/**
 * Registry — Protocol discovery, contracts, chain metadata.
 *
 * Run: npx tsx examples/09-registry.ts
 */
import { Spectrum } from '@spectrumnodes/sdk';

const spectrum = new Spectrum({ api: process.env.SPECTRUM_API! });

async function main() {
  // --- getProtocols ---
  const protocols = await spectrum.registry.getProtocols({ category: 'lending' });
  console.log('Lending protocols:');
  for (const p of protocols) {
    console.log(`  ${p.name} (${p.slug})`);
  }

  // --- getProtocol ---
  const aave = await spectrum.registry.getProtocol('aave-v3');
  console.log(`\nAave V3: ${aave.name}`);
  console.log(`  Category: ${aave.category}`);
  console.log(`  Chains: ${aave.chains?.join(', ')}`);

  // --- getProtocolContracts ---
  const contracts = await spectrum.registry.getProtocolContracts('aave-v3', { chain: 'ethereum' });
  const contractEntries = Object.entries(contracts.contracts);
  console.log(`\nAave V3 contracts on Ethereum: ${contractEntries.length}`);
  for (const [key, c] of contractEntries.slice(0, 3)) {
    console.log(`  ${c.name}: ${c.address ?? key}`);
  }

  // --- getAddress ---
  const addr = await spectrum.registry.getAddress('aave-v3', 'pool', 'ethereum');
  console.log(`\nAave V3 pool on Ethereum: ${addr.address}`);

  // --- getCategories ---
  const categories = await spectrum.registry.getCategories();
  console.log(`\nAvailable categories: ${categories.join(', ')}`);

  // --- getChains ---
  const chains = await spectrum.registry.getChains();
  console.log(`Available chains: ${chains.length}`);
}

main().catch(console.error);