# SpurrinAI Backend

A Node.js backend application for SpurrinAI platform.

## Project Structure

```
project-root/
├── src/                    # Source code
│   ├── app.js              # App entry point
│   ├── config/             # Configuration files
│   ├── controllers/        # Route controllers
│   ├── middleware/         # Custom middleware
│   ├── migrations/         # Database migrations
│   ├── routes/             # Route definitions
│   ├── services/           # Business logic
│   └── utils/              # Utility functions
├── docs/                   # Documentation
├── logs/                   # Application logs
├── scripts/                # Build and setup scripts
├── tests/                  # Test files
└── uploads/                # User uploads
```

## Prerequisites

- Node.js >= 14.0.0
- MySQL >= 5.7
- npm >= 6.0.0

## Installation

1. Clone the repository:
```bash
git clone -b dev https://git.tech4biz.wiki/Tech4Biz-Services/spurrin-cleaned-node.git
cd spurrinai-backend
```

2. Install dependencies:
```bash
npm install
```

3. Set up environment variables:
```bash
cp .env.example .env
# Edit .env with your configuration
```

4. Run the setup script:
```bash
npm run setup
```

## Development Mode

1. Start the development server with hot-reload:
```bash
npm run dev
```

2. Run tests:
```bash
# Run all tests
npm test

# Run unit tests only
npm run test:unit

# Run integration tests only
npm run test:integration
```

3. Code Quality:
```bash
# Lint code
npm run lint

# Fix linting issues
npm run lint:fix

# Format code
npm run format
```

## Production Mode

1. Build the application:
```bash
npm run build
```

2. Start the production server:
```bash
npm start
```

3. For production deployment, ensure:
   - Set `NODE_ENV=production` in `.env`
   - Configure proper database credentials
   - Set up SSL/TLS certificates
   - Configure proper logging
   - Set up process manager (PM2 recommended)

### Using PM2 (Recommended for Production)

1. Install PM2 globally:
```bash
npm install -g pm2
```

2. Start the application with PM2:
```bash
pm2 start src/app.js --name spurrinai-backend
```

3. Other useful PM2 commands:
```bash
# Monitor application
pm2 monit

# View logs
pm2 logs spurrinai-backend

# Restart application
pm2 restart spurrinai-backend

# Stop application
pm2 stop spurrinai-backend

# Flush logs
pm2 flush

# Delete all logs
pm2 flush spurrinai-backend

# Reload application with zero downtime
pm2 reload spurrinai-backend
```

## Database Migrations

```bash
# Create new migration
npm run migrate:create

# Run all migrations
npm run migrate

# Run migrations up
npm run migrate:up

# Run migrations down
npm run migrate:down
```

## API Documentation

Detailed API documentation can be found in the [docs/API.md](docs/API.md) file.

## Environment Variables

Required environment variables in `.env`:

```env
# Server Configuration
PORT=3000
NODE_ENV=development

# Database Configuration
DB_HOST=localhost
DB_PORT=5432
DB_NAME=spurrinai
DB_USER=postgres
DB_PASSWORD=your_password

# JWT Configuration
JWT_SECRET=your_jwt_secret
JWT_EXPIRES_IN=24h

# Email Configuration
SMTP_HOST=smtp.gmail.com
SMTP_PORT=587
SMTP_USER=your_email@gmail.com
SMTP_PASS=your_app_password

# File Upload Configuration
UPLOAD_DIR=uploads
MAX_FILE_SIZE=5242880 # 5MB
```

## Support

For support, please contact:
- Email: contact@tech4biz.io
- Issue Tracker: GitHub Issues

## License

UNLICENSED - All rights reserved by Tech4biz Solutions