fix: resolve #8 - сделай новую страницу

app/contexts/AuthContext.tsx

@@ -0,0 +1,57 @@
+'use client'
+
+import React, { createContext, useContext, useState } from 'react'
+
+interface User {
+  username: string
+}
+
+interface AuthContextType {
+  user: User | null
+  login: (username: string, password: string) => boolean
+  logout: () => void
+  isAuthenticated: boolean
+}
+
+const AuthContext = createContext<AuthContextType | undefined>(undefined)
+
+export function AuthProvider({ children }: { children: React.ReactNode }) {
+  const [user, setUser] = useState<User | null>(() => {
+    if (typeof window !== 'undefined') {
+      const savedUser = localStorage.getItem('user')
+      return savedUser ? JSON.parse(savedUser) : null
+    }
+    return null
+  })
+
+  const login = (username: string, password: string): boolean => {
+    if (username === 'admin' && password === 'Mallory122907Fucku2u2') {
+      const userData = { username }
+      setUser(userData)
+      localStorage.setItem('user', JSON.stringify(userData))
+      return true
+    }
+    return false
+  }
+
+  const logout = () => {
+    setUser(null)
+    localStorage.removeItem('user')
+  }
+
+  const isAuthenticated = !!user
+
+  return (
+    <AuthContext.Provider value={{ user, login, logout, isAuthenticated }}>
+      {children}
+    </AuthContext.Provider>
+  )
+}
+
+export function useAuth() {
+  const context = useContext(AuthContext)
+  if (context === undefined) {
+    throw new Error('useAuth must be used within an AuthProvider')
+  }
+  return context
+}