management by dcrouter.
 */
export interface IDomain {
  id: string;
  /** Fully qualified domain name (e.g. 'example.com'). */
  name: string;
  source: TDomainSource;
  /** ID of the DnsProvider that owns this domain — only set when source === 'provider'. */
  providerId?: string;
  /** True when dcrouter is the authoritative DNS server for this domain (source === 'manual'). */
  authoritative: boolean;
  /** Authoritative nameservers (display only — populated from provider for imported domains). */
  nameservers?: string[];
  /** Provider's internal zone identifier — only set when source === 'provider'. */
  externalZoneId?: string;
  /** Last time records were synced from the provider — only set when source === 'provider'. */
  lastSyncedAt?: number;
  description?: string;
  createdAt: number;
  updatedAt: number;
  createdBy: string;
}