Merge remote-tracking branch 'origin/development' into enhancement/46-homeview-mockdaten-entfernen

lib/presentation/views/main_menu/create_group_view.dart

@@ -49,8 +49,7 @@ class _CreateGroupViewState extends State<CreateGroupView> {
   @override
   void dispose() {
     _groupNameController.dispose();
-    _searchBarController
-        .dispose(); // Listener entfernen und Controller aufräumen
+    _searchBarController.dispose();
     super.dispose();
   }
 
@@ -67,19 +66,19 @@ class _CreateGroupViewState extends State<CreateGroupView> {
 
   @override
   Widget build(BuildContext context) {
-    return SafeArea(
-      child: Scaffold(
+    return Scaffold(
+      backgroundColor: CustomTheme.backgroundColor,
+      appBar: AppBar(
         backgroundColor: CustomTheme.backgroundColor,
-        appBar: AppBar(
-          backgroundColor: CustomTheme.backgroundColor,
-          scrolledUnderElevation: 0,
-          title: const Text(
-            'Create new group',
-            style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
-          ),
-          centerTitle: true,
+        scrolledUnderElevation: 0,
+        title: const Text(
+          'Create new group',
+          style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
         ),
-        body: Column(
+        centerTitle: true,
+      ),
+      body: SafeArea(
+        child: Column(
           mainAxisAlignment: MainAxisAlignment.start,
           children: [
             Container(
@@ -123,12 +122,7 @@ class _CreateGroupViewState extends State<CreateGroupView> {
                           .trim()
                           .isNotEmpty,
                       onTrailingButtonPressed: () async {
-                        addNewPlayerFromSearch(
-                          context: context,
-                          searchBarController: _searchBarController,
-                          db: db,
-                          loadPlayerList: loadPlayerList,
-                        );
+                        addNewPlayerFromSearch(context: context);
                       },
                       onChanged: (value) {
                         setState(() {
@@ -339,48 +333,47 @@ class _CreateGroupViewState extends State<CreateGroupView> {
       ),
     );
   }
-}
 
-/// Adds a new player to the database from the search bar input.
-/// Shows a snackbar indicating success or failure.
-/// [context] - BuildContext to show the snackbar.
-/// [searchBarController] - TextEditingController of the search bar.
-/// [db] - AppDatabase instance to interact with the database.
-/// [loadPlayerList] - Function to reload the player list after adding.
-void addNewPlayerFromSearch({
-  required BuildContext context,
-  required TextEditingController searchBarController,
-  required AppDatabase db,
-  required Function loadPlayerList,
-}) async {
-  String playerName = searchBarController.text.trim();
-  bool success = await db.playerDao.addPlayer(player: Player(name: playerName));
-  if (!context.mounted) return;
-  if (success) {
-    loadPlayerList();
-    ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(
-        backgroundColor: CustomTheme.boxColor,
-        content: Center(
-          child: Text(
-            'Successfully added player $playerName.',
-            style: const TextStyle(color: Colors.white),
+  /// Adds a new player to the database from the search bar input.
+  /// Shows a snackbar indicating success or failure.
+  /// [context] - BuildContext to show the snackbar.
+  void addNewPlayerFromSearch({required BuildContext context}) async {
+    String playerName = _searchBarController.text.trim();
+    Player createdPlayer = Player(name: playerName);
+    bool success = await db.playerDao.addPlayer(player: createdPlayer);
+    if (!context.mounted) return;
+    if (success) {
+      selectedPlayers.add(createdPlayer);
+      allPlayers.add(createdPlayer);
+      setState(() {
+        _searchBarController.clear();
+        suggestedPlayers = allPlayers.where((player) {
+          return !selectedPlayers.contains(player);
+        }).toList();
+      });
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          backgroundColor: CustomTheme.boxColor,
+          content: Center(
+            child: Text(
+              'Successfully added player $playerName.',
+              style: const TextStyle(color: Colors.white),
+            ),
           ),
         ),
-      ),
-    );
-    searchBarController.clear();
-  } else {
-    ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(
-        backgroundColor: CustomTheme.boxColor,
-        content: Center(
-          child: Text(
-            'Could not add player $playerName.',
-            style: const TextStyle(color: Colors.white),
+      );
+    } else {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          backgroundColor: CustomTheme.boxColor,
+          content: Center(
+            child: Text(
+              'Could not add player $playerName.',
+              style: const TextStyle(color: Colors.white),
+            ),
           ),
         ),
-      ),
-    );
+      );
+    }
   }
 }

