feat: Implement AI Chat Agent, Email Notifications, and UI enhancements

server/email.ts

@@ -0,0 +1,96 @@
+import nodemailer from 'nodemailer';
+import { IStorage } from './storage';
+import { User } from '../shared/schema';
+
+interface EmailSettings {
+    host: string;
+    port: number;
+    user?: string;
+    pass?: string;
+    from: string;
+    secure: boolean;
+}
+
+export class EmailService {
+    private storage: IStorage;
+
+    constructor(storage: IStorage) {
+        this.storage = storage;
+    }
+
+    private async getTransporter() {
+        // Try to get settings from DB
+        const host = await this.storage.getSystemSettings('smtp_host');
+        const port = await this.storage.getSystemSettings('smtp_port');
+        const user = await this.storage.getSystemSettings('smtp_user');
+        const pass = await this.storage.getSystemSettings('smtp_pass');
+        const from = await this.storage.getSystemSettings('smtp_from');
+        const secure = await this.storage.getSystemSettings('smtp_secure');
+
+        // Fallback to Env or MailHog defaults
+        const settings: EmailSettings = {
+            host: host || process.env.SMTP_HOST || 'localhost',
+            port: port ? parseInt(port) : (process.env.SMTP_PORT ? parseInt(process.env.SMTP_PORT) : 1025),
+            user: user || process.env.SMTP_USER,
+            pass: pass || process.env.SMTP_PASS,
+            from: from || process.env.SMTP_FROM || '"TaskFlow" <noreply@taskflow.local>',
+            secure: secure === 'true'
+        };
+
+        return nodemailer.createTransport({
+            host: settings.host,
+            port: settings.port,
+            secure: settings.secure,
+            auth: settings.user ? {
+                user: settings.user,
+                pass: settings.pass
+            } : undefined,
+            ignoreTLS: !settings.secure // useful for MailHog
+        });
+    }
+
+    async sendWelcomeEmail(user: User) {
+        try {
+            const transporter = await this.getTransporter();
+            const info = await transporter.sendMail({
+                from: await this.getFromAddress(),
+                to: user.email,
+                subject: 'Welcome to TaskFlow!',
+                text: `Hi ${user.username},\n\nWelcome to TaskFlow! We're excited to have you on board.\n\nBest,\nThe TaskFlow Team`,
+                html: `<h1>Welcome to TaskFlow!</h1><p>Hi ${user.username},</p><p>We're excited to have you on board.</p><p>Best,<br>The TaskFlow Team</p>`
+            });
+            console.log(`[Email] Welcome email sent to ${user.email}: ${info.messageId}`);
+            return true;
+        } catch (error) {
+            console.error(`[Email] Failed to send welcome email to ${user.email}:`, error);
+            return false;
+        }
+    }
+
+    async sendPasswordResetEmail(user: User, token: string) {
+        try {
+            const transporter = await this.getTransporter();
+            // TODO: Get base URL from settings or env
+            const baseUrl = process.env.APP_URL || 'http://localhost:5001';
+            const resetLink = `${baseUrl}/reset-password?token=${token}`;
+
+            const info = await transporter.sendMail({
+                from: await this.getFromAddress(),
+                to: user.email,
+                subject: 'Reset your TaskFlow Password',
+                text: `Hi ${user.username},\n\nYou requested a password reset. Click the link below to reset your password:\n\n${resetLink}\n\nIf you didn't request this, please ignore this email.\n\nThis link expires in 1 hour.`,
+                html: `<h1>Reset Password</h1><p>Hi ${user.username},</p><p>You requested a password reset. Click the link below to reset your password:</p><p><a href="${resetLink}">Reset Password</a></p><p>If you didn't request this, please ignore this email.</p><p>This link expires in 1 hour.</p>`
+            });
+            console.log(`[Email] Password reset email sent to ${user.email}: ${info.messageId}`);
+            return true;
+        } catch (error) {
+            console.error(`[Email] Failed to send reset email to ${user.email}:`, error);
+            return false;
+        }
+    }
+
+    private async getFromAddress() {
+        const from = await this.storage.getSystemSettings('smtp_from');
+        return from || process.env.SMTP_FROM || '"TaskFlow" <noreply@taskflow.local>';
+    }
+}