Initial commit

src/contexts/AuthContext.tsx

@@ -0,0 +1,75 @@
+import React, { createContext, useContext, useState, useEffect, ReactNode } from 'react';
+import { User, UserRole } from '../types';
+import { findUserByEmail } from '../data/mockData';
+
+interface AuthContextType {
+  user: User | null;
+  loading: boolean;
+  login: (email: string, password: string) => Promise<void>;
+  logout: () => void;
+  isRole: (role: UserRole) => boolean;
+}
+
+const AuthContext = createContext<AuthContextType | undefined>(undefined);
+
+interface AuthProviderProps {
+  children: ReactNode;
+}
+
+export const AuthProvider: React.FC<AuthProviderProps> = ({ children }) => {
+  const [user, setUser] = useState<User | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    // Check if user is stored in localStorage
+    const storedUser = localStorage.getItem('user');
+    if (storedUser) {
+      setUser(JSON.parse(storedUser));
+    }
+    setLoading(false);
+  }, []);
+
+  const login = async (email: string, password: string) => {
+    // In a real app, this would make an API call
+    // For this demo, we'll use mock data
+    setLoading(true);
+    
+    // Simulate API delay
+    await new Promise(resolve => setTimeout(resolve, 500));
+    
+    const foundUser = findUserByEmail(email);
+    
+    if (foundUser) {
+      // In a real app, we would verify the password here
+      setUser(foundUser);
+      localStorage.setItem('user', JSON.stringify(foundUser));
+    } else {
+      throw new Error('Invalid credentials');
+    }
+    
+    setLoading(false);
+  };
+
+  const logout = () => {
+    setUser(null);
+    localStorage.removeItem('user');
+  };
+
+  const isRole = (role: UserRole) => {
+    return user?.role === role;
+  };
+
+  return (
+    <AuthContext.Provider value={{ user, loading, login, logout, isRole }}>
+      {children}
+    </AuthContext.Provider>
+  );
+};
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+  if (context === undefined) {
+    throw new Error('useAuth must be used within an AuthProvider');
+  }
+  return context;
+};