# Text to Audiobook Backend

FastAPI backend service for converting text to multi-voice audiobooks using Kokoro TTS.

## Setup

### Prerequisites

- Python 3.10 or higher
- espeak-ng (system dependency)

### Install espeak-ng

**macOS:**
```bash
brew install espeak-ng
```

**Linux (Ubuntu/Debian):**
```bash
sudo apt-get update
sudo apt-get install espeak-ng
```

### Python Environment Setup

1. Create a virtual environment:
```bash
python -m venv venv
```

2. Activate the virtual environment:
```bash
# macOS/Linux
source venv/bin/activate

# Windows
venv\Scripts\activate
```

3. Install dependencies:
```bash
pip install -r requirements.txt
```

4. Create environment file:
```bash
cp .env.example .env
```

## Running the Server

```bash
uvicorn main:app --reload --host 0.0.0.0 --port 8000
```

The API will be available at `http://localhost:8000`

API documentation: `http://localhost:8000/docs`

## API Endpoints

- `GET /api/health` - Health check endpoint
- `POST /api/tts/roles` - Detect roles in text
- `POST /api/tts` - Generate audiobook