Improved footer design and add version display

Updated `base.html` to display current version and show update notifications

Adde github and telegram link in footer

core/scripts/webpanel/templates/base.html

@@ -15,6 +15,8 @@
     <!-- Theme style -->
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/admin-lte/3.2.0/css/adminlte.min.css">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/icheck-bootstrap@3.0.1/icheck-bootstrap.min.css">
+    <!-- SweetAlert2 -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/sweetalert2@11/dist/sweetalert2.min.css">
     {% block stylesheets %}{% endblock %}
 </head>
 
@@ -114,11 +116,26 @@
             {% block content %}{% endblock %}
         </div>
 
-        <!-- Footer -->
+<!-- Footer -->
-        <footer class="main-footer">
+<footer class="main-footer">
-            <strong>Copyright © 2023 <a href="https://github.com/ReturnFI/Hysteria2">Return-Hysteria2</a>.</strong>
+    <div class="d-flex justify-content-between align-items-center">
-        </footer>
+        <div>
+            <a href="https://github.com/ReturnFI/Hysteria2" target="_blank" class="text-decoration-none">
+                <span class="badge badge-secondary" style="font-size: 0.9rem;">
+                    <i class="fab fa-github"></i> GitHub
+                </span>
+            </a>
+            <a href="https://t.me/hysteria2_panel" target="_blank" class="text-decoration-none ml-2 mr-2">
+                <span class="badge bg-primary" style="font-size: 0.9rem;">
+                    <i class="fab fa-telegram"></i> Telegram
+                </span>
+            </a>
+            <span  class="badge badge-success" style="font-size: 0.9rem;">
+                <i class="fas fa-code-branch"></i> <span id="panel-version"></span>
+            </span>
+        </div>
     </div>
+</footer>
 
     <!-- REQUIRED SCRIPTS -->
     <!-- jQuery -->
@@ -127,6 +144,8 @@
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js"></script>
     <!-- AdminLTE App -->
     <script src="https://cdnjs.cloudflare.com/ajax/libs/admin-lte/3.2.0/js/adminlte.min.js"></script>
+    <!-- SweetAlert2 -->
+    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11/dist/sweetalert2.min.js"></script>
 
     <script>
         $(function () {
@@ -158,10 +177,48 @@
             }
     
             function updateIcon(enabled) {
-                darkModeIcon
+                darkModeIcon.removeClass("fa-moon fa-sun")
-                    .removeClass("fa-moon fa-sun")
                     .addClass(enabled ? "fa-sun" : "fa-moon");
             }
+
+            const versionUrl = "{{ url_for('get_version_info') }}";
+            $.ajax({
+                url: versionUrl,
+                type: 'GET',
+                success: function (response) {
+                    $('#panel-version').text(`Version: ${response.current_version}`);
+                },
+                error: function (error) {
+                    console.error("Error fetching version:", error);
+                    $('#panel-version').text('Version: Error');
+                }
+            });
+
+            const checkVersionUrl = "{{ url_for('check_version_info') }}"; 
+            $.ajax({
+                url: checkVersionUrl,
+                type: 'GET',
+                success: function (response) {
+                    if (!response.is_latest) {
+                        Swal.fire({
+                            title: 'Update Available!',
+                            html: `A new version of the panel is available: <b>${response.latest_version}</b><br><br>${response.changelog.replace(/\n/g, '<br>')}`,
+                            icon: 'info',
+                            showCancelButton: false,
+                            confirmButtonText: 'OK'
+                        });
+                    }
+                },
+                error: function (xhr, status, error) {
+                    console.error("Error checking for updates:", error);
+                    if (xhr.responseJSON && xhr.responseJSON.detail) {
+                        console.error("Server detail:", xhr.responseJSON.detail);
+                    }
+                }
+
+            });
+            $('.main-footer').addClass('d-flex justify-content-between');
+
         });
     </script>
     {% block javascripts %}{% endblock %}