Implemented name count update in player selection

lib/presentation/widgets/player_selection.dart

@@ -285,7 +285,8 @@ class _PlayerSelectionState extends State<PlayerSelection> {
     final loc = AppLocalizations.of(context);
     final playerName = _searchBarController.text.trim();
 
-    final createdPlayer = Player(name: playerName, description: '');
+    int nameCount = _calculateNameCount(playerName);
+    final createdPlayer = Player(name: playerName, nameCount: nameCount);
     final success = await db.playerDao.addPlayer(player: createdPlayer);
 
     if (!context.mounted) return;
@@ -298,6 +299,22 @@ class _PlayerSelectionState extends State<PlayerSelection> {
     }
   }
 
+  int _calculateNameCount(String playerName) {
+    final playersWithSameName =
+        allPlayers.where((player) => player.name == playerName).toList()
+          ..sort((a, b) => a.nameCount.compareTo(b.nameCount));
+
+    if (playersWithSameName.isEmpty) {
+      return 0;
+    } else if (playersWithSameName.length == 1) {
+      // Initialize nameCount
+      playersWithSameName[0].nameCount = 1;
+    }
+
+    // Return following count
+    return playersWithSameName.length + 1;
+  }
+
   /// Updates the state after successfully adding a new player.
   void _handleSuccessfulPlayerCreation(Player player) {
     selectedPlayers.insert(0, player);