lib/presentation/views/main_menu/groups_view.dart

@@ -69,9 +69,9 @@ class _GroupsViewState extends State<GroupsView> {
                   }
                   final bool isLoading =
                       snapshot.connectionState == ConnectionState.waiting;
-                  final List<Group> groups = isLoading
-                      ? skeletonData
-                      : (snapshot.data ?? []);
+                  final List<Group> groups =
+                      isLoading ? skeletonData : (snapshot.data ?? [])
+                        ..sort((a, b) => b.createdAt.compareTo(a.createdAt));
                   return Skeletonizer(
                     effect: PulseEffect(
                       from: Colors.grey[800]!,
@@ -93,7 +93,9 @@ class _GroupsViewState extends State<GroupsView> {
                       itemCount: groups.length + 1,
                       itemBuilder: (BuildContext context, int index) {
                         if (index == groups.length) {
-                          return const SizedBox(height: 60);
+                          return SizedBox(
+                            height: MediaQuery.paddingOf(context).bottom - 20,
+                          );
                         }
                         return GroupTile(group: groups[index]);
                       },

lib/presentation/views/main_menu/statistics_view.dart

@@ -1,10 +1,262 @@
-import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/dto/game.dart';
+import 'package:game_tracker/data/dto/player.dart';
+import 'package:game_tracker/presentation/widgets/tiles/statistics_tile.dart';
+import 'package:provider/provider.dart';
+import 'package:skeletonizer/skeletonizer.dart';
 
-class StatisticsView extends StatelessWidget {
+class StatisticsView extends StatefulWidget {
   const StatisticsView({super.key});
 
