/**
 * Composant de navigation pour AfriDataHub
 * Created by BlackBenAI Team - AfriDataHub Platform
 */

import { useState } from 'react'
import { motion, AnimatePresence } from 'framer-motion'
import { Button } from '@/components/ui/button'
import {
  BarChart3,
  Database,
  AlertTriangle,
  User,
  Menu,
  X,
  Globe,
  TrendingUp,
  Moon,
  Sun
} from 'lucide-react'
import { useTheme } from 'next-themes'

const Navigation = ({ currentPage, onPageChange, user, onLogout }) => {
  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false)
  const { theme, setTheme } = useTheme()

  const menuItems = [
    { id: 'dashboard', label: 'Dashboard', icon: BarChart3 },
    { id: 'datasets', label: 'Datasets', icon: Database },
    { id: 'analytics', label: 'Analyse', icon: TrendingUp },
    { id: 'alerts', label: 'Alertes', icon: AlertTriangle },
    { id: 'api-docs', label: 'API', icon: Globe },
    { id: 'profile', label: 'Profil', icon: User },
  ]

  const handlePageChange = (pageId) => {
    onPageChange(pageId)
    setIsMobileMenuOpen(false)
  }

  return (
    <nav className="sticky top-0 z-50 glass border-b">
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
        <div className="flex justify-between h-20">
          {/* Logo et titre */}
          <div className="flex items-center">
            <div className="flex-shrink-0 flex items-center group cursor-pointer" onClick={() => handlePageChange('dashboard')}>
              <div className="p-2 bg-primary rounded-xl shadow-lg group-hover:scale-110 transition-transform duration-300">
                <Globe className="h-6 w-6 text-white animate-pulse" />
              </div>
              <span className="ml-3 text-xl sm:text-2xl font-black tracking-tight text-foreground">
                AfriDataHub
              </span>
            </div>
          </div>

          {/* Menu desktop */}
          <div className="hidden lg:flex items-center space-x-1 lg:space-x-2">
            {menuItems.map((item) => {
              const Icon = item.icon
              const isActive = currentPage === item.id
              return (
                <Button
                  key={item.id}
                  variant="ghost"
                  onClick={() => handlePageChange(item.id)}
                  className={`relative px-4 py-2 rounded-xl transition-all duration-300 group ${isActive
                    ? 'text-primary bg-primary/10'
                    : 'text-muted-foreground hover:text-primary hover:bg-primary/5'
                    }`}
                >
                  <Icon className={`h-4 w-4 mr-2 ${isActive ? 'scale-110' : 'group-hover:scale-110'} transition-transform`} />
                  <span className="font-semibold">{item.label}</span>
                  {isActive && (
                    <motion.div
                      layoutId="nav-active"
                      className="absolute bottom-0 left-0 right-0 h-0.5 bg-primary rounded-full"
                    />
                  )}
                </Button>
              )
            })}
            {user && (
              <div className="flex items-center ml-6 pl-6 border-l border-border">
                <div className="flex items-center space-x-3 mr-4">
                  <div className="w-8 h-8 rounded-full bg-primary flex items-center justify-center text-white font-bold text-xs shadow-md">
                    {user.username.charAt(0).toUpperCase()}
                  </div>
                  <span className="text-sm font-medium text-foreground/80">
                    {user.username}
                  </span>
                </div>
                <Button
                  variant="outline"
                  onClick={onLogout}
                  className="rounded-xl border-border text-muted-foreground hover:text-destructive hover:border-destructive/30 hover:bg-destructive/10 transition-colors"
                >
                  Déconnexion
                </Button>
              </div>
            )}
            <Button
              variant="ghost"
              size="icon"
              onClick={() => setTheme(theme === 'light' ? 'dark' : 'light')}
              className="ml-2 rounded-xl text-foreground hover:bg-primary/10"
            >
              <Sun className="h-5 w-5 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
              <Moon className="absolute h-5 w-5 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
              <span className="sr-only">Toggle theme</span>
            </Button>
          </div>

          {/* Bouton menu mobile */}
          <div className="lg:hidden flex items-center">
            <Button
              variant="ghost"
              onClick={() => setIsMobileMenuOpen(!isMobileMenuOpen)}
              className="rounded-xl text-foreground hover:bg-primary/10"
            >
              {isMobileMenuOpen ? (
                <X className="h-6 w-6" />
              ) : (
                <Menu className="h-6 w-6" />
              )}
            </Button>
            <Button
              variant="ghost"
              size="icon"
              onClick={() => setTheme(theme === 'light' ? 'dark' : 'light')}
              className="ml-2 rounded-xl text-foreground hover:bg-primary/10"
            >
              <Sun className="h-5 w-5 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
              <Moon className="absolute h-5 w-5 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
              <span className="sr-only">Toggle theme</span>
            </Button>
          </div>
        </div>
      </div>

      {/* Menu mobile */}
      <AnimatePresence>
        {isMobileMenuOpen && (
          <motion.div
            initial={{ opacity: 0, height: 0 }}
            animate={{ opacity: 1, height: 'auto' }}
            exit={{ opacity: 0, height: 0 }}
            className="lg:hidden glass border-t overflow-hidden"
          >
            <div className="px-4 pt-4 pb-6 space-y-2">
              {menuItems.map((item) => {
                const Icon = item.icon
                const isActive = currentPage === item.id
                return (
                  <Button
                    key={item.id}
                    variant="ghost"
                    onClick={() => handlePageChange(item.id)}
                    className={`w-full justify-start flex items-center space-x-3 p-4 rounded-xl transition-all ${isActive
                      ? 'bg-primary/20 text-primary shadow-inner'
                      : 'text-muted-foreground hover:bg-primary/10 hover:text-primary'
                      }`}
                  >
                    <Icon className="h-5 w-5" />
                    <span className="font-bold">{item.label}</span>
                  </Button>
                )
              })}
              {user && (
                <div className="pt-4 mt-4 border-t">
                  <Button
                    variant="ghost"
                    onClick={onLogout}
                    className="w-full justify-start flex items-center space-x-3 p-4 rounded-xl text-muted-foreground hover:text-destructive hover:bg-destructive/10"
                  >
                    <X className="h-5 w-5" />
                    <span className="font-bold">Déconnexion</span>
                  </Button>
                </div>
              )}
            </div>
          </motion.div>
        )}
      </AnimatePresence>
    </nav>
  )
}

export default Navigation