feat: play quiz multiplayer done

lib/app/routes/app_pages.dart

@@ -14,8 +14,11 @@ import 'package:quiz_app/feature/listing_quiz/binding/listing_quiz_binding.dart'
 import 'package:quiz_app/feature/listing_quiz/view/listing_quiz_view.dart';
 import 'package:quiz_app/feature/login/bindings/login_binding.dart';
 import 'package:quiz_app/feature/login/view/login_page.dart';
+import 'package:quiz_app/feature/monitor_quiz/view/monitor_quiz_view.dart';
 import 'package:quiz_app/feature/navigation/bindings/navigation_binding.dart';
 import 'package:quiz_app/feature/navigation/views/navbar_view.dart';
+import 'package:quiz_app/feature/play_quiz_multiplayer/binding/play_quiz_multiplayer_binding.dart';
+import 'package:quiz_app/feature/play_quiz_multiplayer/view/play_quiz_multiplayer.dart';
 import 'package:quiz_app/feature/profile/binding/profile_binding.dart';
 import 'package:quiz_app/feature/quiz_creation/binding/quiz_creation_binding.dart';
 import 'package:quiz_app/feature/quiz_creation/view/quiz_creation_view.dart';
@@ -120,6 +123,16 @@ class AppPages {
       name: AppRoutes.joinRoomPage,
       page: () => JoinRoomView(),
       binding: JoinRoomBinding(),
-    )
+    ),
+    GetPage(
+      name: AppRoutes.monitorQuizMPLPage,
+      page: () => MonitorQuizView(),
+      // binding: JoinRoomBinding(),
+    ),
+    GetPage(
+      name: AppRoutes.playQuizMPLPage,
+      page: () => PlayQuizMultiplayerView(),
+      binding: PlayQuizMultiplayerBinding(),
+    ),
   ];
 }

lib/app/routes/app_routes.dart

@@ -21,4 +21,7 @@ abstract class AppRoutes {
   static const roomPage = "/room/quiz";
   static const joinRoomPage = "/room/quiz/join";
   static const waitRoomPage = "/room/quiz/waiting";
+
+  static const playQuizMPLPage = "/room/quiz/play";
+  static const monitorQuizMPLPage = "/room/quiz/monitor";
 }

lib/data/services/socket_service.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'package:quiz_app/core/endpoint/api_endpoint.dart';
+import 'package:quiz_app/core/utils/logger.dart';
 import 'package:socket_io_client/socket_io_client.dart' as io;
 
 class SocketService {
@@ -7,47 +8,51 @@ class SocketService {
 
   final _roomMessageController = StreamController<Map<String, dynamic>>.broadcast();
   final _chatMessageController = StreamController<Map<String, dynamic>>.broadcast();
+  final _quizStartedController = StreamController<void>.broadcast();
   final _errorController = StreamController<String>.broadcast();
 
   Stream<Map<String, dynamic>> get roomMessages => _roomMessageController.stream;
   Stream<Map<String, dynamic>> get chatMessages => _chatMessageController.stream;
+  Stream<void> get quizStarted => _quizStartedController.stream;
   Stream<String> get errors => _errorController.stream;
 
   void initSocketConnection() {
     socket = io.io(
       APIEndpoint.baseUrl,
-      io.OptionBuilder()
-          .setTransports(['websocket']) // WebSocket mode
-          .disableAutoConnect()
-          .build(),
+      io.OptionBuilder().setTransports(['websocket']).disableAutoConnect().build(),
     );
 
     socket.connect();
 
     socket.onConnect((_) {
-      print('Connected: ${socket.id}');
+      logC.i('Connected: ${socket.id}');
     });
 
     socket.onDisconnect((_) {
-      print('Disconnected');
+      logC.i('Disconnected');
     });
 
     socket.on('connection_response', (data) {
-      print('Connection response: $data');
+      logC.i('Connection response: $data');
     });
 
     socket.on('room_message', (data) {
-      print('Room Message: $data');
+      logC.i('Room Message: $data');
       _roomMessageController.add(Map<String, dynamic>.from(data));
     });
 
     socket.on('receive_message', (data) {
-      print('Message from ${data['from']}: ${data['message']}');
+      logC.i('Message from ${data['from']}: ${data['message']}');
       _chatMessageController.add(Map<String, dynamic>.from(data));
     });
 
+    socket.on('quiz_started', (_) {
+      logC.i('Quiz has started!');
+      _quizStartedController.add(null);
+    });
+
     socket.on('error', (data) {
-      print('Socket error: $data');
+      logC.i('Socket error: $data');
       _errorController.add(data.toString());
     });
   }
@@ -78,10 +83,44 @@ class SocketService {
     });
   }
 
