import { SDKSignerClient, MessageType } from '../src/index';

async function basicExample() {
  // Use environment variables for configuration, with fallbacks
  const serverUrl = process.env.SERVER_URL || 'ws://localhost:9090';
  const apiKey = process.env.API_KEY || 'your-api-key-change-this';
  
  console.log(`🔧 Testing against server: ${serverUrl}`);
  console.log(`🔑 Using API key: ${apiKey.substring(0, 10)}...`);
  console.log('');

  // Create client instance
  const client = new SDKSignerClient({
    url: serverUrl,
    apiKey: apiKey
  });

  // Set up event handlers
  client.on('open', () => {
    console.log('✅ Connected to SDK Signer server');
  });

  client.on('close', () => {
    console.log('🔌 Disconnected from server');
  });

  client.on('error', (error: Error) => {
    console.error('❌ Error:', error.message);
  });

  client.on('message', (response: any) => {
    console.log('📨 Received:', response);
  });

  try {
    // Connect to server
    console.log('🔗 Connecting to server...');
    await client.connect();

    // Wait for server to send LISTENING message
    console.log('👂 Waiting for server LISTENING message...');
    const listeningResponse = await client.waitForListening();
    console.log('✅ Server listening:', listeningResponse);

    // Example: Notify an update
    console.log('📢 Notifying update...');
    const updateResponse = await client.notifyUpdate('process-123', 'state-456');
    console.log('✅ Update response:', updateResponse);

    // Example: Validate a state
    console.log('✅ Validating state...');
    const validateResponse = await client.validateState('process-123', 'state-456');
    console.log('✅ Validation response:', validateResponse);

    // Wait a bit before disconnecting
    await new Promise(resolve => setTimeout(resolve, 2000));

  } catch (error) {
    console.error('❌ Error in example:', error);
    process.exit(1); // Exit with error code for CI/CD
  } finally {
    // Disconnect
    console.log('🔌 Disconnecting...');
    client.disconnect();
  }
}

// Run the example
if (require.main === module) {
  basicExample().catch(console.error);
}

export { basicExample };