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import { createContext, useContext, useEffect, useState } from "react";
import { createClient, Session, User } from "@supabase/supabase-js";
import { useRouter, usePathname } from "next/navigation";
const SUPABASE_URL = process.env.NEXT_PUBLIC_SUPABASE_URL || "";
const SUPABASE_ANON_KEY = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY || "";
const supabase = createClient(SUPABASE_URL, SUPABASE_ANON_KEY);
interface AuthContextType {
user: User | null;
session: Session | null;
loading: boolean;
signOut: () => Promise<void>;
role: string | null;
}
const AuthContext = createContext<AuthContextType>({
user: null,
session: null,
loading: true,
signOut: async () => {},
role: null,
});
export const AuthProvider = ({ children }: { children: React.ReactNode }) => {
const [user, setUser] = useState<User | null>(null);
const [session, setSession] = useState<Session | null>(null);
const [loading, setLoading] = useState(true);
const [role, setRole] = useState<string | null>(null);
const router = useRouter();
const pathname = usePathname();
useEffect(() => {
supabase.auth.getSession().then(({ data: { session } }) => {
handleSession(session);
});
const {
data: { subscription },
} = supabase.auth.onAuthStateChange((_event, session) => {
handleSession(session);
});
return () => subscription.unsubscribe();
}, []);
const handleSession = async (session: Session | null) => {
setSession(session);
if (session?.user) {
setUser(session.user);
const storedUser = localStorage.getItem("user");
let currentRole = "user";
if (storedUser) {
try {
const parsed = JSON.parse(storedUser);
if (parsed.email === session.user.email) {
currentRole = parsed.role || "user";
}
} catch (e) {
console.error("Error parsing stored user", e);
}
}
setRole(currentRole);
redirectToDashboard(currentRole);
} else {
const storedUser = localStorage.getItem("user");
const token = localStorage.getItem("token");
if (storedUser && token) {
try {
const parsed = JSON.parse(storedUser);
if (["admin", "worker"].includes(parsed.role)) {
setUser({
id: parsed.id,
email: parsed.email,
user_metadata: { full_name: parsed.name },
app_metadata: {},
aud: "authenticated",
created_at: new Date().toISOString(),
} as User);
setRole(parsed.role);
redirectToDashboard(parsed.role);
setLoading(false);
return;
}
} catch (e) {
console.error("Error parsing stored staff user", e);
}
}
setUser(null);
setRole(null);
if (!["/signin", "/signup", "/"].includes(window.location.pathname)) {
router.push("/signin");
}
}
setLoading(false);
};
const redirectToDashboard = (role: string) => {
if (["/signin", "/signup"].includes(window.location.pathname)) {
if (role === "admin") router.push("/admin");
else if (role === "worker") router.push("/worker");
else router.push("/user");
}
};
const signOut = async () => {
await supabase.auth.signOut();
localStorage.removeItem("user");
localStorage.removeItem("token");
localStorage.removeItem("supabase_token");
setRole(null);
setUser(null);
setSession(null);
router.push("/signin");
};
return (
<AuthContext.Provider value={{ user, session, loading, signOut, role }}>
{!loading ? (
children
) : (
<div className="min-h-screen flex items-center justify-center bg-slate-50">
<div className="animate-spin rounded-full h-8 w-8 border-t-2 border-b-2 border-slate-900"></div>
</div>
)}
</AuthContext.Provider>
);
};
export const useAuth = () => useContext(AuthContext);
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