import { generateSeedPhrase, parseSeedPhrase } from "@fastnear/seed-phrase";

// Create a fresh key pair and its 12-word recovery phrase.
const { seedPhrase, publicKey, privateKey } = generateSeedPhrase();

// Recover the exact same keys later — byte-identical to near-cli.
const recovered = parseSeedPhrase(seedPhrase);
// recovered.publicKey === publicKey, recovered.privateKey === privateKey

// generateSeedPhrase(256) makes a 24-word phrase.

import * as near from "@fastnear/api";

// The faucet is testnet-only, and the default active network is mainnet —
// pin testnet so the key and later sends land on the same network.
near.config({ networkId: "testnet" });

const privateKey = near.utils.privateKeyFromRandom();
const publicKey = near.utils.publicKeyFromPrivate(privateKey);

// The account this key controls with no AddKey — 64-char hex.
near.print(near.implicitAccountId(publicKey));

// Or create + fund a named testnet account via the faucet.
const result = await near.createFundedTestnetAccount({
  newAccountId: "my-agent.testnet",
  publicKey,
});

// Persist the key in the *testnet* slot — account state is per network and
// the default active network is mainnet. After this,
// near.sendTx({ network: "testnet", ... }) signs for this account locally,
// with no wallet. Needs @fastnear/api 2.1.1+.
near.state.updateAccountState(
  { accountId: "my-agent.testnet", privateKey },
  "testnet",
);
near.print(result);