import requests
import os

def get_api_token():
    """Fetch API token from environment variable."""
    api_token = os.getenv("HF_API_TOKEN")
    if not api_token:
        raise ValueError("⚠️ API Token is missing! Please set HF_API_TOKEN as an environment variable.")
    return api_token

API_TOKEN = get_api_token()
MODEL_ID = "codellama/CodeLlama-7b-Instruct-hf"
API_URL = f"https://api-inference.huggingface.co/models/{MODEL_ID}"
HEADERS = {"Authorization": f"Bearer {API_TOKEN}"}

def translate_code(code_snippet, source_lang, target_lang):
    """Translate code using the Hugging Face API."""
    prompt = (
        f"### Task: Convert {source_lang} code to {target_lang} code.\n\n"
        f"### {source_lang} Code:\n\n{code_snippet}\n\n"
        f"### {target_lang} Code:\n"
    )

    try:
        response = requests.post(API_URL, headers=HEADERS, json={"inputs": prompt})
        if response.status_code == 200:
            result = response.json()
            return result[0].get("generated_text", "⚠️ No translated code received.")
        else:
            return f"⚠️ API Error {response.status_code}: {response.text}"
    except requests.exceptions.RequestException as e:
        return f"⚠️ Network Error: {str(e)}"

# Example usage
if __name__ == "__main__":
    source_code = """
def add(a, b):
    return a + b
"""
    translated_code = translate_code(source_code, "Python", "Java")
    print("Translated Java Code:\n", translated_code)