update competition

app/src/main/java/com/example/lexilearn/data/local/SharedPrefHelper.kt

@@ -33,7 +33,7 @@ class SharedPrefHelper(context: Context) {
     fun saveMaterialList(filterMaterial: String, materialList: List<MaterialDataModel>) {
         val editor = sharedPreferences.edit()
         val json = Gson().toJson(materialList)
-        editor.putString("material_list_$filterMaterial", json)
+        editor.putString(" $filterMaterial", json)
         editor.apply()
     }
 
@@ -47,6 +47,28 @@ class SharedPrefHelper(context: Context) {
         }
     }
 
+    fun getCombinedMaterialList(): List<MaterialDataModel> {
+        val categories = listOf("animal", "limb", "family", "house")
+        val combinedList = mutableListOf<MaterialDataModel>()
+
+        for (category in categories) {
+            getMaterialList(category)?.let { combinedList.addAll(it) }
+        }
+
+        return combinedList
+    }
+
+    fun getRandomMaterials(nData: Int): List<MaterialDataModel> {
+        val combinedList = getCombinedMaterialList()
+
+        return if (combinedList.size <= nData) {
+            combinedList // Jika jumlah data kurang dari nData, kembalikan semua
+        } else {
+            combinedList.shuffled().take(nData) // Acak dan ambil sejumlah nData
+        }
+    }
+
+
     fun clearMaterialList(filterMaterial: String) {
         sharedPreferences.edit().remove("material_list_$filterMaterial").apply()
     }

app/src/main/java/com/example/lexilearn/data/model/QuizState.kt

@@ -0,0 +1,9 @@
+package com.example.lexilearn.data.model
+
+sealed class QuizState {
+    data class QuestionLoaded(val question: MaterialDataModel, val totalScore: Int) : QuizState()
+    data class AnswerCorrect(val score: Int, val totalScore: Int) : QuizState()
+    data class AnswerWrong(val wrongAttempts: Int) : QuizState()
+    data class QuizFinished(val totalScore: Int) : QuizState()
+    data class Error(val message: String) : QuizState()
+}

app/src/main/java/com/example/lexilearn/data/remote/FirebaseHelper.kt

@@ -36,6 +36,44 @@ class FirebaseHelper(private val context: Context) {
         })
     }
 
+    fun fetchAllMaterials(callback: (List<MaterialDataModel>) -> Unit) {
+        val databaseReference: DatabaseReference = FirebaseDatabase.getInstance().getReference("data")
+
+        databaseReference.addListenerForSingleValueEvent(object : ValueEventListener {
+            override fun onDataChange(snapshot: DataSnapshot) {
+                val allMaterials = mutableListOf<MaterialDataModel>()
+
+                for (categorySnapshot in snapshot.children) { // Loop setiap kategori (animal, limb, dll.)
+                    val categoryKey = categorySnapshot.key ?: continue
+                    val materialList = mutableListOf<MaterialDataModel>()
+
+                    for (materialSnapshot in categorySnapshot.children) { // Loop setiap item dalam kategori
+                        val material = materialSnapshot.getValue(MaterialDataModel::class.java)
+                        material?.let {
+                            allMaterials.add(it)  // Tambahkan ke list utama
+                            materialList.add(it)  // Tambahkan ke list per kategori
+                        }
+                    }
+
+                    // Simpan berdasarkan kategori (misalnya "animal", "limb", dll.)
+                    sharedPrefHelper.saveMaterialList(categoryKey, materialList)
+                }
+
+                // Simpan semua data ke SharedPreferences dengan key "all"
+                sharedPrefHelper.saveMaterialList("all", allMaterials)
+
+                // Callback dengan seluruh data sebagai satu List<MaterialDataModel>
+                callback(allMaterials)
+            }
+
+            override fun onCancelled(error: DatabaseError) {
+                Log.e("FirebaseHelper", "Error fetching all materials: ${error.message}")
+                callback(emptyList()) // Jika terjadi error, kembalikan list kosong
+            }
+        })
+    }
+
+
     // ✅ 🔥 Fungsi Login - Mencari user berdasarkan email dan password
     fun loginUser(email: String, password: String, callback: (Boolean, String?) -> Unit) {
         val databaseReference: DatabaseReference = FirebaseDatabase.getInstance().getReference("users")

app/src/main/java/com/example/lexilearn/data/repository/MaterialRepository.kt

@@ -27,6 +27,22 @@ class MaterialRepository(private val context: Context) {
         }
     }
 
