feat: quiz play logic

lib/app/routes/app_pages.dart

@@ -13,6 +13,8 @@ import 'package:quiz_app/feature/navigation/views/navbar_view.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';
+import 'package:quiz_app/feature/quiz_play/binding/quiz_play_binding.dart';
+import 'package:quiz_app/feature/quiz_play/view/quiz_play_view.dart';
 import 'package:quiz_app/feature/quiz_preview/binding/quiz_preview_binding.dart';
 import 'package:quiz_app/feature/quiz_preview/view/quiz_preview.dart';
 import 'package:quiz_app/feature/register/binding/register_binding.dart';
@@ -71,6 +73,11 @@ class AppPages {
       name: AppRoutes.detailQuizPage,
       page: () => DetailQuizView(),
       binding: DetailQuizBinding(),
+    ),
+    GetPage(
+      name: AppRoutes.playQuizPage,
+      page: () => QuizPlayView(),
+      binding: QuizPlayBinding(),
     )
   ];
 }

lib/app/routes/app_routes.dart

@@ -12,4 +12,6 @@ abstract class AppRoutes {
   static const quizPreviewPage = "/quiz/preview";
 
   static const detailQuizPage = "/quiz/detail";
+
+  static const playQuizPage = "/quiz/play";
 }

lib/feature/library/controller/detail_quiz_controller.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import 'package:quiz_app/app/routes/app_pages.dart';
 import 'package:quiz_app/data/models/quiz/library_quiz_model.dart';
 
 class DetailQuizController extends GetxController {
@@ -12,4 +13,6 @@ class DetailQuizController extends GetxController {
   void loadData() {
     data = Get.arguments as QuizData;
   }
+
+  void goToPlayPage() => Get.toNamed(AppRoutes.playQuizPage, arguments: data);
 }

lib/feature/library/view/detail_quix_view.dart

@@ -70,7 +70,7 @@ class DetailQuizView extends GetView<DetailQuizController> {
                 const SizedBox(height: 20),
                 const SizedBox(height: 20),
 
-                GlobalButton(text: "Kerjakan", onPressed: () {}),
+                GlobalButton(text: "Kerjakan", onPressed: controller.goToPlayPage),
                 const SizedBox(height: 20),
                 GlobalButton(text: "buat ruangan", onPressed: () {}),
 

lib/feature/quiz_play/binding/quiz_play_binding.dart

@@ -0,0 +1,9 @@
+import 'package:get/get.dart';
+import 'package:quiz_app/feature/quiz_play/controller/quiz_play_controller.dart';
+
+class QuizPlayBinding extends Bindings {
+  @override
+  void dependencies() {
+    Get.lazyPut<QuizPlayController>(() => QuizPlayController());
+  }
+}

lib/feature/quiz_play/controller/quiz_play_controller.dart

@@ -0,0 +1,164 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:quiz_app/core/utils/logger.dart';
+import 'package:quiz_app/data/models/quiz/library_quiz_model.dart';
+import 'package:quiz_app/data/models/quiz/question_listings_model.dart';
+
+class QuizPlayController extends GetxController {
+  late final QuizData quizData;
+
+  final currentIndex = 0.obs;
+  final timeLeft = 0.obs;
+  final isStarting = true.obs;
+  final isAnswerSelected = false.obs;
+  final selectedAnswer = ''.obs;
+  final List<AnsweredQuestion> answeredQuestions = [];
+
+  final answerTextController = TextEditingController();
+  final choosenAnswerTOF = 0.obs;
+  Timer? _timer;
+
+  QuestionListing get currentQuestion => quizData.questionListings[currentIndex.value];
+
+  @override
+  void onInit() {
+    super.onInit();
+    quizData = Get.arguments as QuizData;
+    _startCountdown();
+
+    // Listener untuk fill the blank
+    answerTextController.addListener(() {
+      if (answerTextController.text.trim().isNotEmpty) {
+        isAnswerSelected.value = true;
+      } else {
+        isAnswerSelected.value = false;
+      }
+    });
+
+    // Listener untuk pilihan true/false
+    ever(choosenAnswerTOF, (value) {
+      if (value != 0) {
+        isAnswerSelected.value = true;
+      }
+    });
+  }
+
+  void _startCountdown() async {
+    await Future.delayed(const Duration(seconds: 3));
+    isStarting.value = false;
+    _startTimer();
+  }
+
+  void _startTimer() {
+    timeLeft.value = currentQuestion.duration;
+    _timer?.cancel();
+    _timer = Timer.periodic(const Duration(seconds: 1), (timer) {
+      if (timeLeft.value > 0) {
+        timeLeft.value--;
+      } else {
+        _submitAnswerIfNeeded();
+        _nextQuestion();
+      }
+    });
+    isAnswerSelected.value = false;
+  }
+
+  void selectAnswer(String answer) {
+    selectedAnswer.value = answer;
+    isAnswerSelected.value = true;
+  }
+
+  void onChooseTOF(bool value) {
+    choosenAnswerTOF.value = value ? 1 : 2;
+    selectedAnswer.value = value ? "Ya" : "Tidak"; 
+  }
+
+  void _submitAnswerIfNeeded() {
+    final question = currentQuestion;
+    String userAnswer = "";
+
+    if (question.type == "fill_the_blank") {
+      userAnswer = answerTextController.text.trim();
+    } else if (question.type == "option") {
+      userAnswer = selectedAnswer.value.trim();
+    } else if (question.type == "true_false") {
+      userAnswer = selectedAnswer.value.trim();
+    }
+
+    // Masukkan ke answeredQuestions
+    answeredQuestions.add(AnsweredQuestion(
+      index: currentIndex.value,
+      question: question.question,
+      selectedAnswer: userAnswer,
+      correctAnswer: question.targetAnswer.trim(),
+      isCorrect: userAnswer.toLowerCase() == question.targetAnswer.trim().toLowerCase(),
+    ));
+  }
+
+  void nextQuestion() {
+    _submitAnswerIfNeeded();
+    _nextQuestion();
+  }
+
+  void _nextQuestion() {
+    _timer?.cancel();
+    if (currentIndex.value < quizData.questionListings.length - 1) {
+      currentIndex.value++;
+      answerTextController.clear();
+      selectedAnswer.value = '';
+      choosenAnswerTOF.value = 0;
+      _startTimer();
+    } else {
+      _finishQuiz();
+    }
+  }
+
+  void _finishQuiz() {
+    _timer?.cancel();
+    logC.i(answeredQuestions.map((e) => e.toJson()).toList());
+    Get.defaultDialog(
+      title: "Selesai",
+      middleText: "Kamu telah menyelesaikan semua soal!",
+      onConfirm: () {
+        Get.back();
+        Get.back();
+      },
+      textConfirm: "OK",
+    );
+  }
+
+  @override
+  void onClose() {
+    _timer?.cancel();
+    answerTextController.dispose();
+    super.onClose();
+  }
+}
+
+class AnsweredQuestion {
+  final int index;
+  final String question;
+  final String selectedAnswer;
+  final String correctAnswer;
+  final bool isCorrect;
+
+  AnsweredQuestion({
+    required this.index,
+    required this.question,
+    required this.selectedAnswer,
+    required this.correctAnswer,
+    required this.isCorrect,
+  });
+
+  Map<String, dynamic> toJson() {
+    return {
+      'index': index,
+      'question': question,
+      'selectedAnswer': selectedAnswer,
+      'correctAnswer': correctAnswer,
+      'isCorrect': isCorrect,
+    };
+  }
+}

