Aktuelle Version mit richtigem Shuffle

This commit is contained in:
MarcWieland 2025-12-11 08:20:15 +01:00
parent 41a4b2481a
commit 404769af45
2 changed files with 186 additions and 48 deletions

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@ -0,0 +1,146 @@
// lib/features/tournament/presentation/provider/shuffle_provider.dart
import 'dart:math';
import 'package:collection/collection.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../data/models/player_model.dart';
import 'active_players_provider.dart';
import 'shuffle_settings_provider.dart';
class ShuffleResult {
final List<List<PlayerModel>> fields; // 3 Felder à max 12
final List<PlayerModel> bench;
final String message;
ShuffleResult(this.fields, this.bench, {this.message = ''});
}
// Dies ist jetzt ein STATEFUL Provider wird nur bei explizitem Aufruf neu berechnet
final shuffleResultProvider =
StateProvider<ShuffleResult>((ref) => ShuffleResult([], [], message: 'Noch nicht gemischt'));
final shuffleControllerProvider = Provider((ref) => ShuffleController(ref));
class ShuffleController {
final Ref _ref;
ShuffleController(this._ref);
/// Hauptfunktion wird nur vom Button aufgerufen
void shuffle() {
final activePlayers = _ref.read(activePlayersProvider);
final settings = _ref.read(shuffleSettingsProvider);
if (activePlayers.isEmpty) {
_ref.read(shuffleResultProvider.notifier).state =
ShuffleResult([], [], message: 'Keine aktiven Spieler');
return;
}
final result = ShuffleAlgorithm().run(activePlayers, settings);
// Jetzt erst speichern (einmalig!)
_commitAllChanges(result);
// UI aktualisieren
_ref.read(shuffleResultProvider.notifier).state = result;
}
void _commitAllChanges(ShuffleResult result) {
// Aussetzer markieren
for (final p in result.bench) {
p.hasSatOut = true;
p.save();
}
// Alle anderen zurücksetzen (falls nötig)
final allActive = _ref.read(activePlayersProvider);
for (final p in allActive) {
if (!result.bench.contains(p)) {
p.hasSatOut = false;
p.save();
}
}
}
}
class ShuffleAlgorithm {
final Random _random = Random();
ShuffleResult run(List<PlayerModel> players, ShuffleSettings settings) {
// 1. Aussetzer bestimmen
final bench = _determineBench(players);
final playing = players.where((p) => !bench.contains(p)).toList();
// 2. Mischen
List<PlayerModel> ordered;
switch (settings.mode) {
case ShuffleMode.random:
ordered = playing..shuffle(_random);
break;
default:
ordered = _balancedShuffle(playing, settings);
break;
}
// 3. Auf 3 Felder verteilen
final fields = <List<PlayerModel>>[];
for (int i = 0; i < 3; i++) {
final start = i * 12;
final end = (start + 12).clamp(0, ordered.length);
fields.add(start < ordered.length ? ordered.sublist(start, end) : []);
}
return ShuffleResult(
fields,
bench,
message: 'Gemischte Teams (${ordered.length} Spieler)',
);
}
List<PlayerModel> _determineBench(List<PlayerModel> players) {
if (players.length <= 36) return [];
final excess = players.length - 36;
final never = players.where((p) => !p.hasSatOut).toList();
final already = players.where((p) => p.hasSatOut).toList();
final bench = <PlayerModel>[];
bench.addAll(never.take(excess));
if (bench.length < excess) {
bench.addAll(already.take(excess - bench.length));
}
return bench;
}
List<PlayerModel> _balancedShuffle(List<PlayerModel> players, ShuffleSettings settings) {
players.sort((a, b) {
if (settings.prioritizeGenderBalance) {
final g = a.gender.index.compareTo(b.gender.index);
if (g != 0) return g;
}
if (settings.prioritizeLevelBalance) {
final l = b.skillLevel.index.compareTo(a.skillLevel.index);
if (l != 0) return l;
}
if (settings.usePositions) {
final az = a.positions.contains(Position.zuspieler) ? 1 : 0;
final bz = b.positions.contains(Position.zuspieler) ? 1 : 0;
if (az != bz) return bz.compareTo(az);
}
return 0;
});
final teams = List.generate(6, (_) => <PlayerModel>[]);
for (int i = 0; i < players.length; i++) {
teams[i % 6].add(players[i]);
}
for (final t in teams) t.shuffle(_random);
final result = <PlayerModel>[];
for (int i = 0; i < 3; i++) {
result.addAll(teams[i]);
result.addAll(teams[i + 3]);
}
return result;
}
}