+    fun getAllMaterialData(filterMaterial: String, callback: (List<MaterialDataModel>) -> Unit) {
+        val cachedData =
+            sharedPrefHelper.getMaterialList(filterMaterial)  // Ambil data dengan filter
+        if (cachedData != null) {
+            callback(cachedData)
+        } else {
+            firebaseHelper.fetchAllMaterials { materials ->
+                sharedPrefHelper.saveMaterialList(
+                    filterMaterial,
+                    materials
+                )
+                callback(materials)
+            }
+        }
+    }
+
     fun createUser(user: UserModel, callback: (Boolean, String?) -> Unit) {
         val databaseReference = FirebaseDatabase.getInstance().getReference("users")
 

app/src/main/java/com/example/lexilearn/data/repository/QuizRepository.kt

@@ -13,7 +13,11 @@ class QuizRepository {
     /**
      * Fungsi ini akan membuat soal dengan mode soal & jawaban yang DITENTUKAN oleh parameter.
      */
-    fun generateQuestion(material: MaterialDataModel, questionMode: Int, answerMode: Int): QuizQuestion {
+    fun generateQuestion(
+        material: MaterialDataModel,
+        questionMode: Int,
+        answerMode: Int
+    ): QuizQuestion {
         val questionType = when (questionMode) {
             1 -> listOf(QuestionType.TEXT, QuestionType.IMAGE).random()  // Text atau Image
             2 -> QuestionType.AUDIO  // Hanya Audio
@@ -47,8 +51,23 @@ class QuizRepository {
      */
     fun generateRandomQuestion(material: MaterialDataModel): QuizQuestion {
         val randomQuestionMode = Random.nextInt(1, 3) // Acak antara 1 (Text/Image) atau 2 (Audio)
-        val randomAnswerMode = Random.nextInt(1, 3)   // Acak antara 1 (FULL_WORD) atau 2 (SHUFFLED_LETTERS)
+        val randomAnswerMode =
+            Random.nextInt(1, 3)   // Acak antara 1 (FULL_WORD) atau 2 (SHUFFLED_LETTERS)
 
         return generateQuestion(material, randomQuestionMode, randomAnswerMode)
     }
+
+    fun getRandomMaterials(
+        nData: Int,
+        materials: List<MaterialDataModel>,
+        callback: (List<MaterialDataModel>) -> Unit
+    ) {
+        if (materials.isNotEmpty()) {
+            val randomMaterials = materials.shuffled().take(nData)
+            callback(randomMaterials)
+        } else {
+            callback(emptyList())
+        }
+    }
+
 }

app/src/main/java/com/example/lexilearn/ui/views/pHome/HomeScreen.kt

@@ -3,15 +3,21 @@ package com.example.lexilearn.ui.views.pHome
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
@@ -35,6 +41,7 @@ import androidx.navigation.NavController
 import com.example.lexilearn.R
 import com.example.lexilearn.ui.components.AutoSizeText
 import com.example.lexilearn.ui.components.ButtonHome
+import com.example.lexilearn.ui.theme.cAccent
 import com.example.lexilearn.ui.theme.cGray
 import com.example.lexilearn.ui.theme.cTextPrimary
 import com.example.lexilearn.ui.theme.cprimary
@@ -48,6 +55,7 @@ import com.example.lexilearn.ui.theme.cwhite
 fun HomeScreen(navController: NavController) {
     val viewModel: HomeViewModel = viewModel()
     val scrollState = rememberScrollState()
+    val leaderBoard = listOf("Tono (987)", "Budi (965)")
 
