Update app.py

app.py

@@ -20,15 +20,21 @@ sections = [
 if "section_index" not in st.session_state:
     st.session_state.section_index = 0
 
+# Sidebar for navigation
+with st.sidebar:
+    st.header("Navigation")
+    selected_section = st.radio("Select Section", sections, index=st.session_state.section_index, key="sidebar_nav")
+    st.session_state.section_index = sections.index(selected_section)
+
 def next_section():
     if st.session_state.section_index < len(sections) - 1:
         st.session_state.section_index += 1
+        st.rerun()
 
 def prev_section():
     if st.session_state.section_index > 0:
         st.session_state.section_index -= 1
-
-selected_section = sections[st.session_state.section_index]
+        st.rerun()
 
 # Sample questions per section
 questions_dict = {
@@ -90,10 +96,32 @@ for idx, q in enumerate(questions):
 # Convert responses to DataFrame
 df = pd.DataFrame(responses)
 
-
-# Submit button
-if st.button("Submit Questionnaire"):
-    send_email(df)
+# Email function
+def send_email(dataframe):
+    sender_email = "your_email@example.com"
+    sender_password = "your_password"
+    recipient_email = "recipient@example.com"
+    subject = "AI Maturity Model Responses"
+    body = dataframe.to_string(index=False)
+    
+    msg = MIMEText(body)
+    msg['Subject'] = subject
+    msg['From'] = sender_email
+    msg['To'] = recipient_email
+    
+    try:
+        with smtplib.SMTP("smtp.example.com", 587) as server:
+            server.starttls()
+            server.login(sender_email, sender_password)
+            server.sendmail(sender_email, recipient_email, msg.as_string())
+        st.success("Responses submitted successfully!")
+    except Exception as e:
+        st.error(f"Error sending responses: {e}")
+
+# Show submit button only on last section
+if selected_section == "Data & Technology":
+    if st.button("Submit Questionnaire"):
+        send_email(df)
 
 # Navigation Buttons
 col1, col2 = st.columns([1, 1])
@@ -103,5 +131,3 @@ with col1:
 with col2:
     if st.button("Next Section"):
         next_section()
-
-st.rerun()