import json
import gradio as gr
from textblob import TextBlob

def sentiment_analysis(text: str) -> str:
    """
    Analyze the sentiment of the given text

    Args:
        text (str): The input text to analyze.

    Returns:
        str: A JSON string containing polarity, subjectivity and assesment
    """
    blob = TextBlob(text)
    sentiment = blob.sentiment

    result = {
        "polarity": round(sentiment.polarity, 2),
        "subjectivity": round(sentiment.subjectivity, 2),
        "assessment": "Positive" if sentiment.polarity > 0 else "Negative" if sentiment.polarity < 0 else "Neutral"
    }

    return json.dumps(result)

demo = gr.Interface(
    fn=sentiment_analysis,
    inputs=gr.Textbox(placeholder="Enter text to analyze..."),
    outputs=gr.Textbox(),
    title="Text Sentiment Analysis",
    description="This app analyzes the sentiment of the input text and returns the polarity, subjectivity, and overall assessment (Positive, Negative, or Neutral)."
)

if __name__ == "__main__":
    demo.launch(mcp_server=True)