// Singleton guard — openclaw calls register() twice per process
let _registered = false;

export default function register(_api) {
  if (_registered) return;
  _registered = true;

  const client = globalThis.__yonexusClient;
  if (!client) {
    console.error('[client-test] __yonexusClient not on globalThis — ensure Yonexus.Client loads first');
    return;
  }

  console.log('[client-test] __yonexusClient available, keys:', Object.keys(client));

  // Register test_pong rule
  // Received format (plain rule message from server): test_pong::<content>
  client.ruleRegistry.registerRule('test_pong', (raw) => {
    const sep = raw.indexOf('::');
    const content = raw.slice(sep + 2);
    console.log(`[client-test] MATCH  test_pong  content="${content}"`);
  });

  // When authenticated, send one matching and one non-matching rule message to server
  client.onAuthenticated.push(() => {
    console.log('[client-test] Authenticated — sending test_ping + other_rule to server');
    const s1 = client.sendRule('test_ping', 'hello-from-client');
    const s2 = client.sendRule('other_rule', 'other-from-client');
    console.log(`[client-test] sendRule results: test_ping=${s1} other_rule=${s2}`);
  });

  console.log('[client-test] registered test_pong rule and onAuthenticated callback');
}