     Column(
         modifier = Modifier
@@ -116,26 +124,82 @@ fun HomeScreen(navController: NavController) {
                     )
                 )
         ) {
-            Column(Modifier.padding(14.dp)) {
             Row(
                 horizontalArrangement = Arrangement.SpaceBetween,
-                    verticalAlignment = Alignment.Bottom,
+                modifier = Modifier
-                    modifier = Modifier.fillMaxWidth()
+                    .fillMaxWidth()
+                    .padding(14.dp)
             ) {
+                Column {
                     Text(
-                        text = "Materi Terselesaikan",
+                        text = "Leaderboard hari ini :",
                         color = ctextWhite,
                         fontWeight = FontWeight.Bold,
                         fontSize = 16.sp
                     )
-                    Image(
+                    Spacer(modifier = Modifier.height(10.dp))
-                        painter = painterResource(id = R.drawable.bg_children),
+                    LazyColumn {
-                        contentDescription = "image",
+                        itemsIndexed(leaderBoard) { index, player ->
-                        modifier = Modifier.size(80.dp)
+                            Text(
+                                text = "${index + 1}. $player",
+                                color = cAccent,
+                                fontWeight = FontWeight.Bold,
+                                fontSize = 14.sp
                             )
                         }
                     }
                 }
+                Box(
+                    modifier = Modifier
+                        .background(
+                            color = cprimary,
+                            shape = RoundedCornerShape(12.dp)
+                        )
+                        .width(160.dp)
+                        .clickable {
+                            viewModel.prepareCompetitionQuiz {dataMaterial->
+                                navController.currentBackStackEntry
+                                    ?.savedStateHandle
+                                    ?.set("selectedMaterialList", dataMaterial)
+                                navController.currentBackStackEntry
+                                    ?.savedStateHandle
+                                    ?.set("typeQuiz", "competition")
+                                navController.currentBackStackEntry
+                                    ?.savedStateHandle
+                                    ?.set("indexValue", 0)
+                                navController.navigate("quizScreen")
+                            }
+                        }
+                ) {
+                    Column(
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        modifier = Modifier.padding(8.dp)
+                    ) {
+                        Text(
+                            text = "Competition",
+                            color = cAccent,
+                            fontWeight = FontWeight.Bold,
+                            fontSize = 16.sp
+                        )
+                        Image(
+                            painter = painterResource(id = R.drawable.trophy),
+                            contentDescription = "image",
+                            modifier = Modifier
+                                .size(60.dp)
+                                .padding(4.dp)
+                        )
+                        Text(
+                            text = "Tantang dirimu dan raih peringkat tertinggi di leaderboard hari ini!",
+                            color = ctextWhite,
+                            textAlign = TextAlign.Center,
+                            fontSize = 9.sp
+                        )
+                    }
+
+                }
+
+            }
+        }
         Column(
             modifier = Modifier
                 .fillMaxWidth()

app/src/main/java/com/example/lexilearn/ui/views/pHome/HomeViewModel.kt

@@ -1,6 +1,25 @@
 package com.example.lexilearn.ui.views.pHome
 
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
+import com.example.lexilearn.data.model.MaterialDataModel
+import com.example.lexilearn.data.model.QuizState
+import com.example.lexilearn.data.repository.MaterialRepository
+import com.example.lexilearn.data.repository.QuizRepository
 
-class HomeViewModel: ViewModel() {
+class HomeViewModel(application: Application) : AndroidViewModel(application) {
+    private val _materialRepository = MaterialRepository(application)
+    private val _quizRepository = QuizRepository()
+
+    fun prepareCompetitionQuiz(callback: (List<MaterialDataModel>) -> Unit) {
+        _materialRepository.getAllMaterialData("all") { materials ->
+            _quizRepository.getRandomMaterials(10, materials) { randomData ->
+                randomData.forEach { println(it) }
+                callback(randomData)
+            }
+        }
+    }
 }

app/src/main/java/com/example/lexilearn/ui/views/pQuiz/QuizScreen.kt

@@ -96,6 +96,7 @@ fun QuizScreen(
     val minSize = 70.dp
     val dataQuiz by quizViewModel.questionShuffled.collectAsState()
     val listAnswer by quizViewModel.shuffledAnswerLetters.collectAsState()
+    val score by quizViewModel.totalScore.observeAsState(0)
 
     val quizXOffset = remember {
         mutableStateMapOf<Int, Float>()
@@ -138,14 +139,15 @@ fun QuizScreen(
 
     LaunchedEffect(Unit) {
         quizViewModel.initMaterialData(materials)
+        quizViewModel.startQuiz(materials)
     }
 
