Welcome to GuardianCall.ai

const nodemailer = require('nodemailer'); // Configure Gmail transporter const transporter = nodemailer.createTransport({ service: 'gmail', auth: { user: process.env.GMAIL_USER, // your Gmail pass: process.env.GMAIL_PASS // Gmail App Password } }); // In-memory rate limit tracker: email → [timestamps] const emailSendLog = new Map(); // Helper: Can we send this email? function canSendEmail(email) { const now = Date.now(); const windowTime = 24 * 60 * 60 * 1000; // 24 hours in ms const limit = 2; const timestamps = emailSendLog.get(email) || []; const recent = timestamps.filter(ts => now - ts < windowTime); if (recent.length >= limit) return false; recent.push(now); emailSendLog.set(email, recent); return true; } // Send acknowledgment email to the user async function sendAcknowledgementEmail(firstName, email) { console.log('Sending acknowledgement email to user:', firstName, email); const mailOptions = { from: `"GuardianCall.ai" <${process.env.GMAIL_USER}>`, to: email, subject: 'Welcome to GuardianCall.ai!', html: ` Welcome to GuardianCall.ai

Welcome, ${firstName}!

Thank you for signing up with GuardianCall.ai. Your account registration request has been received and is currently under review.

Once your account is approved, you'll receive a confirmation email with next steps and login instructions.

In the meantime, feel free to explore more about what GuardianCall.ai can do for you.

Warm regards,
The GuardianCall.ai Team

© 2025 GuardianCall.ai. All rights reserved.

` }; return transporter.sendMail(mailOptions); } // Send signup request to admin + acknowledgment to user async function sendSignupEmail(email, firstName, lastName, password) { if (!canSendEmail(email)) { const error = new Error(`Rate limit exceeded for ${email}. Please try again later.`); error.status = 429; // Too Many Requests throw error; } const mailOptions = { from: `"GuardianCall.ai" <${process.env.GMAIL_USER}>`, to: process.env.gmail_admin, subject: 'Signup request', html: ` New Signup Request - GuardianCall

New Signup Request Received

Hi Admin,

A new user has requested signup on GuardianCall.ai.

User Details:

First Name: ${firstName}
Last Name: ${lastName}
Email: ${email}
Suggested Password: ${password}

Please verify the information and take appropriate action.

Cheers,
The GuardianCall.ai Team

© 2025 GuardianCall.ai. All rights reserved.

` }; // Send both emails await sendAcknowledgementEmail(firstName, email); return transporter.sendMail(mailOptions); } module.exports = { sendSignupEmail };