# Phase E: Frontend Implementation - Progress Report

## 🎉 Status: MAJOR PROGRESS

**Date**: 2025-12-24  
**Phase**: E - Frontend Implementation  
**Progress**: Core pages and components implemented

---

## ✅ What's Been Implemented

### 1. UI Component Library ✅

**Created Components**:
- ✅ `src/lib/utils.ts` - Utility functions (cn helper)
- ✅ `src/components/ui/button.tsx` - Button component
- ✅ `src/components/ui/card.tsx` - Card components (Card, CardHeader, CardTitle, etc.)

**Features**:
- TailwindCSS-based styling
- Variant support (default, destructive, outline, secondary, ghost, link)
- Size variants (default, sm, lg, icon)
- TypeScript support

### 2. API Integration ✅

**Created API Modules**:
- ✅ `src/api/storage.ts` - Storage API functions
  - List disks, repositories, volume groups
  - Create/delete repositories
  - Sync disks
  
- ✅ `src/api/monitoring.ts` - Monitoring API functions
  - List alerts with filters
  - Get metrics
  - Acknowledge/resolve alerts

**Type Definitions**:
- PhysicalDisk, VolumeGroup, Repository interfaces
- Alert, AlertFilters, Metrics interfaces

### 3. Pages Implemented ✅

**Dashboard** (`src/pages/Dashboard.tsx`):
- ✅ System health status
- ✅ Overview cards (repositories, alerts, targets, tasks)
- ✅ Quick actions
- ✅ Recent alerts preview
- ✅ Real-time metrics integration

**Storage Management** (`src/pages/Storage.tsx`):
- ✅ Disk repositories list with usage charts
- ✅ Physical disks list
- ✅ Volume groups list
- ✅ Capacity visualization
- ✅ Status indicators

**Alerts** (`src/pages/Alerts.tsx`):
- ✅ Alert list with filtering
- ✅ Severity-based styling
- ✅ Acknowledge/resolve actions
- ✅ Real-time updates via TanStack Query

### 4. Utilities ✅

**Created**:
- ✅ `src/lib/format.ts` - Formatting utilities
  - `formatBytes()` - Human-readable byte formatting
  - `formatRelativeTime()` - Relative time formatting

### 5. WebSocket Hook ✅

**Created**:
- ✅ `src/hooks/useWebSocket.ts` - WebSocket hook
  - Auto-reconnect on disconnect
  - Token-based authentication
  - Event handling
  - Connection status tracking

### 6. Routing ✅

**Updated**:
- ✅ Added `/storage` route
- ✅ Added `/alerts` route
- ✅ Navigation links in Layout

---

## 📊 Current Status

### Pages Status
- ✅ **Dashboard** - Fully functional with metrics
- ✅ **Storage** - Complete with all storage views
- ✅ **Alerts** - Complete with filtering and actions
- ⏳ **Tape Libraries** - Pending
- ⏳ **iSCSI Targets** - Pending
- ⏳ **Tasks** - Pending
- ⏳ **System** - Pending
- ⏳ **IAM** - Pending

### Components Status
- ✅ **Layout** - Complete with sidebar navigation
- ✅ **Button** - Complete with variants
- ✅ **Card** - Complete with all sub-components
- ⏳ **Table** - Pending
- ⏳ **Form** - Pending
- ⏳ **Modal** - Pending
- ⏳ **Toast** - Pending

---

## 🎨 Features Implemented

### Dashboard
- System health indicator
- Overview statistics cards
- Quick action buttons
- Recent alerts preview
- Real-time metrics

### Storage Management
- Repository list with capacity bars
- Physical disk inventory
- Volume group status
- Usage percentage visualization
- Status indicators (active/inactive, in use/available)

### Alerts
- Filter by acknowledgment status
- Severity-based color coding
- Acknowledge/resolve actions
- Relative time display
- Resource information

---

## 📁 File Structure

```
frontend/src/
├── api/
│   ├── client.ts          ✅
│   ├── auth.ts            ✅
│   ├── storage.ts          ✅ NEW
│   └── monitoring.ts      ✅ NEW
├── components/
│   ├── Layout.tsx          ✅
│   └── ui/
│       ├── button.tsx      ✅ NEW
│       ├── card.tsx        ✅ NEW
│       └── toaster.tsx     ✅
├── pages/
│   ├── Login.tsx           ✅
│   ├── Dashboard.tsx       ✅ UPDATED
│   ├── Storage.tsx         ✅ NEW
│   └── Alerts.tsx          ✅ NEW
├── hooks/
│   └── useWebSocket.ts     ✅ NEW
├── lib/
│   ├── utils.ts            ✅ NEW
│   └── format.ts           ✅ NEW
├── store/
│   └── auth.ts             ✅
├── App.tsx                  ✅ UPDATED
└── main.tsx                ✅
```

---

## 🚀 Next Steps

### Immediate Tasks
1. **Tape Library Pages** - Physical and virtual tape management
2. **iSCSI Management** - Target and LUN management
3. **Tasks Page** - Task status and progress
4. **System Page** - Service management and logs
5. **IAM Page** - User and role management (admin only)

### Component Enhancements
1. **Data Tables** - For lists with sorting/filtering
2. **Forms** - For creating/editing resources
3. **Modals** - For confirmations and details
4. **Toast Notifications** - For user feedback
5. **Charts** - For data visualization

### WebSocket Integration
1. **Real-time Alerts** - Live alert updates
2. **Task Progress** - Real-time task status
3. **Metrics Streaming** - Live metrics updates

---

## ✅ Summary

**Frontend Progress**: ✅ **SIGNIFICANT**

- ✅ 3 major pages implemented (Dashboard, Storage, Alerts)
- ✅ UI component library started
- ✅ API integration complete for storage and monitoring
- ✅ WebSocket hook ready
- ✅ Routing and navigation working

**Status**: 🟢 **GOOD PROGRESS**

The frontend now has functional pages for dashboard, storage management, and alerts. The foundation is solid and ready for building out the remaining pages.

🎉 **Phase E is making excellent progress!** 🎉