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import React, { createContext, useContext, useState, useEffect } from 'react';
import type { ReactNode } from 'react';
import { authApi } from '../utils/authApi';
import type { User as ApiUser, SessionResponse } from '../utils/authApi';
interface User {
id: number;
username: string;
email: string;
isAdmin: boolean;
}
interface AuthContextType {
user: User | null;
isLoading: boolean;
isAuthenticated: boolean;
login: (username: string, password: string) => Promise<{ success: boolean; error?: string }>;
register: (userData: { username: string; email: string; password: string }) => Promise<{ success: boolean; error?: string }>;
logout: () => Promise<void>;
checkAuth: () => Promise<void>;
}
const AuthContext = createContext<AuthContextType | undefined>(undefined);
export const useAuth = () => {
const context = useContext(AuthContext);
if (context === undefined) {
throw new Error('useAuth must be used within an AuthProvider');
}
return context;
};
interface AuthProviderProps {
children: ReactNode;
}
export const AuthProvider: React.FC<AuthProviderProps> = ({ children }) => {
const [user, setUser] = useState<User | null>(null);
const [isLoading, setIsLoading] = useState(true);
const isAuthenticated = user !== null;
const transformApiUser = (apiUser: ApiUser): User => ({
id: apiUser.id,
username: apiUser.username,
email: apiUser.email,
isAdmin: apiUser.isAdmin,
});
const checkAuth = async () => {
try {
const response = await authApi.getSession();
if (response.error || !response.data) {
setUser(null);
return;
}
const sessionData = response.data as SessionResponse;
if (sessionData.authenticated && sessionData.user) {
setUser(transformApiUser(sessionData.user));
} else {
setUser(null);
}
} catch (error) {
console.error('Auth check failed:', error);
setUser(null);
} finally {
setIsLoading(false);
}
};
const login = async (username: string, password: string) => {
try {
const response = await authApi.login({ username, password });
if (response.error) {
return { success: false, error: response.error };
}
if (response.data) {
setUser(transformApiUser(response.data as ApiUser));
}
return { success: true };
} catch (error) {
console.error('Login failed:', error);
return { success: false, error: 'Network error. Please try again.' };
}
};
const register = async (userData: { username: string; email: string; password: string }) => {
try {
const response = await authApi.register(userData);
if (response.error) {
return { success: false, error: response.error };
}
if (response.data) {
setUser(transformApiUser(response.data as ApiUser));
}
return { success: true };
} catch (error) {
console.error('Registration failed:', error);
return { success: false, error: 'Network error. Please try again.' };
}
};
const logout = async () => {
try {
await authApi.logout();
} catch (error) {
console.error('Logout error:', error);
} finally {
setUser(null);
}
};
useEffect(() => {
checkAuth();
}, []);
const value: AuthContextType = {
user,
isLoading,
isAuthenticated,
login,
register,
logout,
checkAuth,
};
return (
<AuthContext.Provider value={value}>
{children}
</AuthContext.Provider>
);
};
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