import fs from 'fs';
import path from 'path';
import { db, save, uid, OUTBOX_DIR } from './store';
import { PdfDocument, User } from './types';
/** Base URL of the frontend, used to build links in outbound emails. */
export const FRONTEND_URL = (process.env.FRONTEND_URL || 'http://localhost:5179').replace(/\/$/, '');
const baseStyles = `
body { margin:0; padding:0; background:#eef0f4; font-family:'Segoe UI', Arial, sans-serif; color:#1e1b2e; }
.wrap { max-width:640px; margin:24px auto; background:#f7f8fb; border:1px solid #e4e6ef; border-radius:18px; overflow:hidden; }
.head { background:#ffffff; padding:28px 32px; display:flex; align-items:center; gap:16px; border-bottom:1px solid #eceef5; }
.logo { width:56px; height:56px; border-radius:50%; background:#5b21d6; color:#fff; display:inline-block; text-align:center; line-height:56px; font-size:26px; }
.brand { font-size:26px; font-weight:800; margin:0; }
.brand small { display:block; font-size:14px; font-weight:500; color:#6b7280; }
.brand small a { color:#5b21d6; text-decoration:none; }
.hero { text-align:center; padding:36px 32px 8px; }
.pdficon { width:88px; height:88px; border-radius:50%; background:#ece6fb; display:inline-block; line-height:88px; font-weight:700; color:#fff; }
.pdficon span { background:#5b21d6; border-radius:8px; padding:6px 10px; font-size:14px; }
h1 { font-size:34px; margin:20px 0 10px; }
h1 .accent { color:#5b21d6; }
.sub { color:#4b5563; font-size:16px; line-height:1.6; margin:0 auto 24px; max-width:480px; }
.sub a, .sub .link { color:#5b21d6; font-weight:600; text-decoration:none; }
.stats { background:#fff; border:1px solid #e9eaf2; border-radius:16px; margin:0 32px 24px; padding:20px 8px; }
.stats table { width:100%; border-collapse:collapse; }
.stats td { text-align:center; padding:6px 10px; border-left:1px solid #eef0f6; vertical-align:top; }
.stats td:first-child { border-left:none; }
.stat-label { color:#4b5563; font-size:13px; margin-top:8px; }
.stat-value { font-size:26px; font-weight:800; margin-top:4px; }
.icon-circle { width:44px; height:44px; border-radius:50%; display:inline-block; line-height:44px; font-size:20px; }
.notice { background:#f3effd; border:1px solid #e2d9f8; border-radius:14px; margin:0 32px 28px; padding:20px 24px; display:flex; gap:16px; text-align:left; }
.notice b { display:block; margin-bottom:6px; font-size:16px; }
.notice p { margin:0; color:#4b5563; font-size:14px; line-height:1.6; }
.files { background:#fff; border:1px solid #e9eaf2; border-radius:14px; margin:0 32px 24px; overflow:hidden; }
.files table { width:100%; border-collapse:collapse; font-size:14px; }
.files th { background:#efe9fb; text-align:left; padding:12px 18px; font-size:12px; letter-spacing:.06em; color:#4b3a86; }
.files td { padding:14px 18px; border-top:1px solid #f0f1f7; }
.chip { background:#e5f7ec; color:#15803d; border:1px solid #bfe8cf; border-radius:999px; padding:4px 12px; font-size:12px; font-weight:700; white-space:nowrap; }
.btns { text-align:center; padding:4px 32px 30px; }
.btn { display:inline-block; border-radius:12px; padding:14px 30px; font-size:16px; font-weight:700; text-decoration:none; margin:6px 8px; }
.btn-primary { background:#4c1fd1; color:#ffffff; }
.btn-outline { border:2px solid #5b21d6; color:#5b21d6; background:#fff; }
.footer { text-align:center; color:#4b5563; font-size:14px; padding:18px 32px 30px; border-top:1px solid #e9eaf2; }
.footer a { color:#5b21d6; font-weight:700; text-decoration:none; }
`;
function shell(inner: string): string {
return `
`;
}
export function renderTrialResultEmail(
user: User,
doc: PdfDocument,
remediatedNow: number,
remaining: number
): string {
return shell(`
PDF
${remediatedNow} pages remediated —
${remaining} pages remaining
Your free trial covered the first ${remediatedNow} pages of ${doc.name}.
