import requests

def generate_commit_message(prompt, model="qwen2.5-coder:3b", base_url="http://localhost:11434"):
    """Generate commit message using Ollama."""
    try:
        response = requests.post(
            f"{base_url}/api/generate",
            json={"model": model, "prompt": prompt, "stream": False},
            timeout=60
        )
        response.raise_for_status()
        return response.json().get('response', '').strip()
    except requests.exceptions.RequestException as e:
        raise ConnectionError(f"Failed to connect to Ollama: {e}")