import fs from 'fs'; import path from 'path'; import nodemailer from 'nodemailer'; import { toHms } from './formatDuration'; import type { DailyAttendanceRow } from '../services/employeeTracker'; const transporter = nodemailer.createTransport({ host: process.env.EMAIL_HOST, port: Number(process.env.EMAIL_PORT) || 587, secure: process.env.EMAIL_SECURE === 'true', auth: { user: process.env.EMAIL_USER, pass: process.env.EMAIL_PASS, }, }); const LOGO_PATH = path.join(__dirname, '..', '..', 'public', 'eglogo.png'); const LOGO_CID = 'eglogics-logo'; const logoAttachment = fs.existsSync(LOGO_PATH) ? [{ filename: 'eglogo.png', path: LOGO_PATH, cid: LOGO_CID }] : []; const BRAND_COLOR = '#335cb4'; const DARK_COLOR = '#111827'; const HEADER_BG = '#ffffff'; // ─── Shared Layout ────────────────────────────────────────────────────────── const button = (href: string, label: string, color = BRAND_COLOR): string => `
${label}
`; const emailLayout = (bodyHtml: string, maxWidth = 560): string => `
 
${ logoAttachment.length ? `EGLogics` : `EGLogics` }
${bodyHtml}

This is an automated message from EGLogics Employee Engagement. Please do not reply to this email.

© ${new Date().getFullYear()} EGLogics. All rights reserved.
`; // ─── Interview Quiz ───────────────────────────────────────────────────────── export const sendInterviewQuizEmail = async (to: string, quizLink: string): Promise => { const html = emailLayout(`

Interview Quiz Invitation

Hello,

You have been invited to take an interview quiz. Click the button below whenever you're ready to begin.

${button(quizLink, 'Start Quiz')}

If you did not expect this email, you can safely ignore it.

`); await transporter.sendMail({ from: `"EGLogics" <${process.env.EMAIL_FROM || process.env.EMAIL_USER}>`, to, subject: 'Your Interview Quiz Link', html, attachments: logoAttachment, }); }; // ─── Employee Welcome ─────────────────────────────────────────────────────── export const sendEmployeeWelcomeEmail = async ( to: string, name: string, setPasswordLink: string, downloadUrl: string | null, ): Promise => { const downloadSection = downloadUrl ? `

Get the desktop app

Download and install the desktop software to track your attendance.

${button(downloadUrl, 'Download Desktop Software', DARK_COLOR)} ` : ''; const html = emailLayout(`

Welcome to EGLogics, ${name}!

An account has been created for you on the Employee Engagement platform.

Set your password to activate your account and get started.

${button(setPasswordLink, 'Set Password')}

This link will expire in 3 days.

${downloadSection}

If you did not expect this email, please contact your administrator.

`); await transporter.sendMail({ from: `"EGLogics" <${process.env.EMAIL_FROM || process.env.EMAIL_USER}>`, to, subject: 'Welcome to EGLogics — Set Up Your Account', html, attachments: logoAttachment, }); }; // ─── Password Reset ───────────────────────────────────────────────────────── export const sendPasswordResetEmail = async (to: string, resetLink: string): Promise => { const html = emailLayout(`

Password Reset Request

You requested a password reset for your account.

Click the button below to choose a new password. This link expires in 15 minutes.

${button(resetLink, 'Reset Password')}

If you did not request this, you can safely ignore this email — your password will remain unchanged.

`); await transporter.sendMail({ from: `"EGLogics" <${process.env.EMAIL_FROM || process.env.EMAIL_USER}>`, to, subject: 'Password Reset Request', html, attachments: logoAttachment, }); }; // ─── Daily Attendance Summary (admin) ─────────────────────────────────────── const escapeHtml = (value: string): string => value .replace(/&/g, '&') .replace(//g, '>') .replace(/"/g, '"') .replace(/'/g, '''); const STATUS_COLORS: Record = { Completed: '#047857', 'In Progress': '#b45309', Absent: '#b91c1c', }; const TH_STYLE = 'padding:10px 12px;text-align:left;font-size:12px;font-weight:600;color:#374151;background:#f3f4f6;border-bottom:1px solid #e5e7eb;white-space:nowrap;'; const TD_STYLE = 'padding:9px 12px;font-size:13px;color:#1f2937;border-bottom:1px solid #eef0f3;white-space:nowrap;'; const statTile = (label: string, value: number, color: string): string => `
${value}
${label}
`; // `date` is "yyyy-MM-dd" (Asia/Kolkata) and `rows` come from // getDailyAttendanceReport, so durations are in seconds. export const sendDailyAttendanceSummaryEmail = async ( to: string, date: string, rows: DailyAttendanceRow[], ): Promise => { const displayDate = date.split('-').reverse().join('-'); // yyyy-MM-dd -> dd-MM-yyyy const presentCount = rows.filter((r) => r.status !== 'Absent').length; const absentCount = rows.length - presentCount; const autoCount = rows.filter((r) => r.autoCheckedOut).length; const headers = [ 'Employee', 'First Check-in', 'Last Checkout', 'Work', 'Break', 'Idle', 'Interrupted', 'Auto Checkout', 'Status', ]; const bodyRows = rows .map((r, i) => { const absent = r.status === 'Absent'; const dur = (s: number) => (absent ? '-' : toHms(s)); const bg = i % 2 === 1 ? 'background:#fafafa;' : ''; return ` ${escapeHtml(r.name)} ${r.firstCheckIn ?? '-'} ${r.lastCheckOut ?? '-'} ${dur(r.workingTime)} ${dur(r.totalBreakTime)} ${dur(r.totalIdleTime)} ${dur(r.totalInterruptedTime)} ${absent ? '-' : r.autoCheckedOut ? 'Yes' : 'No'} ${r.status} `; }) .join(''); const table = rows.length ? `
${headers.map((h) => ``).join('')}${bodyRows}
${h}
` : `

No active employees found.

`; const html = emailLayout( `

Daily Attendance Summary

${displayDate} (IST) · durations in HH:MM:SS

${statTile('Present', presentCount, '#047857')} ${statTile('Absent', absentCount, '#b91c1c')} ${statTile('Auto Checkout', autoCount, '#b45309')}
${table} `, 960, ); await transporter.sendMail({ from: `"EGLogics" <${process.env.EMAIL_FROM || process.env.EMAIL_USER}>`, to, subject: `Daily Attendance Summary — ${displayDate}`, html, attachments: logoAttachment, }); };