Upgrade your plan to remediate the remaining ${remaining} pages.
| 📄 File ${doc.name} |
📑 Total pages ${doc.pages} |
✓ Remediated now ${remediatedNow} |
⌛ Remaining ${remaining} |
👑 Current plan Free Trial |
⚠️
The first ${remediatedNow} pages are already remediated.
The remaining ${remaining} pages require a paid plan to complete remediation and ensure full accessibility compliance.
`);
}
export function renderCompletionEmail(user: User, docs: PdfDocument[]): string {
const totalPages = docs.reduce((s, d) => s + (d.remediatedPages ?? d.pages), 0);
const rows = docs
.map(
(d) => `
| 📄 ${d.remediatedName ?? d.name} |
${d.remediatedPages ?? d.pages} |
✓ Completed |
`
)
.join('');
return shell(`
PDF
Your remediated PDFs are ready
Your recent accessibility remediation jobs are complete.
You can download the files or manage them from your dashboard.
| 📄 Total files ready ${docs.length} |
📑 Total pages ${totalPages} |
✓ Status Completed |
| FILE NAME | PAGES | STATUS |
|---|
${rows}
📥
You'll find your remediated PDFs attached to this email.
Or log in to your dashboard anytime to view and manage all your files.
`);
}
/** Welcome email sent right after registration (same shell as designs 14/15). */
export function renderWelcomeEmail(user: User): string {
return shell(`
PDF
Welcome, ${user.firstName}!
Your AI PDF Remediation account is ready.
Your free trial lets you scan & remediate up to 5 PDF pages — no payment needed.
| 📤 Step 1 Upload or scan a PDF |
✨ Step 2 Run AI Remediation |
⬇ Step 3 Download PDF/UA file |
🎁
Free trial included — ${user.pagesRemaining} pages
Tag structure & reading order, image alternate text, document title & language, and table headers are fixed automatically, targeting the PDF/UA standard. Plan pages are only deducted as PDFs are remediated.
`);
}
/** Invoice email for one order (same shell as designs 14/15). */
export function renderInvoiceEmail(
user: User,
order: { orderNo: number; type: string; name: string; domain: string; date: string; amount: number; status: string }
): string {
const dateText = new Date(order.date).toLocaleDateString('en-US', { month: 'long', day: 'numeric', year: 'numeric' });
return shell(`
PDF
Invoice #${order.orderNo}
Hi ${user.firstName}, here is your invoice for ${order.name}.
| 💳 ${order.type} ${order.name} |
${order.domain ? `🌐 Domain ${order.domain} | ` : ''}
📅 Order date ${dateText} |
$ Amount (USD) $${order.amount.toFixed(2)} |
✅
Status: ${order.status}
This is a copy of your order record. You can download the PDF invoice anytime from the Orders section of your dashboard.
`);
}
/** Password reset email (same shell as designs 14/15). Link expires in 60 minutes. */
export function renderPasswordResetEmail(user: User, resetUrl: string): string {
return shell(`
PDF
Reset your password
Hi ${user.firstName}, we received a request to reset the password for your
AI PDF Remediation account (${user.email}).
🔒
This link expires in 60 minutes
If you didn't request a password reset, you can safely ignore this email — your password will not be changed.
`);
}
export function sendEmail(
user: User,
template: 'trial-result' | 'remediation-complete' | 'welcome' | 'invoice' | 'password-reset',
subject: string,
html: string
): void {
const id = uid();
const file = `${new Date().toISOString().replace(/[:.]/g, '-')}-${template}-${id}.html`;
fs.writeFileSync(path.join(OUTBOX_DIR, file), html, 'utf-8');
db.emails.push({
id,
userId: user.id,
to: user.email,
subject,
template,
file,
createdAt: new Date().toISOString(),
});
save();
console.log(`[email] "${subject}" -> ${user.email} (saved to outbox/${file})`);
}