feat: redesign superadmin agencies list, implement flat design, add date filters, and fix UI bugs

front-end-agency/lib/auth.ts

@@ -0,0 +1,79 @@
+/**
+ * Auth utilities - Gerenciamento de autenticação no cliente
+ */
+
+export interface User {
+    id: string;
+    email: string;
+    name: string;
+    role: string;
+    tenantId?: string;
+    company?: string;
+    subdomain?: string;
+}
+
+const TOKEN_KEY = 'token';
+const USER_KEY = 'user';
+
+/**
+ * Salva token e dados do usuário no localStorage
+ */
+export function saveAuth(token: string, user: User): void {
+    if (typeof window === 'undefined') return;
+
+    localStorage.setItem(TOKEN_KEY, token);
+    localStorage.setItem(USER_KEY, JSON.stringify(user));
+}
+
+/**
+ * Retorna o token JWT armazenado
+ */
+export function getToken(): string | null {
+    if (typeof window === 'undefined') return null;
+    return localStorage.getItem(TOKEN_KEY);
+}
+
+/**
+ * Retorna os dados do usuário armazenados
+ */
+export function getUser(): User | null {
+    if (typeof window === 'undefined') return null;
+
+    const userStr = localStorage.getItem(USER_KEY);
+    if (!userStr) return null;
+
+    try {
+        return JSON.parse(userStr);
+    } catch {
+        return null;
+    }
+}
+
+/**
+ * Verifica se o usuário está autenticado
+ */
+export function isAuthenticated(): boolean {
+    return !!getToken() && !!getUser();
+}
+
+/**
+ * Remove token e dados do usuário (logout)
+ */
+export function clearAuth(): void {
+    if (typeof window === 'undefined') return;
+
+    localStorage.removeItem(TOKEN_KEY);
+    localStorage.removeItem(USER_KEY);
+}
+
+/**
+ * Retorna headers com Authorization para requisições autenticadas
+ */
+export function getAuthHeaders(): HeadersInit {
+    const token = getToken();
+
+    return {
+        'Content-Type': 'application/json',
+        ...(token ? { 'Authorization': `Bearer ${token}` } : {}),
+    };
+}