from transformers import pipeline

# Load the Hugging Face pipeline
def load_model(task="summarization", framework="pt"):
    """
    Load the specified task model using Hugging Face's pipeline.
    Default is PyTorch ('pt') as the framework.
    """
    model = pipeline(task=task, model="facebook/bart-large-cnn", framework=framework)
    return model

# Summarization function
def summarize_text(model, text):
    """
    Summarize the provided legal text.
    """
    if not text.strip():
        return "Please provide input text."
    result = model(text, max_length=150, min_length=40, do_sample=False)
    return result[0]['summary_text']

# Question Answering function
def answer_question(model, question, context):
    """
    Answer a question based on the provided legal context.
    """
    if not context.strip() or not question.strip():
        return "Please provide both a context and a question."
    result = model(question=question, context=context)
    return result['answer']