Initial commit: HelpDesk ICHN - .NET 10 backend + Next.js 16 frontend

frontend/src/lib/auth.tsx

@@ -0,0 +1,64 @@
+"use client";
+
+import React, { createContext, useContext, useState, useEffect, useCallback } from "react";
+import { getMe, login as apiLogin, type User } from "./api";
+
+interface AuthContextType {
+  user: User | null;
+  login: (email: string, password: string) => Promise<void>;
+  logout: () => void;
+  isAuthenticated: boolean;
+  isLoading: boolean;
+}
+
+const AuthContext = createContext<AuthContextType>({
+  user: null,
+  login: async () => {},
+  logout: () => {},
+  isAuthenticated: false,
+  isLoading: true,
+});
+
+export function AuthProvider({ children }: { children: React.ReactNode }) {
+  const [user, setUser] = useState<User | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    const token = localStorage.getItem("helpdesk_token");
+    if (token) {
+      getMe()
+        .then((u) => {
+          setUser(u);
+        })
+        .catch(() => {
+          localStorage.removeItem("helpdesk_token");
+        })
+        .finally(() => setIsLoading(false));
+    } else {
+      setIsLoading(false);
+    }
+  }, []);
+
+  const login = useCallback(async (email: string, password: string) => {
+    const { token, user } = await apiLogin(email, password);
+    localStorage.setItem("helpdesk_token", token);
+    setUser(user);
+  }, []);
+
+  const logout = useCallback(() => {
+    localStorage.removeItem("helpdesk_token");
+    setUser(null);
+  }, []);
+
+  return (
+    <AuthContext.Provider
+      value={{ user, login, logout, isAuthenticated: !!user, isLoading }}
+    >
+      {children}
+    </AuthContext.Provider>
+  );
+}
+
+export function useAuth() {
+  return useContext(AuthContext);
+}