etfoglasi-frontend/context/AuthContext.tsx

58 lines
1.9 KiB
TypeScript

import React, { createContext, useContext, useEffect, useState } from "react";
import AsyncStorage from "@react-native-async-storage/async-storage";
import { authApi, LoginPayload, RegisterPayload, JwtResponse } from "../services/api";
type User = { email: string; token: string };
type AuthContextValue = {
user: User | null;
loading: boolean;
login: (p: LoginPayload) => Promise<void>;
register: (p: RegisterPayload) => Promise<void>;
logout: () => Promise<void>;
};
const AuthContext = createContext<AuthContextValue | null>(null);
export function AuthProvider({ children }: { children: React.ReactNode }) {
const [user, setUser] = useState<User | null>(null);
const [loading, setLoading] = useState(true);
// Restore session on mount
useEffect(() => {
AsyncStorage.getItem("auth_user")
.then((raw) => { if (raw) setUser(JSON.parse(raw)); })
.finally(() => setLoading(false));
}, []);
const persist = async (u: User | null) => {
if (u) await AsyncStorage.setItem("auth_user", JSON.stringify(u));
else await AsyncStorage.removeItem("auth_user");
setUser(u);
};
const login = async (payload: LoginPayload) => {
const res = await authApi.login(payload);
await persist({ email: res.email, token: res.token });
};
const register = async (payload: RegisterPayload) => {
await authApi.register(payload);
// Auto-login after register
await login({ email: payload.email, password: payload.password });
};
const logout = () => persist(null);
return (
<AuthContext.Provider value={{ user, loading, login, register, logout }}>
{children}
</AuthContext.Provider>
);
}
export function useAuth() {
const ctx = useContext(AuthContext);
if (!ctx) throw new Error("useAuth must be used inside AuthProvider");
return ctx;
}