import { coss } from '@coss';

coss.sms.init({
  apiKey: process.env.COSS_KEY,
  environment: 'production', // or 'sandbox'
});

// Send an SMS message
await coss.sms.messages.send({
  to: '+15551234567',
  from: '+15559876543',
  body: 'Your verification code is 123456',
});

// Retrieve a message
await coss.sms.messages.retrieve('msg_abc123');

// List sent messages
await coss.sms.messages.list({
  to: '+15551234567',
});

// Buy a new phone number
await coss.sms.numbers.purchase({
  country: 'US',
  areaCode: '415',
});

// List owned numbers
await coss.sms.numbers.list();

// Release a phone number
await coss.sms.numbers.release('+15559876543');

// Webhook events
coss.sms.webhooks.on('message.delivered', (event) => {
  console.log('Message delivered:', event.data);
});

coss.sms.webhooks.on('message.failed', (event) => {
  console.log('Message failed:', event.data);
});

// Validate webhook signature
const isValid = coss.sms.utils.verifySignature({
  payload: req.body,
  signature: req.headers['coss-sms-signature'],
  secret: 'whsec_sms_123',
});