Update app.py

app.py

@@ -342,32 +342,55 @@ with tab4:
 
 # Tab 5: Binary → String
 with tab5:
-    st.write("Upload a Binary Labels CSV (values 0 or 1 only):")
-    st.write("**Note:** Please upload CSV files **without column headers**.")
-    binary_file = st.file_uploader("Upload Binary CSV", type=["csv"], key="binary_csv")
+    st.header("Decode Binary Labels to String")
 
-    if binary_file:
-        binary_df = pd.read_csv(binary_file, header=None)
+    st.subheader("🔘 Option 1: 32-bit Binary per Row")
+    st.write("Upload CSV with 32 columns (0 or 1), no headers, from EF Binary format.")
+    binary32_file = st.file_uploader("Upload 32-bit Binary CSV", type=["csv"], key="binary_32")
 
-        # Format for reordered (4402→3244, 4882→4455)
-        binary_reordered = binary_df.iloc[:, :32].copy()
-        binary_reordered.columns = [str(h) for h in mutation_site_headers_3614 if str(h) in binary_reordered.columns]
+    if binary32_file:
+        df_32 = pd.read_csv(binary32_file, header=None)
+        if df_32.shape[1] != 32:
+            st.warning("⚠️ CSV must have exactly 32 columns.")
+        else:
+            # Reordered: 4402 → 3244, 4882 → 4455
+            df_32.columns = [str(h) for h in mutation_site_headers_3614]
+            all_bits = df_32.values.flatten().astype(int).tolist()
+            decoded_reordered = binary_labels_to_string(all_bits)
 
-        all_bits_reordered = binary_reordered.values.flatten().astype(int).tolist()
-        decoded_reordered = binary_labels_to_string(all_bits_reordered)
+            st.subheader("Decoded String (Reordered 4402→3244, 4882→4455)")
+            st.write(decoded_reordered)
+            st.download_button("Download Reordered CSV", df_32.to_csv(index=False), "decoded_binary_32_reordered.csv", key="download_csv_tab5_32_reordered")
 
-        st.subheader("Decoded String (Reordered 4402→3244, 4882→4455)")
-        st.write(decoded_reordered)
-        st.download_button("Download Reordered CSV", binary_reordered.to_csv(index=False), "binary_input_reordered.csv", key="download_csv_tab5_reordered")
+            # Ascending: 3244 → 4882
+            df_ascending = df_32[[str(h) for h in mutation_site_headers_actual_3614 if str(h) in df_32.columns]]
+            decoded_asc = binary_labels_to_string(df_ascending.values.flatten().astype(int).tolist())
 
-        # Format for ascending (3244→4882)
-        binary_ascending = binary_df.copy()
-        binary_ascending.columns = [str(h) for h in mutation_site_headers_actual_3614 if str(h) in binary_ascending.columns]
+            st.subheader("Decoded String (Ascending 3244→4882)")
+            st.write(decoded_asc)
+            st.download_button("Download Ascending CSV", df_ascending.to_csv(index=False), "decoded_binary_32_ascending.csv", key="download_csv_tab5_32_ascend")
 
-        all_bits_ascending = binary_ascending.values.flatten().astype(int).tolist()
-        decoded_ascending = binary_labels_to_string(all_bits_ascending)
+    st.markdown("---")
 
-        st.subheader("Decoded String (Ascending 3244→4882)")
-        st.write(decoded_ascending)
-        st.download_button("Download Ascending Order CSV", binary_ascending.to_csv(index=False), "binary_input_ascending.csv", key="download_csv_tab5_ascending")
+    st.subheader("🔘 Option 2: 31-bit Binary Grouped per Row")
+    st.write("Upload CSV with 31 columns per row (each row = one 6-bit ASCII chunk group).")
+    binary31_file = st.file_uploader("Upload 31-bit Group CSV", type=["csv"], key="binary_31")
+
+    if binary31_file:
+        df_31 = pd.read_csv(binary31_file, header=None)
+
+        def trim_row(row):
+            bits = row.dropna().astype(int).tolist()[:31]
+            return bits
+
+        decoded_rows = []
+        for _, row in df_31.iterrows():
+            bits = trim_row(row)
+            decoded_rows.append(binary_labels_to_string(bits))
+
+        st.subheader("Decoded String from 31-bit Chunks")
+        full_decoded = "".join(decoded_rows)
+        st.write(full_decoded)
+
+        st.download_button("Download Concatenated Output", full_decoded, "decoded_31bit_string.txt", key="download_csv_tab5_31")