Initial commit

frontend/src/context/AuthContext.jsx

@@ -0,0 +1,63 @@
+import { createContext, useContext, useEffect, useState } from 'react';
+import { api } from '../api.js';
+
+const AuthCtx = createContext(null);
+
+export function AuthProvider({ children }) {
+  const [token, setToken] = useState(() => localStorage.getItem('cl_token'));
+  const [user, setUser] = useState(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    if (!token) { setLoading(false); return; }
+    api.get('/auth/me')
+      .then(({ user }) => setUser(user))
+      .catch(() => logout())
+      .finally(() => setLoading(false));
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [token]);
+
+  const login = async (email, password) => {
+    const r = await api.post('/auth/login', { email, password });
+    localStorage.setItem('cl_token', r.token);
+    setToken(r.token);
+    setUser(r.user);
+    return r.user;
+  };
+
+  const register = async (email, password, displayName) => {
+    const r = await api.post('/auth/register', { email, password, displayName });
+    localStorage.setItem('cl_token', r.token);
+    setToken(r.token);
+    setUser(r.user);
+    return r.user;
+  };
+
+  const logout = () => {
+    localStorage.removeItem('cl_token');
+    localStorage.removeItem('cl_investisseur_id');
+    setToken(null);
+    setUser(null);
+  };
+
+  const updateUser = async (payload) => {
+    const r = await api.put('/auth/me', payload);
+    setUser(r.user);
+    // If backend issued a fresh token (email changed), persist it
+    if (r.token) {
+      localStorage.setItem('cl_token', r.token);
+      setToken(r.token);
+    }
+    return r.user;
+  };
+
+  const isAdmin = user?.role === 'admin';
+
+  return (
+    <AuthCtx.Provider value={{ token, user, loading, login, register, logout, updateUser, isAdmin }}>
+      {children}
+    </AuthCtx.Provider>
+  );
+}
+
+export const useAuth = () => useContext(AuthCtx);