Update pages/1_Home.py

pages/1_Home.py

@@ -1,23 +1,45 @@
+# /home/user/app/pages/1_Home.py
 import streamlit as st
 from config.settings import settings
+from pathlib import Path # For checking logo path existence
+from assets.logo import get_logo_path # Using the centralized logo getter
+from services.logger import app_logger
 
-st.set_page_config(page_title=f"Home - {settings.APP_TITLE}", layout="wide")
+# Page config should be set only once per app, usually in the main app.py.
+# If set here, it might override or conflict. Generally, avoid in sub-pages unless necessary
+# and ensure it's compatible with the main app.py's layout.
+# For consistency, let's assume app.py sets the global layout.
+# st.set_page_config(page_title=f"Home - {settings.APP_TITLE}", layout="wide")
 
-if not st.session_state.get("authenticated_user"):
+# --- Authentication Check ---
+if not st.session_state.get("authenticated_user_id"):
     st.warning("Please log in to access the application.")
+    # Redirect to the main app page (which handles login)
+    # Make sure 'app.py' is the correct name of your main script.
+    try:
+        st.switch_page("app.py")
+    except st.errors.StreamlitAPIException as e:
+        if "st.switch_page can only be called when running in MPA mode" in str(e):
+            app_logger.warning("Running in single-page mode or st.switch_page issue. Stopping script.")
+            st.info("Please navigate to the main login page.")
+        else:
+            app_logger.error(f"Error during st.switch_page: {e}")
+            st.error("Redirection error. Please go to the login page manually.")
     st.stop() # Stop script execution if not authenticated
 
 # --- Page Content ---
-st.title(f"Welcome to {settings.APP_TITLE}, {st.session_state.authenticated_user.username}!")
-st.markdown("""
-This application leverages cutting-edge AI and (simulated) quantum optimization techniques
-to provide insights for healthcare professionals.
+# Get username from session state
+authenticated_username = st.session_state.get("authenticated_username", "User") # Fallback to "User"
+
+st.title(f"Welcome to {settings.APP_TITLE}, {authenticated_username}!")
+st.markdown(f"""
+Welcome, **{authenticated_username}**!
+
+This application leverages cutting-edge AI to provide insights for healthcare professionals.
 
 **Features:**
 - **AI-Powered Consultation:** Engage in a conversation with an AI assistant capable of understanding medical queries,
-  looking up information from UMLS and BioPortal, and more.
-- **Quantum Treatment Optimizer:** (Simulated) Explore novel treatment strategies based on patient data,
-  current treatments, and diagnosed conditions.
+  looking up information, and more.
 - **Secure User Authentication:** Your data and interactions are protected.
 - **Reporting:** Generate PDF summaries of your consultations.
 
@@ -29,4 +51,18 @@ to provide insights for healthcare professionals.
 actual medical decision-making without verification by qualified medical professionals.*
 """)
 
-st.image("assets/logo.png", width=150, caption=settings.APP_TITLE)
+# Display Logo using the centralized get_logo_path
+logo_path_str = get_logo_path()
+if logo_path_str:
+    logo_file = Path(logo_path_str)
+    if logo_file.exists():
+        try:
+            st.image(str(logo_file), width=150, caption=settings.APP_TITLE)
+        except Exception as e:
+            app_logger.warning(f"Could not display logo on Home page from path '{logo_path_str}': {e}")
+    # else: # No need to log again if get_logo_path already logged it
+    #     app_logger.warning(f"Home page logo path from get_logo_path() does not exist: {logo_path_str}")
+elif settings.APP_TITLE: # Fallback to text if no logo
+    st.caption(f"Image: {settings.APP_TITLE} Logo")
+
+app_logger.info(f"User {authenticated_username} accessed Home page.")