registerController.js

import User from "../models/User.js";
import sendConfirmationEmail from "../services/emailService.js";
import allowedDomains from "../config/allowedDomains.js";

const handleNewRegistration = async (req, res) => {
    const { name, email, phoneNumber, college, semester,gender, agree } = req.body;
    // Validate required fields
    if (!name || !email || !phoneNumber || !college || !semester, !gender, !agree) {
        return res.status(400).json({ message: 'All fields are required.' });
    }
    // Check for duplicate email and phone number in parallel
    const [duplicateEmail, duplicatePhoneNo] = await Promise.all([
        User.findOne({ email }),
        User.findOne({ phoneNumber })
    ]);
    // Check if the email domain is allowed
    const emailDomain = email.split('@')[1];
    if (!allowedDomains.includes(emailDomain)) {
        return res.status(400).json({ message: 'Email domain not allowed.' });
    }
    if (duplicateEmail && duplicatePhoneNo) {
        return res.status(409).json({ message: 'Email and Phone Number already registered.' });
    }
    else if (duplicateEmail) {
        console.log('Duplicate email found:', duplicateEmail);
        return res.status(409).json({ message: 'Email already registered.' });
    }
    else if (duplicatePhoneNo) {
        console.log('Duplicate phone number found:', duplicatePhoneNo);
        return res.status(409).json({ message: 'Phone number already registered.' });
    }
     
    try {
        // Create a new user
        const newUser = await User.create({ name, email, phoneNumber, college, semester, gender, agree });
        const mailOptions={
            from:'"Hack-This-Spring Team" open8hub@gmail.com',
            to: email,
            subject: 'Registration Confirmation for Hack This Spring',
            text:`Dear ${name},\n\nThank you for registering for HackThisSpring! We are excited to have you onboard for this prestigious hackathon organized by the OpenHub Community.\n\nIn the coming days, we will be hosting a team-building meet where you will have the opportunity to connect with other developers, discuss ideas, and form your teams for the event. We encourage you to participate actively and collaborate with fellow developers.\n\nWe look forward to seeing you at HackThisSpring and wish you the best of luck!\n\nBest regards,\nThe HackThisSpring Team`,
            html:`
                <p>Dear <strong>${name}</strong>,</p>
                <p>Thank you for registering for <strong>HackThisSpring</strong>! We are thrilled to have you onboard for this exciting hackathon, organized by the <strong>OpenHub Community</strong>.</p>
                <p>In the coming days, we will be hosting a <strong>team-building meet</strong> where you will have the opportunity to connect with other developers, exchange ideas, and form your teams for the event. We encourage you to actively participate and collaborate with your fellow developers.</p>
                <p>We are excited about your participation in <strong>HackThisSpring</strong> and wish you the best of luck as you prepare for the hackathon.</p>
                <p>Best regards,</p>
                <p>The HackThisSpring Team</p>
            `
        };
        // Send confirmation email
        sendConfirmationEmail( email, mailOptions);
        return res.status(201).json({
            message: `New user '${newUser.name}' created successfully.`//, user: newUser, // Include the created user details if needed
        });
    } catch (error) {
        return res.status(500).json({ message: error.message });
    }
};




export default handleNewRegistration