Create contexts/AuthContext.jsx

frontend/src/contexts/AuthContext.jsx

@@ -0,0 +1,78 @@
+import React, { createContext, useContext, useState, useEffect } from "react";
+import { getCurrentUser, login, logout as apiLogout } from "@/services/auth";
+
+const AuthContext = createContext(null);
+
+export function AuthProvider({ children }) {
+  const [user, setUser] = useState(null);
+  const [loading, setLoading] = useState(true);
+  const [token, setToken] = useState(localStorage.getItem("auth_token"));
+
+  useEffect(() => {
+    // Check if user is already authenticated
+    if (token) {
+      checkAuth();
+    } else {
+      setLoading(false);
+    }
+  }, [token]);
+
+  const checkAuth = async () => {
+    try {
+      const userData = await getCurrentUser();
+      setUser(userData);
+    } catch (error) {
+      // Token is invalid, clear it
+      localStorage.removeItem("auth_token");
+      setToken(null);
+      setUser(null);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleLogin = () => {
+    // Redirect to backend OAuth login
+    const apiUrl = import.meta.env.VITE_API_BASE_URL || "";
+    window.location.href = `${apiUrl}/api/auth/login`;
+  };
+
+  const handleLogout = async () => {
+    try {
+      await apiLogout();
+    } catch (error) {
+      console.error("Logout error:", error);
+    } finally {
+      localStorage.removeItem("auth_token");
+      setToken(null);
+      setUser(null);
+    }
+  };
+
+  const handleAuthCallback = (newToken) => {
+    localStorage.setItem("auth_token", newToken);
+    setToken(newToken);
+    checkAuth();
+  };
+
+  const value = {
+    user,
+    token,
+    loading,
+    login: handleLogin,
+    logout: handleLogout,
+    handleAuthCallback,
+    isAuthenticated: !!user,
+  };
+
+  return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
+}
+
+export function useAuth() {
+  const context = useContext(AuthContext);
+  if (!context) {
+    throw new Error("useAuth must be used within an AuthProvider");
+  }
+  return context;
+}
+