+  /// Emit when admin starts the quiz
+  void startQuiz({required String sessionCode}) {
+    socket.emit('start_quiz', {
+      'session_code': sessionCode,
+    });
+  }
+
+  /// Emit user's answer during quiz
+  void sendAnswer({
+    required String sessionId,
+    required String userId,
+    required int questionIndex,
+    required dynamic answer,
+  }) {
+    socket.emit('submit_answer', {
+      'session_id': sessionId,
+      'user_id': userId,
+      'question_index': questionIndex,
+      'answer': answer,
+    });
+  }
+
+  /// Emit when user finishes the quiz
+  void doneQuiz({
+    required String sessionId,
+    required String userId,
+  }) {
+    socket.emit('quiz_done', {
+      'session_id': sessionId,
+      'user_id': userId,
+    });
+  }
+
   void dispose() {
     socket.dispose();
     _roomMessageController.close();
     _chatMessageController.close();
+    _quizStartedController.close();
     _errorController.close();
   }
 }

lib/feature/monitor_quiz/view/monitor_quiz_view.dart

@@ -0,0 +1,10 @@
+import 'package:flutter/material.dart';
+
+class MonitorQuizView extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Text("monitor quiz admin"),
+    );
+  }
+}

lib/feature/play_quiz_multiplayer/binding/play_quiz_multiplayer_binding.dart

@@ -0,0 +1,11 @@
+import 'package:get/get.dart';
+import 'package:quiz_app/data/controllers/user_controller.dart';
+import 'package:quiz_app/data/services/socket_service.dart';
+import 'package:quiz_app/feature/play_quiz_multiplayer/controller/play_quiz_controller.dart';
+
+class PlayQuizMultiplayerBinding extends Bindings {
+  @override
+  void dependencies() {
+    Get.lazyPut(() => PlayQuizMultiplayerController(Get.find<SocketService>(), Get.find<UserController>()));
+  }
+}

lib/feature/play_quiz_multiplayer/controller/play_quiz_controller.dart

@@ -0,0 +1,91 @@
+import 'package:get/get.dart';
+import 'package:quiz_app/data/controllers/user_controller.dart';
+import 'package:quiz_app/data/services/socket_service.dart';
+
+class PlayQuizMultiplayerController extends GetxController {
+  final SocketService _socketService;
+  final UserController _userController;
+
+  PlayQuizMultiplayerController(this._socketService, this._userController);
+
+  final questions = <MultiplayerQuestionModel>[].obs;
+  final Rxn<MultiplayerQuestionModel> currentQuestion = Rxn<MultiplayerQuestionModel>();
+  final currentQuestionIndex = 0.obs;
+  final selectedAnswer = Rxn<String>();
+  final isDone = false.obs;
+
+  late final String sessionCode;
+  late final bool isAdmin;
+
+  @override
+  void onInit() {
+    super.onInit();
+
+    final args = Get.arguments as Map<String, dynamic>;
+    sessionCode = args["session_code"];
+    isAdmin = args["is_admin"];
+
+    _socketService.socket.on("quiz_question", (data) {
+      final model = MultiplayerQuestionModel.fromJson(Map<String, dynamic>.from(data));
+      currentQuestion.value = model;
+      questions.add(model);
+    });
+
+    _socketService.socket.on("quiz_done", (_) {
+      isDone.value = true;
+    });
+  }
+
+  void submitAnswer() {
+    final question = questions[currentQuestionIndex.value];
+    final answer = selectedAnswer.value;
+
+    if (answer != null) {
+      _socketService.sendAnswer(
+        sessionId: sessionCode,
+        userId: _userController.userData!.id,
+        questionIndex: question.questionIndex,
+        answer: answer,
+      );
+    }
+
+    if (currentQuestionIndex.value < questions.length - 1) {
+      currentQuestionIndex.value++;
+      selectedAnswer.value = null;
+    } else {
+      isDone.value = true;
+      _socketService.doneQuiz(
+        sessionId: sessionCode,
+        userId: _userController.userData!.id,
+      );
+    }
+  }
+}
+
+class MultiplayerQuestionModel {
+  final int questionIndex;
+  final String question;
+  final List<String> options;
+
+  MultiplayerQuestionModel({
+    required this.questionIndex,
+    required this.question,
+    required this.options,
+  });
+
+  factory MultiplayerQuestionModel.fromJson(Map<String, dynamic> json) {
+    return MultiplayerQuestionModel(
+      questionIndex: json['question_index'],
+      question: json['question'],
+      options: List<String>.from(json['options']),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'question_index': questionIndex,
+      'question': question,
+      'options': options,
+    };
+  }
+}

