fix: fixing score bug

src/js/firstperson.js

@@ -66,7 +66,7 @@ function selectAnswer(e){
     const isCorrect = selectedBtn.dataset.correct === "true";
     if(isCorrect){
         selectedBtn.classList.add("correct");
-        score++;
+        score += 10;
     } else {
         selectedBtn.classList.add("Incorrect");
     }
@@ -83,8 +83,6 @@ function showScore(){
     resetState();
     const show = questionElement.innerHTML = `you scored ${score} out of ${questions.length}!`;
     postScore(score);
-    alert(show);
-    window.location.href = "../leaderboard.php"
 }
 
 function handleNextBtn(){
@@ -108,10 +106,21 @@ function postScore(score){
     fetch('/score.php', {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ score })
+        body: JSON.stringify({ score:   score })
     })
-    .then(r => r.text())
-    .then(t => console.log("Server response:", t))
-    .catch(err => console.error("Fetch error:", err));
+    .then(r => r.json())
+    .then(data => {
+        console.log("Server response:", data);
+        
+        if(data.success || data.message === "Score accumulated") {
+            window.location.href = "../leaderboard.php"; 
+        } else {
+             window.location.href = "../leaderboard.php"; 
+        }
+    })
+    .catch(err => {
+        console.error("Fetch error:", err);
+        alert("Terjadi kesalahan koneksi.");
+    });
 }
 startQuiz()

src/score.php

@@ -19,15 +19,20 @@ if (!$user_id) {
     exit;
 }
 
-$stmt = $db->prepare("INSERT INTO scores (id, score) VALUES (?, ?)");
-$stmt->bind_param("ii", $user_id, $score);
+$sql = "UPDATE users SET score = score + ? where id =? ";
+$stmt = $db ->prepare($sql);
 
+if ($stmt){
+    $stmt->bind_param("ii",$score,$user_id);
     if($stmt->execute()){
-    echo json_encode(["success" => true]);
+        echo json_encode(["success" => true, "message" => "Score accumulated"]);
     }else{
-    echo json_encode(["error" => "insert failed"]);
+        echo json_encode(["error" => "update failed: " . $stmt->error]);
+    }
+    $stmt->close();
+}else{
+    echo json_encode(["error" => "stetment prep failed"]);
 }
 
-$stmt->close();
 $db->close();
 ?>