import { NextRequest, NextResponse } from 'next/server' import nodemailer from 'nodemailer' export const dynamic = 'force-dynamic' export const runtime = 'nodejs' const createTransporter = () => { const smtpHost = process.env.SMTP_HOST const smtpPort = process.env.SMTP_PORT ? parseInt(process.env.SMTP_PORT, 10) : 587 const smtpUser = process.env.SMTP_USER?.trim() const smtpPassword = (process.env.SMTP_PASSWORD || '').replace(/\s/g, '').trim() const smtpFromEmail = process.env.SMTP_FROM_EMAIL || 'BUILDMATE ' const isPlaceholder = (smtpHost?.trim() === 'your_smtp_host') || (smtpUser === 'your_smtp_user') || (smtpPassword === 'your_smtp_password') if (isPlaceholder) { throw new Error('SMTP credentials are still placeholders. Please update .env.local.') } if (!smtpHost || !smtpUser || !smtpPassword) { throw new Error('SMTP credentials are missing in environment variables.') } const isGmail = smtpHost.toLowerCase().includes('gmail.com') const port = smtpPort || 587 const secure = port === 465 return nodemailer.createTransport({ host: smtpHost, port, secure, ...(isGmail && { requireTLS: true }), auth: { user: smtpUser, pass: smtpPassword }, }) } export async function POST(request: NextRequest) { try { const body = await request.json() const { email, username } = body if (!email || !username) { return NextResponse.json( { error: 'Email and username are required' }, { status: 400 } ) } const transporter = createTransporter() const appUrl = process.env.NEXT_PUBLIC_APP_URL || 'https://buildmate.com' const emailHtml = `

Hello ${username},

Welcome to BUILDMATE! We're thrilled to have you join our community of PC builders. Your account has been created successfully, and you're all set to start building your perfect PC.

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` await transporter.sendMail({ from: process.env.SMTP_FROM_EMAIL || 'BUILDMATE ', to: email, subject: '🎉 Welcome to BUILDMATE - Let\'s Get Started!', html: emailHtml, }) console.log(`✅ Welcome email sent to ${email}`) return NextResponse.json( { success: true, message: 'Welcome email sent successfully', }, { status: 200 } ) } catch (error) { console.error('Send welcome email error:', error) return NextResponse.json( { error: error instanceof Error ? error.message : 'Failed to send welcome email' }, { status: 500 } ) } }