Updates

app.py

@@ -84,17 +84,6 @@ def generate_pdf_report():
 
     return pdf.output(dest='S').encode('latin1', 'replace')
 
-# Logging for debugging
-logging.info(f"Current Module: {st.session_state.current_module}")
-logging.info(f"Question Count: {st.session_state.question_count}")
-logging.info(f"Correct Count: {st.session_state.correct_count}")
-logging.info(f"Submitted: {st.session_state.submitted}")
-logging.info(f"Current Question: {st.session_state.current_question}")
-logging.info(f"Options: {st.session_state.options}")
-logging.info(f"Selected Answer: {st.session_state.selected_answer}")
-logging.info(f"Correct Answer: {st.session_state.correct_answer}")
-logging.info(f"Explanation: {st.session_state.explanation}")
-
 # Streamlit interface
 st.sidebar.title("Quiz Modules")
 module_name = st.sidebar.radio("Choose a module:", list(module_names.keys()), index=0)
@@ -107,7 +96,6 @@ if module_name:
         st.session_state.question_queue = []
         st.session_state.current_question = None
         st.session_state.submitted = False
-        logging.info("Module changed. Resetting session state.")
 
     module_file = module_names[module_name]
     try:
@@ -120,46 +108,35 @@ if module_name:
         st.title(title)
         st.write(description)
 
-        # Handle question generation and submission
-        if st.session_state.current_question is None or st.session_state.submitted:
-            st.session_state.current_question, st.session_state.options, st.session_state.correct_answer, st.session_state.explanation = generate_question()
-            st.session_state.submitted = False
-            st.session_state.selected_answer = None
-            logging.info("Generated new question.")
-
-        if st.session_state.question_count > 0:
-            correct_percentage = (st.session_state.correct_count / st.session_state.question_count) * 100
-            st.write(f"**Correct Answers:** {st.session_state.correct_count}/{st.session_state.question_count} ({correct_percentage:.2f}%)")
-
         # Button Row: Prev, Next, and PDF Download
         col1, col2, col3 = st.columns([1, 1, 2])
         with col1:
-            if st.session_state.question_count > 1:
-                if st.button("⬅️ Prev"):
-                    st.session_state.question_count -= 1
-                    st.session_state.submitted = False
-                    question_data = st.session_state.question_queue[st.session_state.question_count - 1]
-                    st.session_state.current_question = question_data['question']
-                    st.session_state.options = question_data['options']
-                    st.session_state.selected_answer = question_data['selected']
-                    st.session_state.correct_answer = question_data['correct']
-                    st.session_state.explanation = question_data['explanation']
-                    logging.info("Navigated to previous question.")
+            prev_disabled = st.session_state.question_count <= 1
+            st.button("⬅️ Prev", disabled=prev_disabled, key='prev_button', on_click=lambda: navigate_question("prev"))
         with col2:
-            if st.session_state.submitted:
-                if st.button("➡️ Next"):
-                    st.session_state.current_question = None
-                    logging.info("Navigated to next question.")
+            next_disabled = not st.session_state.submitted
+            st.button("➡️ Next", disabled=next_disabled, key='next_button', on_click=lambda: navigate_question("next"))
         with col3:
-            if st.session_state.question_count > 0:
+            pdf_disabled = st.session_state.question_count == 0
+            if not pdf_disabled:
                 pdf = generate_pdf_report()
                 st.download_button(
                     label="Download PDF Report 📄",
                     data=pdf,
                     file_name="quiz_report.pdf",
-                    mime="application/pdf"
+                    mime="application/pdf",
+                    disabled=pdf_disabled
                 )
-                logging.info("PDF report generated.")
+
+        # Handle question generation and submission
+        if st.session_state.current_question is None or st.session_state.submitted:
+            st.session_state.current_question, st.session_state.options, st.session_state.correct_answer, st.session_state.explanation = generate_question()
+            st.session_state.submitted = False
+            st.session_state.selected_answer = None
+
+        if st.session_state.question_count > 0:
+            correct_percentage = (st.session_state.correct_count / st.session_state.question_count) * 100
+            st.write(f"**Correct Answers:** {st.session_state.correct_count}/{st.session_state.question_count} ({correct_percentage:.2f}%)")
 
         st.write(f"**Question {st.session_state.question_count + 1}:** {st.session_state.current_question}")
         st.session_state.selected_answer = st.radio("Choose an answer:", st.session_state.options, key=st.session_state.question_count)
@@ -184,10 +161,6 @@ if module_name:
                 'explanation': st.session_state.explanation
             })
 
-            logging.info("Answer submitted.")
-            logging.info(f"Selected Answer: {st.session_state.selected_answer}")
-            logging.info(f"Correct Answer: {st.session_state.correct_answer}")
-
             # Explanation with proper width
             st.markdown(
                 f"""
@@ -200,7 +173,18 @@ if module_name:
 
     except ModuleNotFoundError as e:
         st.error(f"The module '{module_name}' was not found. Please select another module.")
-        logging.error(f"Error: {e}")
     except Exception as e:
         st.error(f"An unexpected error occurred: {str(e)}")
-        logging.error(f"Error: {str(e)}")
+
+def navigate_question(direction):
+    if direction == "prev" and st.session_state.question_count > 1:
+        st.session_state.question_count -= 1
+        st.session_state.submitted = False
+        question_data = st.session_state.question_queue[st.session_state.question_count - 1]
+        st.session_state.current_question = question_data['question']
+        st.session_state.options = question_data['options']
+        st.session_state.selected_answer = question_data['selected']
+        st.session_state.correct_answer = question_data['correct']
+        st.session_state.explanation = question_data['explanation']
+    elif direction == "next" and st.session_state.submitted:
+        st.session_state.current_question = None