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 text to analyze

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

    result = {
        'polarity': round(sentiment.polarity, 2),  # -1 (negative) to 1 (positive)
        'subjectivity': round(sentiment.subjectivity, 2),  # 0 (objective) to 1 (subjective)
        '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="Analyze the sentiment of text using TextBlob"
)
# Launch the interface and MCP server
if __name__ == "__main__":
    demo.launch(mcp_server=True)