lib/feature/quiz_play/view/quiz_play_view.dart

@@ -0,0 +1,131 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:quiz_app/component/global_text_field.dart';
+import 'package:quiz_app/feature/quiz_play/controller/quiz_play_controller.dart';
+
+class QuizPlayView extends GetView<QuizPlayController> {
+  const QuizPlayView({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: const Color(0xFFF9FAFB),
+      appBar: AppBar(
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        automaticallyImplyLeading: false,
+        title: const Text(
+          'Kerjakan Soal',
+          style: TextStyle(color: Colors.black, fontWeight: FontWeight.bold),
+        ),
+        iconTheme: const IconThemeData(color: Colors.black),
+        centerTitle: true,
+      ),
+      body: SafeArea(
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Obx(() {
+            final question = controller.currentQuestion;
+            return Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                LinearProgressIndicator(
+                  value: controller.timeLeft.value / question.duration,
+                  minHeight: 8,
+                  backgroundColor: Colors.grey[300],
+                  valueColor: const AlwaysStoppedAnimation<Color>(Color(0xFF2563EB)),
+                ),
+                const SizedBox(height: 20),
+                Text(
+                  'Soal ${controller.currentIndex.value + 1} dari ${controller.quizData.questionListings.length}',
+                  style: const TextStyle(
+                    fontSize: 16,
+                    color: Colors.grey,
+                    fontWeight: FontWeight.w500,
+                  ),
+                ),
+                const SizedBox(height: 12),
+                Text(
+                  question.question,
+                  style: const TextStyle(
+                    fontSize: 20,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.black,
+                  ),
+                ),
+                const SizedBox(height: 30),
+
+                // Jawaban Berdasarkan Tipe Soal
+                if (question.type == 'option' && question.options != null)
+                  ...List.generate(question.options!.length, (index) {
+                    final option = question.options![index];
+                    return Container(
+                      margin: const EdgeInsets.only(bottom: 12),
+                      width: double.infinity,
+                      child: ElevatedButton(
+                        style: ElevatedButton.styleFrom(
+                          backgroundColor: Colors.white,
+                          foregroundColor: Colors.black,
+                          side: const BorderSide(color: Colors.grey),
+                          padding: const EdgeInsets.symmetric(vertical: 14),
+                          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                        ),
+                        onPressed: () => controller.selectAnswer(option),
+                        child: Text(option),
+                      ),
+                    );
+                  })
+                else if (question.type == 'true_false')
+                  Row(
+                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                    children: [
+                      _buildTrueFalseButton('Ya', true, controller.choosenAnswerTOF),
+                      _buildTrueFalseButton('Tidak', false, controller.choosenAnswerTOF),
+                    ],
+                  )
+                else
+                  GlobalTextField(controller: controller.answerTextController),
+                const Spacer(),
+                Obx(() {
+                  return ElevatedButton(
+                    onPressed: controller.nextQuestion,
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: controller.isAnswerSelected.value ? const Color(0xFF2563EB) : Colors.grey,
+                      foregroundColor: Colors.white,
+                      minimumSize: const Size(double.infinity, 50),
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(12),
+                      ),
+                    ),
+                    child: const Text(
+                      'Next',
+                      style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+                    ),
+                  );
+                }),
+              ],
+            );
+          }),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTrueFalseButton(String label, bool value, RxInt choosenAnswer) {
+    return Obx(() {
+      bool isSelected = (choosenAnswer.value == (value ? 1 : 2));
+      return ElevatedButton.icon(
+        style: ElevatedButton.styleFrom(
+          backgroundColor: isSelected ? (value ? Colors.green[100] : Colors.red[100]) : Colors.white,
+          foregroundColor: Colors.black,
+          side: const BorderSide(color: Colors.grey),
+          padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+        ),
+        onPressed: () => controller.onChooseTOF(value),
+        icon: Icon(value ? Icons.check_circle_outline : Icons.cancel_outlined),
+        label: Text(label),
+      );
+    });
+  }
+}