lib/feature/play_quiz_multiplayer/view/play_quiz_multiplayer.dart

@@ -0,0 +1,79 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:quiz_app/feature/play_quiz_multiplayer/controller/play_quiz_controller.dart';
+
+class PlayQuizMultiplayerView extends GetView<PlayQuizMultiplayerController> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Obx(() {
+          if (controller.questions.isEmpty) {
+            return const Text("Loading...");
+          }
+          return Text("Soal ${controller.currentQuestionIndex.value + 1}/${controller.questions.length}");
+        }),
+      ),
+      body: Obx(() {
+        if (controller.isDone.value) {
+          return _buildDoneView();
+        }
+
+        if (controller.questions.isEmpty) {
+          return const Center(child: CircularProgressIndicator());
+        }
+
+        return _buildQuestionView();
+      }),
+    );
+  }
+
+  Widget _buildQuestionView() {
+    return Padding(
+      padding: const EdgeInsets.all(20.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            controller.currentQuestion.value!.question,
+            style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+          ),
+          const SizedBox(height: 20),
+          ...controller.currentQuestion.value!.options.map((option) => RadioListTile<String>(
+                title: Text(option),
+                value: option,
+                groupValue: controller.selectedAnswer.value,
+                onChanged: (value) => controller.selectedAnswer.value = value,
+              )),
+          const Spacer(),
+          SizedBox(
+            width: double.infinity,
+            child: ElevatedButton(
+              onPressed: controller.selectedAnswer.value == null ? null : controller.submitAnswer,
+              child: const Text("Kirim Jawaban"),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildDoneView() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          const Text(
+            "Kuis telah selesai!",
+            style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
+          ),
+          const SizedBox(height: 16),
+          ElevatedButton(
+            onPressed: () {},
+            child: const Text("Lihat Hasil"),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/feature/waiting_room/controller/waiting_room_controller.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:get/get.dart';
+import 'package:quiz_app/app/routes/app_pages.dart';
 import 'package:quiz_app/data/controllers/user_controller.dart';
 import 'package:quiz_app/data/dto/waiting_room_dto.dart';
 import 'package:quiz_app/data/models/quiz/quiz_listing_model.dart';
@@ -16,25 +17,24 @@ class WaitingRoomController extends GetxController {
   final sessionCode = ''.obs;
   final quizMeta = Rx<QuizListingModel?>(null);
   final joinedUsers = <UserModel>[].obs;
-
   final isAdmin = true.obs;
 
+  final quizQuestions = <Map<String, dynamic>>[].obs;
+  final isQuizStarted = false.obs;
+
   @override
   void onInit() {
     super.onInit();
-    _loadDummyData();
+    _loadInitialData();
+    _registerSocketListeners();
   }
 
-  void _loadDummyData() {
+  void _loadInitialData() {
     final data = Get.arguments as WaitingRoomDTO;
 
     SessionResponseModel? roomData = data.data;
     isAdmin.value = data.isAdmin;
 
-    _socketService.roomMessages.listen((data) {
-      final user = data["data"];
-      joinedUsers.assign(UserModel(id: user['user_id'], name: user['username']));
-    });
     sessionCode.value = roomData.sessionCode;
 
     quizMeta.value = QuizListingModel(
@@ -49,6 +49,31 @@ class WaitingRoomController extends GetxController {
     );
   }
 
+  void _registerSocketListeners() {
+    _socketService.roomMessages.listen((data) {
+      final user = data["data"];
+      if (user != null) {
+        joinedUsers.assign(UserModel(id: user['user_id'], name: user['username']));
+      }
+    });
+
+    _socketService.quizStarted.listen((_) {
+      isQuizStarted.value = true;
+      Get.snackbar("Info", "Kuis telah dimulai");
+      if (isAdmin.value) {
+        Get.offAllNamed(AppRoutes.monitorQuizMPLPage, arguments: {
+          "session_code": sessionCode.value,
+          "is_admin": isAdmin.value,
+        });
+      } else {
+        Get.offAllNamed(AppRoutes.playQuizMPLPage, arguments: {
+          "session_code": sessionCode.value,
+          "is_admin": isAdmin.value,
+        });
+      }
+    });
+  }
+
   void copySessionCode(BuildContext context) {
     Clipboard.setData(ClipboardData(text: sessionCode.value));
     ScaffoldMessenger.of(context).showSnackBar(
@@ -61,6 +86,6 @@ class WaitingRoomController extends GetxController {
   }
 
   void startQuiz() {
-    print("Mulai kuis dengan session: ${sessionCode.value}");
+    _socketService.startQuiz(sessionCode: sessionCode.value);
   }
 }