app.py

import streamlit as st
import webbrowser
from nltk.sentiment.vader import SentimentIntensityAnalyzer
import nltk
import time
import plotly.graph_objects as go

# Set page config at the very beginning
st.set_page_config(page_title="Theaimart - Sentiment Analysis", layout="wide", initial_sidebar_state="auto")

# Download necessary NLTK data
@st.cache_resource
def download_nltk_data():
    nltk.download('vader_lexicon', quiet=True)

download_nltk_data()
sid = SentimentIntensityAnalyzer()

def analyze_sentiment(sentence):
    if sentence:
        sentiment_scores = sid.polarity_scores(sentence)
        highest_score = max(sentiment_scores, key=sentiment_scores.get)
        sentiment_dict = {
            'neg': 'Negative 😔',
            'neu': 'Neutral 😐',
            'pos': 'Positive 😊',
            'compound': 'Mixed 🤔'
        }
        highest_sentiment = sentiment_dict[highest_score]
        
        return sentiment_scores, highest_sentiment
    return None, None

# Custom CSS to improve the app's appearance
st.markdown("""
    <style>
    .main {
        background-color: #f0f2f6;
    }
    .stButton>button {
        color: #ffffff;
        background-color: #4CAF50;
        border-radius: 5px;
        border: none;
        padding: 10px 24px;
        transition: all 0.3s ease-in-out;
    }
    .stButton>button:hover {
        background-color: #45a049;
        transform: translateY(-2px);
    }
    .stTextInput>div>div>input {
        border-radius: 5px;
    }
    .stTextArea textarea {
        border: 2px solid #4CAF50;
        border-radius: 5px;
    }
    .stTextArea textarea:focus {
        box-shadow: 0 0 5px #4CAF50;
    }
    div.row-widget.stButton {
        text-align: center;
    }
    </style>
    """, unsafe_allow_html=True)

# App title with animation
st.markdown(
    """
    <h1 style='text-align: center; color: #2E86C1; animation: fadeIn 1.5s;'>
        Sentiment Analysis Tool
    </h1>
    """,
    unsafe_allow_html=True
)

# Animated description
st.markdown(
    """
    <p style='text-align: center; font-size: 18px; animation: slideIn 1.5s;'>
        Analyze the sentiment of your text with our advanced AI-powered tool!
    </p>
    """,
    unsafe_allow_html=True
)

input_text = st.text_area("Enter text for sentiment analysis", height=150)

# Center the Analyze button
col1, col2, col3 = st.columns([1,1,1])
with col2:
    analyze_button = st.button("Analyze")

if analyze_button:
    with st.spinner("Analyzing sentiment..."):
        sentiment_scores, highest_sentiment = analyze_sentiment(input_text)
        
        if sentiment_scores:
            # Create a radar chart for sentiment scores
            categories = ['Negative', 'Neutral', 'Positive', 'Compound']
            values = [sentiment_scores['neg'], sentiment_scores['neu'], sentiment_scores['pos'], sentiment_scores['compound']]

            fig = go.Figure(data=go.Scatterpolar(
                r=values,
                theta=categories,
                fill='toself',
                line=dict(color='#2E86C1')
            ))

            fig.update_layout(
                polar=dict(
                    radialaxis=dict(visible=True, range=[0, 1])
                ),
                showlegend=False
            )

            st.plotly_chart(fig, use_container_width=True)

            st.markdown(f"<h2 style='text-align: center; color: #2E86C1;'>Overall Sentiment: {highest_sentiment}</h2>", unsafe_allow_html=True)

            # Display detailed scores
            col1, col2, col3, col4 = st.columns(4)
            col1.metric("Negative", f"{sentiment_scores['neg']:.2f}")
            col2.metric("Neutral", f"{sentiment_scores['neu']:.2f}")
            col3.metric("Positive", f"{sentiment_scores['pos']:.2f}")
            col4.metric("Compound", f"{sentiment_scores['compound']:.2f}")

    with st.spinner("Loading ad..."):
        time.sleep(3)  # Simulate a delay for loading
        webbrowser.open("https://www.highrevenuenetwork.com/dt90hpe6y?key=472b3a55761032431e75af65c838cef4")

# Footer
st.markdown(
    """
    <div style='text-align: center; padding: 20px; animation: fadeIn 2s;'>
        <p>Powered by Theaimart © 2024</p>
    </div>
    """,
    unsafe_allow_html=True
)