From 466a421974d6eb3278c5318d23fb2ef75b857432 Mon Sep 17 00:00:00 2001
From: Jevinca Marvella <mjevincamarvella@gmail.com>
Date: Mon, 1 Dec 2025 21:32:17 +0700
Subject: [PATCH] Logout js

---
 Logout.js | 142 ++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 133 insertions(+), 9 deletions(-)

diff --git a/Logout.js b/Logout.js
index 808ca8e..bca6b26 100644
--- a/Logout.js
+++ b/Logout.js
@@ -1,12 +1,136 @@
-async function logout() {
-    // Panggil PHP untuk hapus session (opsional)
-    await fetch("http://localhost/Kelompok06_2048/Logout.php", {
-        method: "POST"
-    });
+// ==========================
+// LOGOUT SYSTEM WITH PHP INTEGRATION
+// ==========================
 
-    // Hapus token & username dari localStorage
-    localStorage.removeItem("authToken");
-    localStorage.removeItem("username");
+document.addEventListener("DOMContentLoaded", () => {
+    checkLoginStatus();
+    setupLogoutListeners();
+});
 
-    window.location.href = "Homepage.html";
+// Cek status login dan update button
+function checkLoginStatus() {
+    const loggedInUser = sessionStorage.getItem("loggedInUser");
+    const authToken = localStorage.getItem("authToken"); // Cek token juga
+    const loginBtn = document.querySelector('.login-btn, .logout-btn'); // Cari button
+    
+    if (!loginBtn) return;
+    
+    // Kalau ada user login ATAU ada authToken
+    if (loggedInUser || authToken) {
+        // User sudah login - ubah jadi logout button
+        loginBtn.textContent = 'Logout';
+        loginBtn.className = 'logout-btn'; // Set class langsung
+        loginBtn.onclick = showLogoutConfirmation;
+    } else {
+        // User belum login - tampilkan login button
+        loginBtn.textContent = 'Login';
+        loginBtn.className = 'login-btn'; // Set class langsung
+        loginBtn.onclick = () => window.location.href = 'Login.html';
+    }
+}
+
+// Setup event listeners untuk logout modals
+function setupLogoutListeners() {
+    const btnLogoutCancel = document.getElementById('btn-logout-cancel');
+    const btnLogoutConfirm = document.getElementById('btn-logout-confirm');
+    const logoutOverlay = document.getElementById('logout-overlay');
+    
+    if (btnLogoutCancel) {
+        btnLogoutCancel.addEventListener('click', hideLogoutConfirmation);
+    }
+    
+    if (btnLogoutConfirm) {
+        btnLogoutConfirm.addEventListener('click', performLogout);
+    }
+    
+    // Close modal ketika klik di luar
+    if (logoutOverlay) {
+        logoutOverlay.addEventListener('click', (e) => {
+            if (e.target === logoutOverlay) {
+                hideLogoutConfirmation();
+            }
+        });
+    }
+}
+
+// Tampilkan konfirmasi logout
+function showLogoutConfirmation() {
+    const overlay = document.getElementById('logout-overlay');
+    if (overlay) {
+        overlay.style.display = 'flex';
+    }
+}
+
+// Sembunyikan konfirmasi logout
+function hideLogoutConfirmation() {
+    const overlay = document.getElementById('logout-overlay');
+    if (overlay) {
+        overlay.style.display = 'none';
+    }
+}
+
+// Perform logout dengan integrasi PHP
+async function performLogout() {
+    try {
+        // Panggil PHP untuk hapus session
+        const response = await fetch("http://localhost/Kelompok06_2048/Logout.php", {
+            method: "POST",
+            headers: {
+                'Content-Type': 'application/json'
+            }
+        });
+
+        const result = await response.json();
+        
+        // Hapus data dari localStorage & sessionStorage
+        localStorage.removeItem("authToken");
+        localStorage.removeItem("username");
+        sessionStorage.removeItem("loggedInUser");
+        sessionStorage.removeItem("showTutorial");
+        
+        // Sembunyikan confirmation modal
+        hideLogoutConfirmation();
+        
+        // Tampilkan success modal
+        showLogoutSuccess();
+        
+        // Setelah 2 detik, reload/redirect ke homepage
+        setTimeout(() => {
+            window.location.href = "Homepage.html";
+        }, 2000);
+        
+    } catch (error) {
+        console.error("Logout error:", error);
+        
+        // Kalau gagal koneksi ke PHP, tetap logout dari client side
+        localStorage.removeItem("authToken");
+        localStorage.removeItem("username");
+        sessionStorage.removeItem("loggedInUser");
+        sessionStorage.removeItem("showTutorial");
+        
+        // Tampilkan error modal (opsional)
+        showLogoutError();
+        
+        // Tetap redirect setelah 2 detik
+        setTimeout(() => {
+            window.location.href = "Homepage.html";
+        }, 2000);
+    }
+}
+
+// Tampilkan logout success
+function showLogoutSuccess() {
+    const overlay = document.getElementById('logout-success-overlay');
+    if (overlay) {
+        overlay.style.display = 'flex';
+    }
+}
+
+// Tampilkan logout error (OPSIONAL - tambahkan modal error jika mau)
+function showLogoutError() {
+    // Bisa pakai alert sederhana atau buat modal error sendiri
+    console.log("Logout gagal terhubung ke server, tapi data lokal sudah dihapus");
+    
+    // Atau tetap tampilkan success (karena client-side logout berhasil)
+    showLogoutSuccess();
 }
\ No newline at end of file