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import React, { createContext, useContext, useState, useEffect, ReactNode } from 'react';
import { AuthState, IUser } from '../types';
import * as authService from '../services/authService';
// Initial auth state
const initialState: AuthState = {
token: null,
isAuthenticated: false,
loading: true,
user: null,
error: null,
};
// Create auth context
const AuthContext = createContext<{
auth: AuthState;
login: (username: string, password: string) => Promise<boolean>;
register: (username: string, password: string, isAdmin?: boolean) => Promise<boolean>;
logout: () => void;
}>({
auth: initialState,
login: async () => false,
register: async () => false,
logout: () => {},
});
// Auth provider component
export const AuthProvider: React.FC<{ children: ReactNode }> = ({ children }) => {
const [auth, setAuth] = useState<AuthState>(initialState);
// Load user if token exists
useEffect(() => {
const loadUser = async () => {
const token = authService.getToken();
if (!token) {
setAuth({
...initialState,
loading: false,
});
return;
}
try {
const response = await authService.getCurrentUser();
if (response.success && response.user) {
setAuth({
token,
isAuthenticated: true,
loading: false,
user: response.user,
error: null,
});
} else {
authService.removeToken();
setAuth({
...initialState,
loading: false,
});
}
} catch (error) {
authService.removeToken();
setAuth({
...initialState,
loading: false,
});
}
};
loadUser();
}, []);
// Login function
const login = async (username: string, password: string): Promise<boolean> => {
try {
const response = await authService.login({ username, password });
if (response.success && response.token && response.user) {
setAuth({
token: response.token,
isAuthenticated: true,
loading: false,
user: response.user,
error: null,
});
return true;
} else {
setAuth({
...initialState,
loading: false,
error: response.message || 'Authentication failed',
});
return false;
}
} catch (error) {
setAuth({
...initialState,
loading: false,
error: 'Authentication failed',
});
return false;
}
};
// Register function
const register = async (
username: string,
password: string,
isAdmin = false
): Promise<boolean> => {
try {
const response = await authService.register({ username, password, isAdmin });
if (response.success && response.token && response.user) {
setAuth({
token: response.token,
isAuthenticated: true,
loading: false,
user: response.user,
error: null,
});
return true;
} else {
setAuth({
...initialState,
loading: false,
error: response.message || 'Registration failed',
});
return false;
}
} catch (error) {
setAuth({
...initialState,
loading: false,
error: 'Registration failed',
});
return false;
}
};
// Logout function
const logout = (): void => {
authService.logout();
setAuth({
...initialState,
loading: false,
});
};
return (
<AuthContext.Provider value={{ auth, login, register, logout }}>
{children}
</AuthContext.Provider>
);
};
// Custom hook to use auth context
export const useAuth = () => useContext(AuthContext); |