# 📚 Ebook Translation System

Enterprise-grade systém na správu prekladov e-kníh s kupónovým systémom.

## 🎯 Komponenty

- **Backend API** (FastAPI) - REST API server
- **Admin Dashboard** - Webové rozhranie pre správu
- **PostgreSQL** - Databáza
- **Chrome Extension** - Automatická aplikácia prekladov

## 🚀 Quick Start

### Lokálne (Docker)

```bash
# 1. Vytvorte .env
cp .env.production .env
nano .env  # Upravte heslá

# 2. Spustite
./docker-start.sh
# ALEBO
docker-compose up -d --build

# 3. Otvorte
http://localhost:8000/login
```

### Production (Coolify)

Detailný návod: [GITEA_COOLIFY_SETUP.md](GITEA_COOLIFY_SETUP.md)

```bash
# 1. Push do Git
git init
git add .
git commit -m "Initial commit"
git push origin main

# 2. V Coolify
- New Resource → Docker Compose
- Pripojte Git repo
- Nastavte Environment Variables
- Deploy!
```

## 📖 Dokumentácia

- **[GITEA_COOLIFY_SETUP.md](GITEA_COOLIFY_SETUP.md)** - Gitea + Coolify deployment
- **[COOLIFY_DEPLOYMENT.md](COOLIFY_DEPLOYMENT.md)** - Coolify detaily
- **[DOCKER_README.md](DOCKER_README.md)** - Docker usage guide
- **[NAVOD_SLOVENSKY.md](NAVOD_SLOVENSKY.md)** - Slovenský kompletný návod
- **[SYSTEM_DOCUMENTATION.md](SYSTEM_DOCUMENTATION.md)** - Technická dokumentácia

## 🔧 Tech Stack

- **Backend:** FastAPI, Python 3.11+
- **Database:** PostgreSQL 15
- **Frontend:** HTML5, CSS3, Vanilla JS
- **Extension:** Chrome Extension (Manifest V3)
- **Deployment:** Docker, Docker Compose, Coolify

## 📝 Environment Variables

```bash
# Database
POSTGRES_DB=ebook_prod
POSTGRES_USER=ebook_user
POSTGRES_PASSWORD=changeme

# Security
SECRET_KEY=generate-new-32-chars
DEBUG=false
ENVIRONMENT=production

# Admin
ADMIN_USERNAME=admin
ADMIN_PASSWORD=changeme

# CORS
CORS_ORIGINS=https://your-domain.com
```

**Vygenerovať SECRET_KEY:**
```bash
python3 -c "import secrets; print(secrets.token_urlsafe(32))"
```

## 🎮 Usage

### Admin Panel

1. Login: `https://your-domain.com/login`
2. Generate kupóny
3. Upload translation Excel súbor
4. Manage kupóny

### Chrome Extension

1. Načítať extension do Chrome
2. Upraviť `config.js` → `API_BASE`
3. Zadať kupón
4. Vybrať jazyk
5. Spustiť preklad

## 🔐 Security

- ✅ Bcrypt password hashing
- ✅ Session-based authentication
- ✅ CORS protection
- ✅ SQL injection prevention
- ✅ HTTPS/SSL (production)
- ✅ Environment-based secrets

## 🐛 Troubleshooting

### Health Check
```bash
curl https://your-domain.com/health
```

### Logs
```bash
docker-compose logs -f backend
```

### Database
```bash
docker-compose exec postgres psql -U ebook_user -d ebook_prod
```

## 📊 API Endpoints

- `GET /health` - Health check
- `POST /admin/login` - Admin login
- `POST /generate` - Generate coupons
- `GET /list` - List coupons
- `POST /verify` - Verify coupon
- `POST /upload-translations` - Upload translation file
- `GET /translations/latest` - Download translations

**Full API Docs:** `https://your-domain.com/docs`

## 🤝 Contributing

1. Fork the repo
2. Create feature branch (`git checkout -b feature/amazing`)
3. Commit changes (`git commit -m 'Add amazing feature'`)
4. Push to branch (`git push origin feature/amazing`)
5. Open Pull Request

## 📄 License

MIT License - see LICENSE file for details

## 📞 Support

- **Documentation:** See `/docs` folder
- **Issues:** GitHub Issues
- **Health Check:** `/health` endpoint

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**Built with ❤️ using FastAPI, Docker, and modern web technologies**