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###
# - Author: Jaelin Lee, Abhishek Dutta
# - Date: Mar 23, 2024
# - Description: Streamlit UI for mental health support chatbot using sentiment analsys, RL, BM25/ChromaDB, and LLM.
# - Note:
# - Updated to UI to show predicted mental health condition in behind the scence regardless of the ositive/negative sentiment
###
from dotenv import load_dotenv, find_dotenv
import pandas as pd
import streamlit as st
from q_learning_chatbot import QLearningChatbot
from xgb_mental_health import MentalHealthClassifier
from bm25_retreive_question import QuestionRetriever as QuestionRetriever_bm25
from Chromadb_storage_JyotiNigam import QuestionRetriever as QuestionRetriever_chromaDB
from llm_response_generator import LLLResponseGenerator
import os
from llama_guard import moderate_chat
# Streamlit UI
st.title("MindfulMedia Mentor")
# Define states and actions
states = [
"Negative",
"Moderately Negative",
"Neutral",
"Moderately Positive",
"Positive",
]
actions = ["encouragement", "empathy", "spiritual"]
# Initialize Q-learning chatbot and mental health classifier
chatbot = QLearningChatbot(states, actions)
# Initialize MentalHealthClassifier
# data_path = "/Users/jaelinlee/Documents/projects/fomo/input/data.csv"
data_path = os.path.join("data", "data.csv")
print(data_path)
tokenizer_model_name = "nlptown/bert-base-multilingual-uncased-sentiment"
mental_classifier_model_path = "mental_health_model.pkl"
mental_classifier = MentalHealthClassifier(data_path, mental_classifier_model_path)
# Function to display Q-table
def display_q_table(q_values, states, actions):
q_table_dict = {"State": states}
for i, action in enumerate(actions):
q_table_dict[action] = q_values[:, i]
q_table_df = pd.DataFrame(q_table_dict)
return q_table_df
# Initialize memory
if "entered_text" not in st.session_state:
st.session_state.entered_text = []
if "entered_mood" not in st.session_state:
st.session_state.entered_mood = []
if "messages" not in st.session_state:
st.session_state.messages = []
if "user_sentiment" not in st.session_state:
st.session_state.user_sentiment = "Neutral"
if "mood_trend" not in st.session_state:
st.session_state.mood_trend = "Unchanged"
if "predicted_mental_category" not in st.session_state:
st.session_state.predicted_mental_category = ""
if "ai_tone" not in st.session_state:
st.session_state.ai_tone = "Empathy"
if "mood_trend_symbol" not in st.session_state:
st.session_state.mood_trend_symbol = ""
if "show_question" not in st.session_state:
st.session_state.show_question = False
if "asked_questions" not in st.session_state:
st.session_state.asked_questions = []
# Check if 'llama_guard_enabled' is already in session state, otherwise initialize it
if "llama_guard_enabled" not in st.session_state:
st.session_state["llama_guard_enabled"] = False # Default value to False
# Select Question Retriever
selected_retriever_option = st.sidebar.selectbox(
"Choose Question Retriever", ("BM25", "ChromaDB")
)
if selected_retriever_option == "BM25":
retriever = QuestionRetriever_bm25()
if selected_retriever_option == "ChromaDB":
retriever = QuestionRetriever_chromaDB()
for message in st.session_state.messages:
with st.chat_message(message.get("role")):
st.write(message.get("content"))
section_visible = True
# Collect user input
user_message = st.chat_input("Type your message here:")
# Modify the checkbox call to include a unique key parameter
llama_guard_enabled = st.sidebar.checkbox(
"Enable LlamaGuard",
value=st.session_state["llama_guard_enabled"],
key="llama_guard_toggle",
)
# Update the session state based on the checkbox interaction
st.session_state["llama_guard_enabled"] = llama_guard_enabled
# Take user input
if user_message:
st.session_state.entered_text.append(user_message)
st.session_state.messages.append({"role": "user", "content": user_message})
with st.chat_message("user"):
st.write(user_message)
is_safe = True
if st.session_state["llama_guard_enabled"]:
chat = [
{"role": "user", "content": user_message},
{"role": "assistant", "content": ""},
]
guard_status = moderate_chat(chat)
if "unsafe" in guard_status[0]["generated_text"]:
is_safe = False
print("Guard status", guard_status)
if is_safe == False:
response = "Due to eithical and safety reasons, I can't provide the help you need. Please reach out to someone who can, like a family member, friend, or therapist. In urgent situations, contact emergency services or a crisis hotline. Remember, asking for help is brave, and you're not alone."
