import json
import gradio as gr
from textblob import TextBlob

def sentiment_analysis(text: str) -> str:
    """Analyze the sentiment of the input text and return the polarity."""
    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)


# Create Gradio interface
demo = gr.Interface(
    fn=sentiment_analysis,
    inputs=gr.Textbox(lines=5, placeholder="Enter text to analyze sentiment..."),
    outputs=gr.Textbox(label="Sentiment Analysis Result"),
    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)