app.py

import os
import gradio as gr
import nltk
import numpy as np
import tensorflow as tf
import tflearn
import random
import json
import pickle
from nltk.tokenize import word_tokenize
from nltk.stem.lancaster import LancasterStemmer
from transformers import AutoTokenizer, AutoModelForSequenceClassification, pipeline
import googlemaps
import folium
import torch

# Disable GPU usage for TensorFlow
os.environ['CUDA_VISIBLE_DEVICES'] = '-1'

# Suppress warnings related to missing CUDA libraries
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'

# Ensure necessary NLTK resources are downloaded
nltk.download('punkt')

# Initialize the stemmer
stemmer = LancasterStemmer()

# Load intents.json for Well-Being Chatbot
with open("intents.json") as file:
    data = json.load(file)

# Load preprocessed data for Well-Being Chatbot
with open("data.pickle", "rb") as f:
    words, labels, training, output = pickle.load(f)

# Build the model structure for Well-Being Chatbot
net = tflearn.input_data(shape=[None, len(training[0])], dtype=tf.float32)  # Fix for dtype
net = tflearn.fully_connected(net, 8)
net = tflearn.fully_connected(net, 8)
net = tflearn.fully_connected(net, len(output[0]), activation="softmax")
net = tflearn.regression(net)

# Load the trained model
model = tflearn.DNN(net)
model.load("MentalHealthChatBotmodel.tflearn")

# Function to process user input into a bag-of-words format for Chatbot
def bag_of_words(s, words):
    bag = [0 for _ in range(len(words))]
    s_words = word_tokenize(s)
    s_words = [stemmer.stem(word.lower()) for word in s_words if word.lower() in words]
    for se in s_words:
        for i, w in enumerate(words):
            if w == se:
                bag[i] = 1
    return np.array(bag)

# Chat function for Well-Being Chatbot
def chatbot(message, history):
    history = history or []
    message = message.lower()
    try:
        # Predict the tag
        results = model.predict([bag_of_words(message, words)])
        results_index = np.argmax(results)
        tag = labels[results_index]

        # Match tag with intent and choose a random response
        for tg in data["intents"]:
            if tg['tag'] == tag:
                responses = tg['responses']
                response = random.choice(responses)
                break
        else:
            response = "I'm sorry, I didn't understand that. Could you please rephrase?"
    except Exception as e:
        response = f"An error occurred: {str(e)}"
    
    # Convert the new message and response to the 'messages' format
    history.append({"role": "user", "content": message})
    history.append({"role": "assistant", "content": response})
    
    return history, history

# Sentiment Analysis using Hugging Face model
tokenizer_sentiment = AutoTokenizer.from_pretrained("cardiffnlp/twitter-roberta-base-sentiment")
model_sentiment = AutoModelForSequenceClassification.from_pretrained("cardiffnlp/twitter-roberta-base-sentiment")

def analyze_sentiment(user_input):
    inputs = tokenizer_sentiment(user_input, return_tensors="pt")
    with torch.no_grad():
        outputs = model_sentiment(**inputs)
    predicted_class = torch.argmax(outputs.logits, dim=1).item()
    sentiment = ["Negative", "Neutral", "Positive"][predicted_class]  # Assuming 3 classes
    return f"Predicted Sentiment: {sentiment}"

# Emotion Detection using Hugging Face model
tokenizer_emotion = AutoTokenizer.from_pretrained("j-hartmann/emotion-english-distilroberta-base")
model_emotion = AutoModelForSequenceClassification.from_pretrained("j-hartmann/emotion-english-distilroberta-base")

def detect_emotion(user_input):
    pipe = pipeline("text-classification", model=model_emotion, tokenizer=tokenizer_emotion)
    result = pipe(user_input)
    emotion = result[0]['label']
    return f"Emotion Detected: {emotion}"

# Initialize Google Maps API client securely
gmaps = googlemaps.Client(key=os.getenv('GOOGLE_API_KEY'))

# Function to search for health professionals
def search_health_professionals(query, location, radius=10000):
    places_result = gmaps.places_nearby(location, radius=radius, type='doctor', keyword=query)
    return places_result.get('results', [])

# Function to get directions and display on Gradio UI
def get_health_professionals_and_map(current_location, health_professional_query):
    location = gmaps.geocode(current_location)
    if location:
        lat = location[0]["geometry"]["location"]["lat"]
        lng = location[0]["geometry"]["location"]["lng"]
        location = (lat, lng)
        
        professionals = search_health_professionals(health_professional_query, location)
        
        # Generate map
        map_center = location
        m = folium.Map(location=map_center, zoom_start=13)
        
        # Add markers to the map
        for place in professionals:
            folium.Marker(
                location=[place['geometry']['location']['lat'], place['geometry']['location']['lng']],
                popup=place['name']
            ).add_to(m)
        
