#!/usr/bin/env node
// Renew Gmail Watch subscription (expires every 7 days)
// Run via cron every 6 days

import { google } from 'googleapis';
import { readFileSync, writeFileSync } from 'fs';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';

const __dirname = dirname(fileURLToPath(import.meta.url));
const CLIENT_ID = '689689127579-1it7eeinkckf1qgrvs2g9nvkjk1f960h.apps.googleusercontent.com';
const CLIENT_SECRET = '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';
const TOPIC = 'projects/key-utility-477818-t4/topics/upwork-email-notifications';
const TOKEN_FILE = join(__dirname, 'gmail-refresh-token.json');

const tokenData = JSON.parse(readFileSync(TOKEN_FILE, 'utf8'));

const oauth2Client = new google.auth.OAuth2(CLIENT_ID, CLIENT_SECRET);
oauth2Client.setCredentials({ refresh_token: tokenData.refresh_token });

const gmail = google.gmail({ version: 'v1', auth: oauth2Client });

const watchResponse = await gmail.users.watch({
  userId: 'me',
  requestBody: {
    topicName: TOPIC,
    labelIds: ['INBOX'],
    labelFilterBehavior: 'INCLUDE',
  },
});

console.log('Watch renewed:', JSON.stringify(watchResponse.data));

// Update expiration
tokenData.expiration = watchResponse.data.expiration;
tokenData.lastRenewal = new Date().toISOString();
writeFileSync(TOKEN_FILE, JSON.stringify(tokenData, null, 2));
console.log('Token file updated with new expiration');