/** Selection is fixed at server startup / browser build, never learned from an untrusted RPC. */
export function networkProfile(value: string | undefined): 'testnet' | 'mainnet' {
  const profile = value ?? 'testnet';
  if (profile !== 'testnet' && profile !== 'mainnet') throw new Error('WIKIDECK_NETWORK must be testnet or mainnet');
  return profile;
}
export const PROFILE = networkProfile(typeof process !== 'undefined' && process.versions?.node
  ? process.env.WIKIDECK_NETWORK : import.meta.env?.VITE_WIKIDECK_NETWORK);
export const IS_MAINNET = PROFILE === 'mainnet';
export const NETWORK = IS_MAINNET ? 'wikideck-randomx-mainnet-1' as const : 'wikideck-randomx-testnet-6' as const;
// Candidate mainnet genesis: 2027-01-01 00:00 UTC. NOT a commitment to a launch date.
export const NETWORK_GENESIS_TIME = IS_MAINNET ? 1_798_761_600 : 1_792_411_200;
export const NETWORK_LABEL = IS_MAINNET ? 'MAINNET CANDIDATE' : 'TESTNET';