        # Convert map to HTML for Gradio display
        map_html = m._repr_html_()
        
        # Route information
        route_info = "\n".join([f"{place['name']} - {place['vicinity']}" for place in professionals])
        
        return route_info, map_html
    else:
        return "Unable to find location.", ""

# Function to generate suggestions based on the detected emotion
def generate_suggestions(emotion):
    suggestions = {
        'joy': [
            {"Title": "Relaxation Techniques 🌿", "Subject": "Relaxation", "Link": '<a href="https://www.helpguide.org/mental-health/meditation/mindful-breathing-meditation" target="_blank">Mindful Breathing Meditation</a>'},
            {"Title": "Dealing with Stress 💆", "Subject": "Stress Management", "Link": '<a href="https://www.helpguide.org/mental-health/anxiety/tips-for-dealing-with-anxiety" target="_blank">Tips for Dealing with Anxiety</a>'},
            {"Title": "Emotional Wellness Toolkit 💪", "Subject": "Wellness", "Link": '<a href="https://www.nih.gov/health-information/emotional-wellness-toolkit" target="_blank">Emotional Wellness Toolkit</a>'},
            {"Title": "Relaxation Video 🎥", "Subject": "Video", "Link": '<a href="https://youtu.be/m1vaUGtyo-A" target="_blank">Watch Video</a>'}
        ],
        'anger': [
            {"Title": "Emotional Wellness Toolkit 💡", "Subject": "Wellness", "Link": '<a href="https://www.nih.gov/health-information/emotional-wellness-toolkit" target="_blank">Emotional Wellness Toolkit</a>'},
            {"Title": "Managing Anger 🌿", "Subject": "Anger Management", "Link": '<a href="https://www.helpguide.org/mental-health/anger-management.htm" target="_blank">HelpGuide on Anger Management</a>'},
            {"Title": "Relaxation Techniques 💆", "Subject": "Relaxation", "Link": '<a href="https://www.helpguide.org/mental-health/meditation/mindful-breathing-meditation" target="_blank">Mindful Breathing Meditation</a>'},
            {"Title": "Dealing with Stress 💡", "Subject": "Stress Management", "Link": '<a href="https://www.helpguide.org/mental-health/anxiety/tips-for-dealing-with-anxiety" target="_blank">Tips for Dealing with Anxiety</a>'}
        ],
        'sadness': [
            {"Title": "Overcoming Sadness 🌈", "Subject": "Well-being", "Link": '<a href="https://www.helpguide.org/mental-health/depression.htm" target="_blank">Overcoming Sadness</a>'},
            {"Title": "Building Self-Esteem 💪", "Subject": "Confidence", "Link": '<a href="https://www.helpguide.org/mental-health/self-confidence.htm" target="_blank">Self-Confidence Guide</a>'},
            {"Title": "Breathing Exercises 🧘‍♀️", "Subject": "Breathing", "Link": '<a href="https://www.helpguide.org/mental-health/meditation/mindful-breathing-meditation" target="_blank">Mindful Breathing Meditation</a>'},
            {"Title": "Relaxation Tips 🌿", "Subject": "Relaxation", "Link": '<a href="https://www.helpguide.org/mental-health/stress-relief.htm" target="_blank">Stress Relief Tips</a>'}
        ]
    }
    
    # Return suggestions based on emotion
    return suggestions.get(emotion.lower(), [])

# Gradio Interface
with gr.Blocks() as demo:
    with gr.Row():
        with gr.Column():
            message_input = gr.Textbox(label="Your Message", placeholder="Type a message here...", lines=4)
            location_input = gr.Textbox(label="Your Location", placeholder="Enter your location (e.g., Pune, India)...", lines=2)
            health_query_input = gr.Textbox(label="Health Professional Search", placeholder="Type a health professional type (e.g., therapist, doctor)...", lines=1)
            history_output = gr.Chatbot(label="Chat History").style(height=500)
            sentiment_output = gr.Textbox(label="Sentiment Analysis")
            emotion_output = gr.Textbox(label="Emotion Detection")
            suggestions_output = gr.Dataframe(label="Suggestions", headers=["Title", "Subject", "Link"], interactive=True)
            map_output = gr.HTML(label="Map")
            route_info_output = gr.Textbox(label="Nearby Health Professionals Info")
    
    message_input.submit(chatbot, [message_input, history_output], [history_output, history_output])
    message_input.submit(analyze_sentiment, message_input, sentiment_output)
    message_input.submit(detect_emotion, message_input, emotion_output)
    message_input.submit(generate_suggestions, emotion_output, suggestions_output)
    location_input.submit(get_health_professionals_and_map, [location_input, health_query_input], [route_info_output, map_output])

demo.launch()