import {
  generateSeedPhrase,
  seedFromPhrase,
  rootFromSeed,
  accountNode,
  addressNode,
  p2pkhAddress,
  p2shP2wpkhAddress,
  p2wpkhAddress,
  p2trAddress,
  accountXpub,
  PURPOSE_LABEL,
  type Purpose,
} from '../src/index.js';

const args = process.argv.slice(2);
const phrase = args.length > 0 ? args.join(' ').trim() : generateSeedPhrase(128);

console.log('\n=== DigiByte HD Derivation Demo ===\n');
console.log(`Seed phrase (${phrase.split(/\s+/).length} words):`);
console.log(`  ${phrase}\n`);

const seed = await seedFromPhrase(phrase);
const root = rootFromSeed(seed);

const specs: Array<{
  purpose: Purpose;
  deriver: (n: ReturnType<typeof addressNode>) => string;
}> = [
  { purpose: 44, deriver: p2pkhAddress },
  { purpose: 49, deriver: p2shP2wpkhAddress },
  { purpose: 84, deriver: p2wpkhAddress },
  { purpose: 86, deriver: p2trAddress },
];

for (const spec of specs) {
  const acct = accountNode(root, spec.purpose, 0);
  console.log(`── ${PURPOSE_LABEL[spec.purpose]}`);
  console.log(`   account xpub: ${accountXpub(acct)}`);
  console.log(`   first 3 receive addresses  (m/${spec.purpose}'/20'/0'/0/*):`);
  for (let i = 0; i < 3; i++) {
    const key = addressNode(acct, 0, i);
    console.log(`     [${i}] ${spec.deriver(key)}`);
  }
  console.log();
}

console.log('Done. Cross-check any of these addresses against Ian Coleman');
console.log('iancoleman.io/bip39 with coin = "DGB - Digibyte" — they should match.\n');