<?php
session_start();
include "koneksi.php";

if (!isset($_SESSION['user_id'])) {
    echo json_encode(['success' => false]);
    exit;
}

$data = json_decode(file_get_contents('php://input'), true);
$user_id = $_SESSION['user_id'];
$balance = intval($data['balance']);

// Update balance di database
$sql = "UPDATE users SET balance = ? WHERE id = ?";
$stmt = mysqli_prepare($conn, $sql);
mysqli_stmt_bind_param($stmt, "ii", $balance, $user_id);

if (mysqli_stmt_execute($stmt)) {
    // Update session
    $_SESSION['balance'] = $balance;
    
    echo json_encode(['success' => true]);
} else {
    echo json_encode(['success' => false]);
}
?>