# To-Do List

## 🚀 High Priority

### 3. PWA Implementation
**Status:** Pending  
**Priority:** High  
**Estimated Time:** 4-6 hours

**Tasks:**
- [ ] Create `manifest.json` for PWA
  - App name, icons, theme colors
  - Display mode (standalone)
  - Start URL and scope
  
- [ ] Add app icons
  - 192x192 icon
  - 512x512 icon
  - Maskable icons for Android
  - Apple touch icons for iOS
  
- [ ] Create Service Worker
  - Cache strategy (network-first for API, cache-first for assets)
  - Offline fallback page
  - Background sync for transactions
  
- [ ] Add "Add to Home Screen" prompt
  - Detect installation capability
  - Show custom install prompt
  - Handle installation events
  
- [ ] Test PWA features
  - Install on Android
  - Install on iOS (Safari)
  - Test offline functionality
  - Verify caching works

**Benefits:**
- Users can install app on home screen
- Works offline
- Faster load times
- Native app-like experience

**Resources:**
- [PWA Documentation](https://web.dev/progressive-web-apps/)
- [Workbox (Service Worker library)](https://developers.google.com/web/tools/workbox)

---

### 4. Web Push Notifications
**Status:** Pending  
**Priority:** High  
**Estimated Time:** 6-8 hours

**Backend Tasks:**
- [ ] Install `web-push` library
  ```bash
  cd apps/api
  npm install web-push
  ```

- [ ] Generate VAPID keys
  ```typescript
  const vapidKeys = webpush.generateVAPIDKeys()
  // Add to .env:
  // VAPID_PUBLIC_KEY=...
  // VAPID_PRIVATE_KEY=...
  ```

- [ ] Create PushSubscription model (Prisma)
  ```prisma
  model PushSubscription {
    id        String   @id @default(uuid())
    userId    String
    user      User     @relation(fields: [userId], references: [id])
    endpoint  String   @unique
    keys      Json
    createdAt DateTime @default(now())
    @@index([userId])
  }
  ```

- [ ] Create NotificationService
  - Subscribe endpoint
  - Unsubscribe endpoint
  - Send notification method
  - Batch send for multiple users

- [ ] Add notification triggers
  - Transaction reminders (scheduled)
  - Budget alerts (real-time)
  - Payment reminders (scheduled)
  - Admin alerts (real-time)

**Frontend Tasks:**
- [ ] Request notification permission
  - Show permission prompt
  - Handle user response
  - Store permission status

- [ ] Subscribe to push notifications
  - Get service worker registration
  - Subscribe with VAPID public key
  - Send subscription to backend

- [ ] Handle push events in Service Worker
  - Show notification
  - Handle notification click
  - Open relevant page

- [ ] Add notification preferences UI
  - Enable/disable notifications
  - Choose notification types
  - Set quiet hours

- [ ] Test notifications
  - Test on Chrome (Android & Desktop)
  - Test on Firefox
  - Test on Safari (iOS 16.4+)
  - Test notification click actions

**Use Cases:**
1. **Transaction Reminders**
   - "Don't forget to log today's expenses!"
   - Daily/weekly schedule

2. **Budget Alerts**
   - "You've spent 80% of your monthly budget"
   - Real-time threshold alerts

3. **Payment Reminders**
   - "Subscription payment due in 3 days"
   - Scheduled based on payment dates

4. **Goal Progress**
   - "You're 50% towards your savings goal! 🎉"
   - Milestone notifications

5. **Admin Notifications**
   - "New payment verification request"
   - "New user registered"

**Resources:**
- [Web Push API](https://developer.mozilla.org/en-US/docs/Web/API/Push_API)
- [web-push library](https://github.com/web-push-libs/web-push)
- [Notification API](https://developer.mozilla.org/en-US/docs/Web/API/Notifications_API)

---

## 📋 Medium Priority

### Code Quality
- [ ] Fix ESLint warnings (87 issues)
  - Review and fix auth-related warnings
  - Fix OTP component warnings
  - Fix transaction/wallet warnings

### Testing
- [ ] Add unit tests for critical functions
- [ ] Add integration tests for API endpoints
- [ ] Add E2E tests for main user flows

### Documentation
- [ ] API endpoint documentation (Swagger/OpenAPI)
- [ ] Component documentation (Storybook)
- [ ] Database schema documentation

---

## 🔮 Future Enhancements

### Features
- [ ] Export transactions (CSV, PDF)
- [ ] Recurring transactions
- [ ] Budget categories
- [ ] Multi-currency support
- [ ] Team/family sharing
- [ ] Financial reports and charts

### Admin Features
- [ ] Analytics dashboard
- [ ] User activity logs
- [ ] System health monitoring
- [ ] Backup and restore

### Integrations
- [ ] Bank account sync
- [ ] Receipt scanning (OCR)
- [ ] Cryptocurrency tracking
- [ ] Investment portfolio

---

## ✅ Completed

- [x] Maintenance mode implementation
- [x] Admin auto-redirect after login
- [x] Profile page reuse for admin
- [x] Admin dashboard blocking for regular users
- [x] Admin settings tabbed interface
- [x] Documentation reorganization

---

## 📝 Notes

**Priority Levels:**
- **High:** Should be done soon (within 1-2 weeks)
- **Medium:** Important but not urgent (within 1 month)
- **Low:** Nice to have (when time permits)

**Time Estimates:**
- Based on single developer working full-time
- May vary based on experience and complexity
- Include testing and documentation time

**Update Frequency:**
- Review weekly
- Mark completed items
- Add new items as needed
- Reprioritize based on user feedback