Updated score and winner handling

lib/presentation/views/main_menu/group_view/group_detail_view.dart

@@ -36,6 +36,7 @@ class GroupDetailView extends StatefulWidget {
 }
 
 class _GroupDetailViewState extends State<GroupDetailView> {
+  late final AppLocalizations loc;
   late final AppDatabase db;
   bool isLoading = true;
   late Group _group;
@@ -51,13 +52,12 @@ class _GroupDetailViewState extends State<GroupDetailView> {
     super.initState();
     _group = widget.group;
     db = Provider.of<AppDatabase>(context, listen: false);
+    loc = AppLocalizations.of(context);
     _loadStatistics();
   }
 
   @override
   Widget build(BuildContext context) {
-    final loc = AppLocalizations.of(context);
-
     return Scaffold(
       backgroundColor: CustomTheme.backgroundColor,
       appBar: AppBar(
@@ -259,28 +259,36 @@ class _GroupDetailViewState extends State<GroupDetailView> {
 
   /// Determines the best player in the group based on match wins
   String _getBestPlayer(List<Match> matches) {
-    final bestPlayerCounts = <Player, int>{};
+    final mvpCounts = <Player, int>{};
 
-    // Count wins for each player
     for (var match in matches) {
-      if (match.winner != null &&
-          _group.members.any((m) => m.id == match.winner?.id)) {
-        print(match.winner);
-        bestPlayerCounts.update(
-          match.winner!,
-          (value) => value + 1,
-          ifAbsent: () => 1,
-        );
+      final mvps = match.mvp;
+      for (final mvpPlayer in mvps) {
+        if (_group.members.any((m) => m.id == mvpPlayer.id)) {
+          mvpCounts.update(mvpPlayer, (value) => value + 1, ifAbsent: () => 1);
+        }
       }
     }
 
-    // Sort players by win count
-    final sortedPlayers = bestPlayerCounts.entries.toList()
+    final sortedMvps = mvpCounts.entries.toList()
       ..sort((a, b) => b.value.compareTo(a.value));
 
-    // Get the best player
-    bestPlayer = sortedPlayers.isNotEmpty ? sortedPlayers.first.key.name : '-';
+    if (sortedMvps.isEmpty) {
+      return '-';
+    }
 
-    return bestPlayer;
+    // Check if there are multiple players with the same value
+    final highestMvpCount = sortedMvps.first.value;
+    final topPlayers = sortedMvps
+        .where((entry) => entry.value == highestMvpCount)
+        .toList();
+    switch (topPlayers.length) {
+      case 0:
+        return '-';
+      case 1:
+        return topPlayers.first.key.name;
+      default:
+        return loc.tie;
+    }
   }
 }