import json
import openai

def process_text(user_input, model):
    response = openai.ChatCompletion.create(
        model = model,
        messages = [
            {"role": "user", "content": f"{user_input}"},
        ],
        stream = True,
        functions = [
            {
                "name": "<function_name>",
                "description": "<function_description>",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "<parameter_name>": {
                            "type": "string",
                            "description": "<parameter_description>"
                        }
                    },
                    "required": ["<parameter_name>"]
                }
            }
        ],
        function_call = {"name": "<function_name>"} # can be "auto" or "none"
    )

    responses = ''
    for chunk in response:
        if chunk["choices"][0]["delta"].get("function_call"):
            chunk = chunk["choices"][0]["delta"]
            processed_text = chunk["function_call"]["arguments"]
            responses += processed_text
            print(processed_text, end='', flush=True)

    processed_text = json.loads(responses)["<parameter_name>"]

    return processed_text