Added compare mode multi file uploader

app.py

@@ -118,37 +118,56 @@ def single_main(uploaded_file):
             st.write("### No scenarios with status 'failed' found.")  
     pass
 
-def main():
 
+
+def main():
     add_app_description()
 
-   # Initially we are in multi file processing mode
     if "mode" not in st.session_state:
         st.session_state["mode"] = "multi"
 
-    # Add a dropdown for mode selection
     selected_mode = st.sidebar.selectbox("Select Mode", ["Multi", "Compare", "Weekly", "Multi-Env Compare"])
 
-    # Update the mode based on the selection
     st.session_state["mode"] = selected_mode.lower()
 
-    # Display the selected mode
     mode_display = f'## Current mode: {st.session_state["mode"].title()} mode'
     st.sidebar.markdown(mode_display)
 
-    # Only show the second file uploader in compare mode
     if st.session_state["mode"] == "multi":
         multiple_main()
     elif st.session_state["mode"] == "compare":
-        uploaded_file_1 = st.sidebar.file_uploader("Upload CSV file 1", type="csv")
-        uploaded_file_2 = st.sidebar.file_uploader("Upload CSV file 2", type="csv")
-        if uploaded_file_1 is not None and uploaded_file_2 is not None:
-            double_main(uploaded_file_1, uploaded_file_2)
+        st.sidebar.markdown("### Upload CSV Files for Comparison")
+        upload_option = st.sidebar.radio("Upload method", ["Single uploader", "Two separate uploaders"])
+        
+        if upload_option == "Single uploader":
+            uploaded_files = st.sidebar.file_uploader("Upload CSV files for comparison", type="csv", accept_multiple_files=True)
+            if uploaded_files:
+                if len(uploaded_files) < 2:
+                    st.warning("Please upload at least two CSV files for comparison.")
+                elif len(uploaded_files) > 2:
+                    st.warning("More than two files uploaded. Only the first two will be used for comparison.")
+                else:
+                    with st.spinner('Processing...'):
+                        double_main(uploaded_files[0], uploaded_files[1])
+                    st.success('Comparison Complete!')
+        else:
+            col1, col2 = st.sidebar.columns(2)
+            with col1:
+                uploaded_file1 = st.file_uploader("Upload older CSV file", type="csv", key="file1")
+            with col2:
+                uploaded_file2 = st.file_uploader("Upload newer CSV file", type="csv", key="file2")
+            
+            if uploaded_file1 is not None and uploaded_file2 is not None:
+                with st.spinner('Processing...'):
+                    double_main(uploaded_file1, uploaded_file2)
+                st.success('Comparison Complete!')
+            elif uploaded_file1 is not None or uploaded_file2 is not None:
+                st.warning("Please upload both CSV files for comparison.")
     elif st.session_state["mode"] == "weekly":
         uploaded_files = st.sidebar.file_uploader("Upload CSV files for Weekly Report", type="csv", accept_multiple_files=True)
         if uploaded_files:
             generate_weekly_report(uploaded_files)
-    elif st.session_state["mode"] == "multi-env compare":  # Add new mode
+    elif st.session_state["mode"] == "multi-env compare":
         multi_env_compare_main()
 
 if __name__ == "__main__":