+  @override
+  State<StatisticsView> createState() => _StatisticsViewState();
+}
+
+class _StatisticsViewState extends State<StatisticsView> {
+  late Future<List<Game>> _gamesFuture;
+  late Future<List<Player>> _playersFuture;
+  List<(String, int)> winCounts = List.filled(6, ('Skeleton Player', 1));
+  List<(String, int)> gameCounts = List.filled(6, ('Skeleton Player', 1));
+  List<(String, double)> winRates = List.filled(6, ('Skeleton Player', 1));
+  bool isLoading = true;
+
+  @override
+  void initState() {
+    super.initState();
+    final db = Provider.of<AppDatabase>(context, listen: false);
+    _gamesFuture = db.gameDao.getAllGames();
+    _playersFuture = db.playerDao.getAllPlayers();
+
+    Future.wait([_gamesFuture, _playersFuture]).then((results) async {
+      await Future.delayed(const Duration(milliseconds: 200));
+      final games = results[0] as List<Game>;
+      final players = results[1] as List<Player>;
+      winCounts = _calculateWinsForAllPlayers(games, players);
+      gameCounts = _calculateGameAmountsForAllPlayers(games, players);
+      winRates = computeWinRatePercent(wins: winCounts, games: gameCounts);
+      if (mounted) {
+        setState(() {
+          isLoading = false;
+        });
+      }
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
-    return const Center(child: Text('Statistics View'));
+    return LayoutBuilder(
+      builder: (BuildContext context, BoxConstraints constraints) {
+        return SingleChildScrollView(
+          child: Skeletonizer(
+            effect: PulseEffect(
+              from: Colors.grey[800]!,
+              to: Colors.grey[600]!,
+              duration: const Duration(milliseconds: 800),
+            ),
+            enabled: isLoading,
+            enableSwitchAnimation: true,
+            switchAnimationConfig: SwitchAnimationConfig(
+              duration: const Duration(milliseconds: 200),
+              switchInCurve: Curves.linear,
+              switchOutCurve: Curves.linear,
+              transitionBuilder: AnimatedSwitcher.defaultTransitionBuilder,
+              layoutBuilder:
+                  (Widget? currentChild, List<Widget> previousChildren) {
+                    return Stack(
+                      alignment: Alignment.topCenter,
+                      children: [
+                        ...previousChildren,
+                        if (currentChild != null) currentChild,
+                      ],
+                    );
+                  },
+            ),
+            child: ConstrainedBox(
+              constraints: BoxConstraints(minWidth: constraints.maxWidth),
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.start,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  SizedBox(height: constraints.maxHeight * 0.01),
+                  StatisticsTile(
+                    icon: Icons.sports_score,
+                    title: 'Wins per Player',
+                    width: constraints.maxWidth * 0.95,
+                    values: winCounts,
+                    itemCount: 3,
+                    barColor: Colors.blue,
+                  ),
+                  SizedBox(height: constraints.maxHeight * 0.02),
+                  StatisticsTile(
+                    icon: Icons.percent,
+                    title: 'Winrate per Player',
+                    width: constraints.maxWidth * 0.95,
+                    values: winRates,
+                    itemCount: 5,
+                    barColor: Colors.orange[700]!,
+                  ),
+                  SizedBox(height: constraints.maxHeight * 0.02),
+                  StatisticsTile(
+                    icon: Icons.casino,
+                    title: 'Games per Player',
+                    width: constraints.maxWidth * 0.95,
+                    values: gameCounts,
+                    itemCount: 10,
+                    barColor: Colors.green,
+                  ),
+                  SizedBox(height: MediaQuery.paddingOf(context).bottom),
+                ],
+              ),
+            ),
+          ),
+        );
+      },
+    );
+  }
+
+  /// Calculates the number of wins for each player
+  /// and returns a sorted list of tuples (playerName, winCount)
+  List<(String, int)> _calculateWinsForAllPlayers(
+    List<Game> games,
+    List<Player> players,
+  ) {
+    List<(String, int)> winCounts = [];
+
+    // Getting the winners
+    for (var game in games) {
+      final winner = game.winner;
+      if (winner != null) {
+        final index = winCounts.indexWhere((entry) => entry.$1 == winner.id);
+        // -1 means winner not found in winCounts
+        if (index != -1) {
+          final current = winCounts[index].$2;
+          winCounts[index] = (winner.id, current + 1);
+        } else {
+          winCounts.add((winner.id, 1));
+        }
+      }
+    }
+
+    // Adding all players with zero wins
+    for (var player in players) {
+      final index = winCounts.indexWhere((entry) => entry.$1 == player.id);
+      // -1 means player not found in winCounts
+      if (index == -1) {
+        winCounts.add((player.id, 0));
+      }
+    }
+
+    // Replace player IDs with names
+    for (int i = 0; i < winCounts.length; i++) {
+      final playerId = winCounts[i].$1;
+      final player = players.firstWhere(
+        (p) => p.id == playerId,
+        orElse: () => Player(id: playerId, name: 'N.a.'),
+      );
+      winCounts[i] = (player.name, winCounts[i].$2);
+    }
+
+    winCounts.sort((a, b) => b.$2.compareTo(a.$2));
+
+    return winCounts;
+  }
+
+  /// Calculates the number of games played for each player
+  /// and returns a sorted list of tuples (playerName, gameCount)
+  List<(String, int)> _calculateGameAmountsForAllPlayers(
+    List<Game> games,
+    List<Player> players,
+  ) {
+    List<(String, int)> gameCounts = [];
+
+    // Counting games for each player
+    for (var game in games) {
+      if (game.group != null) {
+        final members = game.group!.members.map((p) => p.id).toList();
+        for (var playerId in members) {
+          final index = gameCounts.indexWhere((entry) => entry.$1 == playerId);
+          // -1 means player not found in gameCounts
+          if (index != -1) {
+            final current = gameCounts[index].$2;
+            gameCounts[index] = (playerId, current + 1);
+          } else {
+            gameCounts.add((playerId, 1));
+          }
+        }
+      }
+      if (game.players != null) {
+        final members = game.players!.map((p) => p.id).toList();
+        for (var playerId in members) {
+          final index = gameCounts.indexWhere((entry) => entry.$1 == playerId);
+          // -1 means player not found in gameCounts
+          if (index != -1) {
+            final current = gameCounts[index].$2;
+            gameCounts[index] = (playerId, current + 1);
+          } else {
+            gameCounts.add((playerId, 1));
+          }
+        }
+      }
+    }
+
+    // Adding all players with zero games
+    for (var player in players) {
+      final index = gameCounts.indexWhere((entry) => entry.$1 == player.id);
+      // -1 means player not found in gameCounts
+      if (index == -1) {
+        gameCounts.add((player.id, 0));
+      }
+    }
+
+    // Replace player IDs with names
+    for (int i = 0; i < gameCounts.length; i++) {
+      final playerId = gameCounts[i].$1;
+      final player = players.firstWhere(
+        (p) => p.id == playerId,
+        orElse: () => Player(id: playerId, name: 'N.a.'),
+      );
+      gameCounts[i] = (player.name, gameCounts[i].$2);
+    }
+
+    gameCounts.sort((a, b) => b.$2.compareTo(a.$2));
+
+    return gameCounts;
+  }
+
+  // dart
+  List<(String, double)> computeWinRatePercent({
+    required List<(String, int)> wins,
+    required List<(String, int)> games,
+  }) {
+    final Map<String, int> winsMap = {for (var e in wins) e.$1: e.$2};
+    final Map<String, int> gamesMap = {for (var e in games) e.$1: e.$2};
+
+    // Get all unique player names
+    final names = {...winsMap.keys, ...gamesMap.keys};
+
+    // Calculate win rates
+    final result = names.map((name) {
+      final int w = winsMap[name] ?? 0;
+      final int g = gamesMap[name] ?? 0;
+      // Calculate percentage and round to 2 decimal places
+      // Avoid division by zero
+      final double percent = (g > 0)
+          ? double.parse(((w / g)).toStringAsFixed(2))
+          : 0;
+      return (name, percent);
+    }).toList();
+
+    // Sort the result: first by winrate descending,
+    // then by wins descending in case of a tie
+    result.sort((a, b) {
+      final cmp = b.$2.compareTo(a.$2);
+      if (cmp != 0) return cmp;
+      final wa = winsMap[a.$1] ?? 0;
+      final wb = winsMap[b.$1] ?? 0;
+      return wb.compareTo(wa);
+    });
+
+    return result;
   }
 }