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@ -1,31 +1,23 @@
// lib/features/tournament/presentation/screens/fields_screen.dart
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../data/models/player_model.dart';
import '../provider/active_players_provider.dart';
import '../provider/player_provider.dart'; // für awardWinToPlayers
import '../widgets/volleyball_field_widget.dart';
import 'package:flutter/services.dart';
import '../../data/models/player_model.dart';
import '../provider/player_provider.dart';
import '../provider/shuffle_provider.dart'; // <-- jetzt mit shuffleResultProvider + shuffleControllerProvider
import '../widgets/volleyball_field_widget.dart';
class FieldsScreen extends ConsumerWidget {
const FieldsScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final activePlayers = ref.watch(activePlayersProvider);
// Shuffle für Demo (später echter Algorithmus)
final shuffled = List<PlayerModel>.from(activePlayers)..shuffle();
// Maximal 36 Spieler auf Felder, Rest Aussetzer
final playersOnFields = shuffled.length > 36 ? shuffled.sublist(0, 36) : shuffled;
final bench = shuffled.length > 36 ? shuffled.sublist(36) : <PlayerModel>[];
// Felder aufteilen
final field1 = _slice(playersOnFields, 0, 12);
final field2 = _slice(playersOnFields, 12, 24);
final field3 = _slice(playersOnFields, 24, 36);
final fields = [field1, field2, field3];
// Hier lesen wir den aktuellen Shuffle-Stand aus
final shuffleResult = ref.watch(shuffleResultProvider);
final fields = shuffleResult.fields;
final bench = shuffleResult.bench;
final message = shuffleResult.message;
return Scaffold(
body: Column(
@ -35,9 +27,11 @@ class FieldsScreen extends ConsumerWidget {
child: PageView.builder(
itemCount: 3,
itemBuilder: (context, index) {
final fieldPlayers = fields[index];
final fieldPlayers = index < fields.length ? fields[index] : <PlayerModel>[];
final teamA = fieldPlayers.sublist(0, fieldPlayers.length.clamp(0, 6));
final teamA = fieldPlayers.isNotEmpty
? fieldPlayers.sublist(0, fieldPlayers.length.clamp(0, 6))
: <PlayerModel>[];
final teamB = fieldPlayers.length > 6
? fieldPlayers.sublist(6, fieldPlayers.length.clamp(6, 12))
: <PlayerModel>[];
@ -46,11 +40,14 @@ class FieldsScreen extends ConsumerWidget {
padding: const EdgeInsets.all(16),
child: Column(
children: [
Expanded(child: VolleyballFieldWidget(teamA: teamA, teamB: teamB, fieldNumber: index + 1)),
Expanded(
child: VolleyballFieldWidget(
teamA: teamA,
teamB: teamB,
fieldNumber: index + 1,
),
),
const SizedBox(height: 20),
// Gewinner-Buttons
Row(
children: [
Expanded(
@ -74,7 +71,7 @@ class FieldsScreen extends ConsumerWidget {
SnackBar(
content: Text('Oben gewinnt! +1 Schleifchen für ${teamA.length} Spieler'),
backgroundColor: Colors.green,
duration: const Duration(seconds: 1),
duration: const Duration(milliseconds: 800),
),
);
},
@ -96,13 +93,13 @@ class FieldsScreen extends ConsumerWidget {
onPressed: teamB.isEmpty
? null
: () async {
HapticFeedback.mediumImpact();
await HapticFeedback.mediumImpact();
ref.read(playerListProvider.notifier).awardWinToPlayers(teamB);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Unten gewinnt! +1 Schleifchen für ${teamB.length} Spieler'),
backgroundColor: Colors.red,
duration: const Duration(seconds: 1),
duration: const Duration(milliseconds: 800),
),
);
},
@ -131,28 +128,30 @@ class FieldsScreen extends ConsumerWidget {
spacing: 12,
runSpacing: 8,
children: bench
.map((p) => Chip(
label: Text(p.name),
backgroundColor: Colors.orange.shade300,
))
.map((p) => Chip(label: Text(p.name), backgroundColor: Colors.orange.shade300))
.toList(),
),
],
),
),
// Shuffle Button unten
// NEUER SHUFFLE-BUTTON ruft den Controller auf
Padding(
padding: const EdgeInsets.all(16),
child: ElevatedButton.icon(
icon: const Icon(Icons.shuffle),
label: const Text('Neu mischen', style: TextStyle(fontSize: 18)),
label: Text(
message.isEmpty ? 'Neu mischen' : message,
style: const TextStyle(fontSize: 18),
),
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 16),
backgroundColor: Colors.deepPurple,
),
onPressed: () async {
HapticFeedback.mediumImpact();
ref.invalidate(activePlayersProvider);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Neue Teams gemischt!'), duration: Duration(milliseconds: 100)),
);
await HapticFeedback.selectionClick();
// Das ist der entscheidende Aufruf!
ref.read(shuffleControllerProvider).shuffle();
},
),
),
@ -160,11 +159,4 @@ class FieldsScreen extends ConsumerWidget {
),
);
}
// Hilfsfunktion für sicheres Slicing
List<PlayerModel> _slice(List<PlayerModel> list, int start, int end) {
final actualEnd = end.clamp(0, list.length);
if (start >= actualEnd) return [];
return list.sublist(start, actualEnd);
}
}