import { coss } from '@coss';

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

// Generate an OAuth link for Google Calendar
const authUrl = coss.calendar.auth.getAuthUrl({
  provider: 'google',
  redirectUri: 'https://yourapp.com/callback',
});

// Exchange authorization code for access tokens
await coss.calendar.auth.exchangeCode({
  provider: 'google',
  code: 'authorization_code_here',
  redirectUri: 'https://yourapp.com/callback',
});

// List calendars
await coss.calendar.calendars.list({
  provider: 'google',
});

// Retrieve a calendar
await coss.calendar.calendars.retrieve({
  provider: 'google',
  calendarId: 'primary',
});

// Create an event
await coss.calendar.events.create({
  provider: 'google',
  calendarId: 'primary',
  event: {
    summary: 'Meeting with Jane',
    description: 'Discuss project updates',
    start: { dateTime: '2025-05-01T10:00:00Z' },
    end: { dateTime: '2025-05-01T11:00:00Z' },
  },
});

// List events
await coss.calendar.events.list({
  provider: 'google',
  calendarId: 'primary',
});

// Update an event
await coss.calendar.events.update({
  provider: 'google',
  calendarId: 'primary',
  eventId: 'event_abc123',
  updates: {
    description: 'Updated project discussion details',
  },
});

// Delete an event
await coss.calendar.events.delete({
  provider: 'google',
  calendarId: 'primary',
  eventId: 'event_abc123',
});

// Webhook events
coss.calendar.webhooks.on('event.created', (event) => {
  console.log('Event created:', event.data);
});

coss.calendar.webhooks.on('event.updated', (event) => {
  console.log('Event updated:', event.data);
});

coss.calendar.webhooks.on('event.deleted', (event) => {
  console.log('Event deleted:', event.data);
});

// Validate webhook signature
const isValid = coss.calendar.utils.verifySignature({
  payload: req.body,
  signature: req.headers['coss-calendar-signature'],
  secret: 'whsec_calendar_123',
});