# Support Center Module

Enterprise Support Center for handling customer support tickets, knowledge base articles, and support settings.

## Features

- **Ticket Management**
  - Create and track support tickets
  - Multiple ticket types (technical, billing, feature requests, etc.)
  - Priority and status management
  - Ticket categories and tags
  - SLA deadline tracking
  - Message and activity history

- **Knowledge Base**
  - Categorized articles
  - Search functionality
  - Featured articles
  - Article feedback (helpful/not helpful)
  - View count tracking
  - Rich content support

- **Public API**
  - Create tickets without authentication
  - Check ticket status by ticket number
  - Browse knowledge base articles
  - Search articles

## Setup

### 1. Run Migrations

```bash
python manage.py migrate
```

### 2. Populate Initial Data

```bash
python manage.py populate_support_data
```

This will create:
- 5 ticket statuses (Open, In Progress, Pending Response, Resolved, Closed)
- 4 ticket priorities (Low, Medium, High, Critical)
- 6 ticket categories
- 6 knowledge base categories
- 6 sample knowledge base articles

### 3. Admin Access

Access the Django admin panel to manage:
- Support tickets
- Ticket categories, statuses, and priorities
- Knowledge base categories and articles
- Support settings

## API Endpoints

### Tickets

- `GET /api/support/tickets/` - List all tickets
- `POST /api/support/tickets/` - Create a new ticket
- `GET /api/support/tickets/{id}/` - Get ticket details
- `POST /api/support/tickets/check-status/` - Check ticket status by ticket number
- `POST /api/support/tickets/{id}/add-message/` - Add a message to a ticket

### Categories

- `GET /api/support/categories/` - List all ticket categories
- `GET /api/support/statuses/` - List all ticket statuses
- `GET /api/support/priorities/` - List all ticket priorities

### Knowledge Base

- `GET /api/support/knowledge-base/` - List all published articles
- `GET /api/support/knowledge-base/{slug}/` - Get article details
- `GET /api/support/knowledge-base/featured/` - Get featured articles
- `GET /api/support/knowledge-base/by-category/{category_slug}/` - Get articles by category
- `POST /api/support/knowledge-base/{slug}/mark-helpful/` - Mark article as helpful/not helpful
- `GET /api/support/knowledge-base-categories/` - List all KB categories

### Settings

- `GET /api/support/settings/` - List all active support settings
- `GET /api/support/settings/{setting_name}/` - Get specific setting

## Models

### SupportTicket
Main model for support tickets with full tracking capabilities.

### TicketStatus
Ticket status options (Open, In Progress, Resolved, etc.)

### TicketPriority
Priority levels with SLA hours (Low, Medium, High, Critical)

### TicketCategory
Categorize tickets for better organization

### TicketMessage
Messages and updates on tickets

### TicketActivity
Audit trail of all ticket changes

### KnowledgeBaseCategory
Categories for knowledge base articles

### KnowledgeBaseArticle
Knowledge base articles with rich content

### SupportSettings
Configurable support center settings

## Usage Examples

### Create a Ticket

```python
import requests

data = {
    "title": "Cannot login to my account",
    "description": "I've been trying to login but getting error 500",
    "ticket_type": "technical",
    "user_name": "John Doe",
    "user_email": "john@example.com",
    "user_phone": "+1234567890",
    "company": "Acme Corp",
    "category": 1  # Technical Support category ID
}

response = requests.post('http://localhost:8000/api/support/tickets/', json=data)
ticket = response.json()
print(f"Ticket created: {ticket['ticket_number']}")
```

### Check Ticket Status

```python
import requests

data = {
    "ticket_number": "TKT-20231015-ABCDE"
}

response = requests.post('http://localhost:8000/api/support/tickets/check-status/', json=data)
ticket = response.json()
print(f"Status: {ticket['status_name']}")
```

### Search Knowledge Base

```python
import requests

response = requests.get('http://localhost:8000/api/support/knowledge-base/', params={'search': 'login'})
articles = response.json()
for article in articles:
    print(f"- {article['title']}")
```

## Frontend Integration

The support center is integrated with the Next.js frontend at `/support-center` with:
- Ticket submission form
- Knowledge base browser with search
- Ticket status checker
- Modern, responsive UI

## Email Notifications

To enable email notifications for tickets, configure email settings in `settings.py` and implement email templates in `support/templates/support/`.

## Security

- All endpoints are public (AllowAny permission)
- Ticket numbers are randomly generated and hard to guess
- Internal notes and messages are hidden from public API
- Rate limiting recommended for production

## Future Enhancements

- [ ] Live chat integration
- [ ] File attachments for tickets
- [ ] Email notifications
- [ ] Ticket assignment and routing
- [ ] SLA breach alerts
- [ ] Advanced analytics dashboard
- [ ] Webhook notifications