     LaunchedEffect(indexQuiz) {
-        println("indexQuizValue = $indexQuiz")
         if (indexQuiz < materials.size) {
             clearOffsets()
             quizViewModel.randomQuestion()
         } else {
+            if (typeQuiz != "competition") {
                 navController.getBackStackEntry("navMaterial/$typeQuiz")
                     .savedStateHandle
                     .set("numberUnlock", indexValue + 1)
@@ -155,6 +157,7 @@ fun QuizScreen(
                 navController.popBackStack()
             }
         }
+    }
     LaunchedEffect(snackbarMessage) {
         snackbarMessage?.let { message ->
             snackbarHostState.showSnackbar(message)
@@ -171,7 +174,7 @@ fun QuizScreen(
         ) {
             GradientQuiz(
                 navController = navController,
-                headerText = stringResource(id = R.string.spelltitle),
+                headerText = "${typeQuiz}-(${score})",
                 modifier = Modifier.fillMaxSize()
             ) {
                 ConstraintLayout {

app/src/main/java/com/example/lexilearn/ui/views/pQuiz/QuizViewModel.kt

@@ -11,6 +11,7 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
 import com.example.lexilearn.data.model.MaterialDataModel
 import com.example.lexilearn.data.model.QuizQuestion
+import com.example.lexilearn.data.model.QuizState
 import com.example.lexilearn.data.repository.QuizRepository
 import com.example.lexilearn.domain.models.ModelAnswerRead
 import com.example.lexilearn.domain.models.ModelSpell
@@ -19,12 +20,12 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import java.util.Locale
+import kotlin.random.Random
 
 class QuizViewModel(application: Application) : AndroidViewModel(application),
     TextToSpeech.OnInitListener {
     private val quizRepository = QuizRepository()
 
-
     private var materialList: List<MaterialDataModel> = emptyList()
 
     private val _currentQuestion = MutableStateFlow<QuizQuestion?>(null)
@@ -78,30 +79,17 @@ class QuizViewModel(application: Application) : AndroidViewModel(application),
         materialList = material;
     }
 
-//    fun randomQuestion() {
-//        _currentQuestion.value = quizRepository.generateQuestion(materialList[_indexQuiz.value], 2, 2)
-//        val dataQuest =
-//            _currentQuestion.value?.correctAnswer?.correctWord?.mapIndexed { index, char ->
-//                ModelSpell(index + 1, true, data = "coba $char", showCard = false)
-//            } ?: emptyList()
-//        _questionShuffled.value = dataQuest
-//
-//        val listAnswer =
-//            _currentQuestion.value?.correctAnswer?.correctWord?.mapIndexed { index, char ->
-//                ModelAnswerRead(index + 1, char.toString())
-//            } ?: emptyList()
-//        val shuflledAnswer = listAnswer.shuffled()
-//        _shuffledAnswerLetters.value = shuflledAnswer
-//        println("testlistanswer ${_shuffledAnswerLetters.value}")
-//    }
-// Di dalam fungsi randomQuestion() pada QuizViewModel
-fun randomQuestion() {
-    _currentQuestion.value = quizRepository.generateQuestion(materialList[_indexQuiz.value], 2, 2)
 
-    // Generate unique IDs berdasarkan indexQuiz dan indeks karakter
+    fun randomQuestion() {
-    val dataQuest = _currentQuestion.value?.correctAnswer?.correctWord?.mapIndexed { index, char ->
+        val randomQuestionMode = Random.nextInt(1, 3)
+
+        _currentQuestion.value =
+            quizRepository.generateQuestion(materialList[_indexQuiz.value], randomQuestionMode, 2)
+
+        val dataQuest =
+            _currentQuestion.value?.correctAnswer?.correctWord?.mapIndexed { index, char ->
                 ModelSpell(
-            id = (_indexQuiz.value * 100) + index + 1, // ID unik per pertanyaan
+                    id = (_indexQuiz.value * 100) + index + 1,
                     type = true,
                     data = "?",
                     showCard = false
@@ -109,22 +97,17 @@ fun randomQuestion() {
             } ?: emptyList()
         _questionShuffled.value = dataQuest
 
-    val listAnswer = _currentQuestion.value?.correctAnswer?.correctWord?.mapIndexed { index, char ->
+        val listAnswer =
+            _currentQuestion.value?.correctAnswer?.correctWord?.mapIndexed { index, char ->
                 ModelAnswerRead(
                     id = (_indexQuiz.value * 100) + index + 1, // ID unik per pertanyaan
                     data = char.toString()
                 )
             } ?: emptyList()
         _shuffledAnswerLetters.value = listAnswer.shuffled()
-}
-
-
-    fun submitAnswer(answer: String) {
-        _userAnswer.value = answer
-        _isAnswerCorrect.value =
-            _currentQuestion.value?.correctAnswer?.correctWord?.equals(answer, ignoreCase = true)
     }
 
