frontend/src/components/Layout/Navbar.jsx

import React from 'react'
import { motion } from 'framer-motion'
import { useAuth } from '../../hooks/useAuth'
import { Menu, LogOut, User, Bell } from 'lucide-react'
import { useNavigate } from 'react-router-dom'

const Navbar = ({ onMenuClick }) => {
  const { user, logout } = useAuth()
  const navigate = useNavigate()

  const handleLogout = async () => {
    await logout()
    navigate('/login')
  }

  return (
    <motion.nav
      initial={{ y: -100 }}
      animate={{ y: 0 }}
      className="glass-effect sticky top-0 z-40 border-b border-white/20"
    >
      <div className="px-4 sm:px-6 lg:px-8">
        <div className="flex items-center justify-between h-16">
          {/* Left section */}
          <div className="flex items-center gap-4">
            <button
              onClick={onMenuClick}
              className="p-2 rounded-xl hover:bg-primary-50 transition-colors lg:hidden"
            >
              <Menu className="w-6 h-6 text-slate-700" />
            </button>
            
            <div className="flex items-center gap-3">
              <div className="w-10 h-10 bg-gradient-to-br from-primary-500 to-accent-500 rounded-xl flex items-center justify-center shadow-lg">
                <span className="text-white font-bold text-lg">AL</span>
              </div>
              <div className="hidden sm:block">
                <h1 className="text-lg font-bold gradient-text">
                  Adaptive Learning
                </h1>
                <p className="text-xs text-slate-500">AI-Powered Education</p>
              </div>
            </div>
          </div>

          {/* Right section */}
          <div className="flex items-center gap-3">
            {/* Notifications */}
            <motion.button
              whileHover={{ scale: 1.05 }}
              whileTap={{ scale: 0.95 }}
              className="relative p-2 rounded-xl hover:bg-primary-50 transition-colors"
            >
              <Bell className="w-5 h-5 text-slate-600" />
              <span className="absolute top-1 right-1 w-2 h-2 bg-accent-500 rounded-full"></span>
            </motion.button>

            {/* User menu */}
            <div className="flex items-center gap-3 pl-3 border-l border-slate-200">
              <div className="hidden sm:block text-right">
                <p className="text-sm font-semibold text-slate-700">
                  {user?.username}
                </p>
                <p className="text-xs text-slate-500">Student</p>
              </div>
              
              <div className="relative group">
                <motion.button
                  whileHover={{ scale: 1.05 }}
                  className="w-10 h-10 rounded-xl bg-gradient-to-br from-primary-100 to-accent-100 flex items-center justify-center font-semibold text-primary-700"
                >
                  {user?.username?.charAt(0).toUpperCase()}
                </motion.button>
                
                {/* Dropdown */}
                <div className="absolute right-0 mt-2 w-48 glass-effect rounded-xl shadow-xl opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all duration-200">
                  <div className="p-2">
                    <button className="w-full flex items-center gap-3 px-4 py-2 rounded-lg hover:bg-primary-50 transition-colors text-left">
                      <User className="w-4 h-4" />
                      <span className="text-sm">Profile</span>
                    </button>
                    <button
                      onClick={handleLogout}
                      className="w-full flex items-center gap-3 px-4 py-2 rounded-lg hover:bg-red-50 text-red-600 transition-colors text-left"
                    >
                      <LogOut className="w-4 h-4" />
                      <span className="text-sm">Logout</span>
                    </button>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </motion.nav>
  )
}

export default Navbar