st.session_state.messages.append({"role": "ai", "content": response})
with st.chat_message("ai"):
st.markdown(response)
else:
# Detect mental condition
with st.spinner("Processing..."):
mental_classifier.initialize_tokenizer(tokenizer_model_name)
mental_classifier.preprocess_data()
predicted_mental_category = mental_classifier.predict_category(user_message)
print("Predicted mental health condition:", predicted_mental_category)
# Detect sentiment
user_sentiment = chatbot.detect_sentiment(user_message)
# Retrieve question
if user_sentiment in ["Negative", "Moderately Negative", "Neutral"]:
question = retriever.get_response(
user_message, predicted_mental_category
)
show_question = True
else:
show_question = False
question = ""
# predicted_mental_category = ""
# Update mood history / mood_trend
chatbot.update_mood_history()
mood_trend = chatbot.check_mood_trend()
# Define rewards
if user_sentiment in ["Positive", "Moderately Positive"]:
if mood_trend == "increased":
reward = +1
mood_trend_symbol = " ⬆️"
elif mood_trend == "unchanged":
reward = +0.8
mood_trend_symbol = ""
else: # decreased
reward = -0.2
mood_trend_symbol = " ⬇️"
else:
if mood_trend == "increased":
reward = +1
mood_trend_symbol = " ⬆️"
elif mood_trend == "unchanged":
reward = -0.2
mood_trend_symbol = ""
else: # decreased
reward = -1
mood_trend_symbol = " ⬇️"
print(
f"mood_trend - sentiment - reward: {mood_trend} - {user_sentiment} - 🛑{reward}🛑"
)
# Update Q-values
chatbot.update_q_values(
user_sentiment, chatbot.actions[0], reward, user_sentiment
)
# Get recommended action based on the updated Q-values
ai_tone = chatbot.get_action(user_sentiment)
print(ai_tone)
print(st.session_state.messages)
# LLM Response Generator
load_dotenv(find_dotenv())
llm_model = LLLResponseGenerator()
temperature = 0.5
max_length = 128
# Collect all messages exchanged so far into a single text string
all_messages = "\n".join(
[message.get("content") for message in st.session_state.messages]
)
# Question asked to the user: {question}
template = """INSTRUCTIONS: {context}
Respond to the user with a tone of {ai_tone}.
Response by the user: {user_text}
Response;
"""
context = f"You are a mental health supporting non-medical assistant. Provide some advice and ask a relevant question back to the user. {all_messages}"
llm_response = llm_model.llm_inference(
model_type="huggingface",
question=question,
prompt_template=template,
context=context,
ai_tone=ai_tone,
questionnaire=predicted_mental_category,
user_text=user_message,
temperature=temperature,
max_length=max_length,
)
if show_question:
llm_reponse_with_quesiton = f"{llm_response}\n\n{question}"
else:
llm_reponse_with_quesiton = llm_response
# Append the user and AI responses to the chat history
st.session_state.messages.append(
{"role": "ai", "content": llm_reponse_with_quesiton}
)
with st.chat_message("ai"):
st.markdown(llm_reponse_with_quesiton)
# st.write(f"{llm_response}")
# if show_question:
# st.write(f"{question}")
# else:
# user doesn't feel negative.
# get question to ecourage even more positive behaviour
# Update data to memory
st.session_state.user_sentiment = user_sentiment
st.session_state.mood_trend = mood_trend
st.session_state.predicted_mental_category = predicted_mental_category
st.session_state.ai_tone = ai_tone
st.session_state.mood_trend_symbol = mood_trend_symbol
st.session_state.show_question = show_question
# Show/hide "Behind the Scene" section
# section_visible = st.sidebar.button('Show/Hide Behind the Scene')
with st.sidebar.expander("Behind the Scene", expanded=section_visible):
st.subheader("What AI is doing:")
# Use the values stored in session state
st.write(
f"- Detected User Tone: {st.session_state.user_sentiment} ({st.session_state.mood_trend.capitalize()}{st.session_state.mood_trend_symbol})"
)
# if st.session_state.show_question:
st.write(
f"- Possible Mental Condition: {st.session_state.predicted_mental_category.capitalize()}"
)
st.write(f"- AI Tone: {st.session_state.ai_tone.capitalize()}")
st.write(f"- Question retrieved from: {selected_retriever_option}")
st.write(
f"- If the user feels negative, moderately negative, or neutral, at the end of the AI response, it adds a mental health condition related question. The question is retrieved from DB. The categories of questions are limited to Depression, Anxiety, ADHD, Social Media Addiction, Social Isolation, and Cyberbullying which are most associated with FOMO related to excessive social media usage."
)
st.write(
f"- Below q-table is continuously updated after each interaction with the user. If the user's mood increases, AI gets a reward. Else, AI gets a punishment."
)
# Display Q-table
st.dataframe(display_q_table(chatbot.q_values, states, actions))
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