feat: add restore functionality to backup manager

frontend/src/components/admin/BackupManager.tsx

@@ -21,6 +21,7 @@ interface BackupsListResponse {
 
 export function BackupManager() {
   const [loading, setLoading] = useState(false);
+  const [restoreLoading, setRestoreLoading] = useState<string | null>(null);
   const [backups, setBackups] = useState<BackupInfo[]>([]);
   const [listLoading, setListLoading] = useState(true);
   const { success, error: showError } = useToast();
@@ -33,12 +34,9 @@ export function BackupManager() {
   const fetchBackups = async () => {
     try {
       setListLoading(true);
-      const token = localStorage.getItem('auth_token') || '';
       
       const response = await fetch('/api/backup', {
-        headers: {
-          'Authorization': `Bearer ${token}`
-        }
+        method: 'GET'
       });
 
       if (response.ok) {
@@ -57,12 +55,10 @@ export function BackupManager() {
   const createBackup = async () => {
     try {
       setLoading(true);
-      const token = localStorage.getItem('auth_token') || '';
 
       const response = await fetch('/api/backup', {
         method: 'POST',
         headers: {
-          'Authorization': `Bearer ${token}`,
           'Content-Type': 'application/json'
         }
       });
@@ -90,13 +86,8 @@ export function BackupManager() {
     }
 
     try {
-      const token = localStorage.getItem('auth_token') || '';
-
       const response = await fetch(`/api/backup?id=${backupId}`, {
-        method: 'DELETE',
-        headers: {
-          'Authorization': `Bearer ${token}`
-        }
+        method: 'DELETE'
       });
 
       const data = await response.json();
@@ -114,13 +105,7 @@ export function BackupManager() {
 
   const downloadBackup = async (filename: string) => {
     try {
-      const token = localStorage.getItem('auth_token') || '';
-      
-      const response = await fetch(`/api/backup/download?file=${filename}`, {
-        headers: {
-          'Authorization': `Bearer ${token}`
-        }
-      });
+      const response = await fetch(`/api/backup/download?file=${filename}`);
 
       if (response.ok) {
         const blob = await response.blob();
@@ -140,6 +125,32 @@ export function BackupManager() {
     }
   };
 
+  const restoreBackup = async (filename: string) => {
+    if (!window.confirm('⚠️ AVISO: A restauração substituirá todo o banco de dados!\n\nTem certeza que deseja restaurar este backup?')) {
+      return;
+    }
+
+    try {
+      setRestoreLoading(filename);
+
+      const response = await fetch(`/api/backup/restore?file=${filename}`, {
+        method: 'POST'
+      });
+
+      const data = await response.json();
+
+      if (response.ok) {
+        success('Backup restaurado com sucesso! Por favor, recarregue a página.');
+      } else {
+        showError(data.error || 'Erro ao restaurar backup');
+      }
+    } catch (err) {
+      showError('Erro ao restaurar backup: ' + (err as Error).message);
+    } finally {
+      setRestoreLoading(null);
+    }
+  };
+
   const formatSize = (bytes: number) => {
     if (bytes === 0) return '0 B';
     const k = 1024;
@@ -236,6 +247,18 @@ export function BackupManager() {
                 </div>
 
                 <div className="flex items-center gap-2 shrink-0">
+                  <button
+                    onClick={() => restoreBackup(backup.filename)}
+                    disabled={restoreLoading === backup.filename}
+                    title="Restaurar backup"
+                    className="p-2 hover:bg-amber-100 dark:hover:bg-amber-900/20 rounded-lg transition-colors text-amber-600 dark:text-amber-400 disabled:opacity-50 disabled:cursor-not-allowed"
+                  >
+                    {restoreLoading === backup.filename ? (
+                      <i className="ri-loader-4-line animate-spin text-xl"></i>
+                    ) : (
+                      <i className="ri-restart-line text-xl"></i>
+                    )}
+                  </button>
                   <button
                     onClick={() => downloadBackup(backup.filename)}
                     title="Baixar backup"