Update app.py

app.py

@@ -3,32 +3,56 @@ from chatbot.conversation import chat_bot
 from chatbot.database import get_chat_history, save_chat
 
 
-# Ask the user for a user ID
-if "user_id" not in st.session_state:
-    st.session_state.user_id = st.text_input("Enter your User ID:", key="user_id_input")
+# Generate or retrieve session ID
+from config import generate_session_id
 
-if st.session_state.user_id:
-    st.title("DataScience-AI-Mentor")
-    st.write("Your AI-powered Data Science Tutor. Ask me anything related to Data Science!")
+if "session_id" not in st.session_state:
+    st.session_state.session_id = generate_session_id()
 
-    # Display chat history
-    history = get_chat_history(st.session_state.user_id)
-    for user_msg, bot_resp in history:
-        with st.chat_message("user"):
-            st.write(user_msg)
-        with st.chat_message("assistant"):
-            st.write(bot_resp)
+st.title("DataScience-AI-Mentor")
+st.write("Your AI-powered Data Science Tutor. Ask me anything related to Data Science!")
 
-    # User input
-    user_input = st.chat_input("Type your message...")
-    if user_input:
-        response = chat_bot(user_input)  # Get bot response
+st.markdown("""
+### **How It Works**
+1. **Start a Conversation**
+   - Type any **data science-related** question in the chat box.
+   - Example: *"What is machine learning?"* or *"How do I use Pandas for data analysis?"*
+2. **Receive an AI-Powered Response**
+   - The chatbot will **analyze your question** and provide a clear, step-by-step explanation.
+3. **Memory-Based Learning**
+   - The chatbot **remembers past interactions** within the same session for **context-aware discussions**.
+4. **Chat History**
+   - You can review your past questions and answers in the chat window.
+### **Who Can Use It?**
+- **Students & Beginners** → Learn the basics of data science interactively.
+- **Aspiring Data Scientists** → Get help with coding, algorithms, and real-world applications.
+- **Professionals & Researchers** → Ask about advanced techniques and best practices.
+- **Anyone Curious About Data Science** → Explore AI, Machine Learning, SQL, Python, and more!
+### **Why Use DataScience-AI-Mentor?**
+✅ **User-Friendly Interface** – Just start chatting!  
+✅ **Step-by-Step Explanations** – Learn in a structured way.  
+✅ **Memory for Better Conversations** – Get answers based on previous messages.  
+✅ **Saves Chat History** – Review past queries anytime.  
+""")
 
-        # Display messages in chat
-        with st.chat_message("user"):
-            st.write(user_input)
-        with st.chat_message("assistant"):
-            st.write(response)  # Do not include user_id
+# Display chat history
+history = get_chat_history(st.session_state.session_id)
+for user_msg, bot_resp in history:
+    with st.chat_message("user"):
+        st.write(user_msg)
+    with st.chat_message("assistant"):
+        st.write(bot_resp)
 
-        # Save chat history
-        save_chat(st.session_state.user_id, user_input, response)
+# User input
+user_input = st.chat_input("Type your message...")
+if user_input:
+    response, session_id = chat_bot(user_input, st.session_state.session_id)
+    
+    # Display messages in chat
+    with st.chat_message("user"):
+        st.write(user_input)
+    with st.chat_message("assistant"):
+        st.write(response)
+    
+    # Save chat history
+    save_chat(session_id, user_input, response)