Validation_Suite/validation-suite/frontend/atlas/components/auth.tsx

71 lines
1.9 KiB
TypeScript

"use client";
import { useRouter } from "next/navigation";
import { createContext, useContext, useEffect, useMemo, useState } from "react";
import { apiGet, User } from "@/lib/api";
type AuthContextValue = {
token: string | null;
setToken: (value: string | null) => void;
logout: () => void;
user: User | null;
refreshUser: () => void;
};
const AuthContext = createContext<AuthContextValue | null>(null);
export function AuthProvider({ children }: { children: React.ReactNode }) {
const router = useRouter();
const [token, setTokenState] = useState<string | null>(null);
const [user, setUser] = useState<User | null>(null);
useEffect(() => {
const stored = window.localStorage.getItem("atlas_token");
setTokenState(stored);
if (!stored) return;
void apiGet<User>("/auth/me", stored).then(setUser).catch(() => setUser(null));
}, []);
useEffect(() => {
if (!token) {
setUser(null);
return;
}
void apiGet<User>("/auth/me", token).then(setUser).catch(() => setUser(null));
}, [token]);
const value = useMemo<AuthContextValue>(() => {
const setToken = (next: string | null) => {
setTokenState(next);
if (next) {
window.localStorage.setItem("atlas_token", next);
} else {
window.localStorage.removeItem("atlas_token");
}
};
return {
token,
setToken,
logout: () => {
setToken(null);
router.push("/login");
},
user,
refreshUser: () => {
if (token) {
void apiGet<User>("/auth/me", token).then(setUser).catch(() => setUser(null));
}
}
};
}, [router, token, user]);
return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
}
export function useAuth() {
const value = useContext(AuthContext);
if (!value) {
throw new Error("useAuth must be used inside AuthProvider");
}
return value;
}