Update app.py

app.py

@@ -1,14 +1,86 @@
 import streamlit as st
 import pandas as pd
+from itertools import combinations
+from copy import deepcopy
+import io
 
-st.title("✅ openpyxl Test")
+st.set_page_config(page_title="🏏 250 Captain–Vice-Captain Generator", layout="wide")
+st.title("🏏 Generate All 250 Captain–Vice-Captain Combinations")
 
-uploaded_file = st.file_uploader("Upload an Excel file", type="xlsx")
+# File upload
+uploaded_file = st.file_uploader("📤 Upload Excel File (.xlsx)", type=["xlsx"])
 
 if uploaded_file is not None:
     try:
-        df = pd.read_excel(uploaded_file)
-        st.write("✅ File loaded successfully!")
+        # Read Excel using openpyxl
+        df = pd.read_excel(uploaded_file, engine="openpyxl")
+
+        st.subheader("📄 Uploaded Excel Preview")
         st.dataframe(df)
+
+        # Extract team names from first two columns
+        team_a_names = df.iloc[:, 0].dropna().tolist()
+        team_b_names = df.iloc[:, 1].dropna().tolist()
+
+        team_a = [{"name": str(name).strip()} for name in team_a_names]
+        team_b = [{"name": str(name).strip()} for name in team_b_names]
+
+        # Show teams
+        st.write("🔵 **Team A:**", team_a_names)
+        st.write("🟢 **Team B:**", team_b_names)
+
+        # Create 25 teams (swap 1 member between A & B)
+        all_teams = []
+        for i in range(5):
+            for j in range(5):
+                new_team = deepcopy(team_a)
+                new_team[i] = deepcopy(team_b[j])
+                all_teams.append({
+                    "Team Name": f"Team {len(all_teams) + 1}",
+                    "Players": new_team
+                })
+
+        # Create 250 unique (Captain, Vice-Captain) teams
+        full_team_list = []
+        team_output_counter = 1
+
+        for team in all_teams:
+            player_list = team["Players"]
+            team_name = team["Team Name"]
+            cvc_combos = list(combinations(player_list, 2))
+
+            for cap, vc in cvc_combos:
+                if cap['name'] != vc['name']:
+                    team_rows = []
+                    for member in player_list:
+                        role = "Member"
+                        if member['name'] == cap['name']:
+                            role = "Captain"
+                        elif member['name'] == vc['name']:
+                            role = "Vice-Captain"
+                        team_rows.append({
+                            "Team": f"{team_name} ({team_output_counter})",
+                            "Player": member['name'],
+                            "Role": role
+                        })
+                    full_team_list.extend(team_rows)
+                    team_output_counter += 1
+
+        final_df = pd.DataFrame(full_team_list)
+
+        st.subheader("📋 All 250 Captain–Vice-Captain Combinations")
+        st.dataframe(final_df, use_container_width=True)
+
+        # Download CSV
+        csv = final_df.to_csv(index=False).encode("utf-8")
+        st.download_button(
+            label="📥 Download CSV",
+            data=csv,
+            file_name="250_captain_vc_teams.csv",
+            mime="text/csv"
+        )
+
+        st.success(f"✅ Generated {team_output_counter - 1} Unique Captain–VC Teams")
+
     except Exception as e:
         st.error(f"❌ Error: {e}")