+
     private var tts: TextToSpeech? = null
     private val _isTTSInitialized = MutableLiveData(false)
     val isTTSInitialized: LiveData<Boolean> = _isTTSInitialized
@@ -171,8 +154,10 @@ fun randomQuestion() {
                     val checkData = checkAnswer(answerString);
                     if (checkData) {
                         triggerSnackbar("Jawaban Benar")
+                        submitAnswer(true)
                         incrementIndexQuiz()
                     } else {
+                        submitAnswer(false)
                         triggerSnackbar("Jawaban Salah")
                     }
                     _isButtonVisible.value = true
@@ -197,4 +182,90 @@ fun randomQuestion() {
         tts?.shutdown()
         super.onCleared()
     }
+
+    // competition ====================================================================
+    private val _quizState = MutableLiveData<QuizState>()
+    val quizState: LiveData<QuizState> get() = _quizState
+
+    private val _currentScore = MutableLiveData(0)  // Skor untuk soal saat ini
+    val currentScore: LiveData<Int> get() = _currentScore
+
+    private val _totalScore = MutableLiveData(0)  // Total skor sepanjang sesi
+    val totalScore: LiveData<Int> get() = _totalScore
+
+    private var questionList = listOf<MaterialDataModel>()
+    private var currentQuestionIndex = 0
+    private var wrongAttempts = 0
+    private var startTime: Long = 0
+
+    // Konstanta untuk scoring
+    private val baseScore = 100
+    private val safeTime = 5
+    private val timePenalty = 3
+    private val wrongPenalty = 5
+    private val minScore = 50
+    private val bonusQuick = 10
+
+    /** 1️⃣ Memulai Kuis **/
+    fun startQuiz(materials: List<MaterialDataModel>) {
+        if (materials.isNotEmpty()) {
+            questionList = materials
+            currentQuestionIndex = 0
+            _totalScore.value = 0  // Reset skor saat mulai
+            _currentScore.value = 0
+            wrongAttempts = 0
+            startTime = System.currentTimeMillis()
+            _quizState.value =
+                QuizState.QuestionLoaded(questionList[currentQuestionIndex], _totalScore.value ?: 0)
+        } else {
+            _quizState.value = QuizState.Error("Tidak ada soal tersedia")
+        }
+    }
+
+    /** 2️⃣ Dipanggil saat jawaban dikirim **/
+    fun submitAnswer(isCorrect: Boolean) {
+        val responseTime =
+            ((System.currentTimeMillis() - startTime) / 1000).toInt() // Hitung waktu otomatis
+
+        if (isCorrect) {
+            val score = calculateScore(responseTime, wrongAttempts)
+            _currentScore.value = score
+            _totalScore.value = (_totalScore.value ?: 0) + score  // Update total skor
+            moveToNextQuestion()
+        } else {
+            wrongAnswer()
+        }
+    }
+
+    /** 3️⃣ Dipanggil saat jawaban salah **/
+    fun wrongAnswer() {
+        wrongAttempts += 1
+        _quizState.value = QuizState.AnswerWrong(wrongAttempts)
+    }
+
+    /** 4️⃣ Berganti ke soal berikutnya **/
+    private fun moveToNextQuestion() {
+        if (currentQuestionIndex < questionList.size - 1) {
+            currentQuestionIndex++
+            wrongAttempts = 0
+            startTime = System.currentTimeMillis()
+            _quizState.value =
+                QuizState.QuestionLoaded(questionList[currentQuestionIndex], _totalScore.value ?: 0)
+        } else {
+            _quizState.value = QuizState.QuizFinished(_totalScore.value ?: 0)
+        }
+    }
+
+    /** 🔢 Perhitungan Skor **/
+    private fun calculateScore(responseTime: Int, wrongAttempts: Int): Int {
+        val penaltyTime = maxOf(0, responseTime - safeTime) * timePenalty
+        val penaltyWrong = wrongAttempts * wrongPenalty
+        var score = baseScore - penaltyTime - penaltyWrong
+
+        if (responseTime <= 3) {
+            score += bonusQuick
+        }
+
+        return maxOf(minScore, score)
+    }
 }