path: root/frontend/src/components/header.tsx

"use client";

import { useState, useEffect } from "react";
import Link from "next/link";
import Image from "next/image";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Badge } from "@/components/ui/badge";
import {
  NavigationMenu,
  NavigationMenuContent,
  NavigationMenuItem,
  NavigationMenuLink,
  NavigationMenuList,
  NavigationMenuTrigger,
} from "@/components/ui/navigation-menu";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { Sheet, SheetContent, SheetHeader, SheetTitle, SheetTrigger } from "@/components/ui/sheet";
import { ThemeToggle } from "@/components/theme-toggle";
import {
  Search,
  ShoppingBag,
  Heart,
  User,
  Menu,
  Phone,
  Truck,
  RefreshCw,
  Shield,
  Globe,
} from "lucide-react";

export function Header() {
  const [cartItems] = useState(3);
  const [wishlistItems] = useState(5);
  
  const categories = [
    {
      title: "Women",
      items: [
        { name: "Dresses", href: "/women/dresses" },
        { name: "Tops & Blouses", href: "/women/tops" },
        { name: "Pants & Jeans", href: "/women/pants" },
        { name: "Outerwear", href: "/women/outerwear" },
        { name: "Accessories", href: "/women/accessories" },
      ],
    },
    {
      title: "Men",
      items: [
        { name: "T-Shirts", href: "/men/tshirts" },
        { name: "Shirts", href: "/men/shirts" },
        { name: "Pants & Jeans", href: "/men/pants" },
        { name: "Jackets", href: "/men/jackets" },
        { name: "Accessories", href: "/men/accessories" },
      ],
    },
    {
      title: "Kids",
      items: [
        { name: "Boys", href: "/kids/boys" },
        { name: "Girls", href: "/kids/girls" },
        { name: "Baby", href: "/kids/baby" },
        { name: "Shoes", href: "/kids/shoes" },
      ],
    },
  ];

  // Preload both logo variants to ensure smooth loading
  useEffect(() => {
    const preloadLogos = () => {
      if (typeof window !== 'undefined') {
        const lightLogo = new window.Image();
        const darkLogo = new window.Image();
        lightLogo.src = '/black-logo.png';
        darkLogo.src = '/white-logo.png';
      }
    };
    
    preloadLogos();
  }, []);

  return (
    <header className="sticky top-0 z-50 w-full bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
      {/* Top banner */}
      <div className="bg-black text-white text-center py-2 px-4">
        <p className="text-sm font-medium">
          FREE SHIPPING ON ORDERS OVER $100 • NEW ARRIVALS EVERY WEEK
        </p>
      </div>

      {/* Announcement bar */}
      <div className="bg-neutral-100 dark:bg-neutral-800 text-center py-2 px-4">
        <p className="text-sm">
          🔥 <span className="font-semibold">WINTER SALE</span> - Up to 50% off on selected items
        </p>
      </div>

      {/* Main header */}
      <div className="border-b dark:border-neutral-800">
        <div className="container mx-auto px-4">
          <div className="flex h-16 items-center justify-between">
            {/* Mobile menu */}
            <Sheet>
              <SheetTrigger asChild>
                <Button 
                  variant="ghost" 
                  size="icon" 
                  className="md:hidden nav-button-transparent backdrop-blur-sm"
                >
                  <Menu className="h-5 w-5" />
                </Button>
              </SheetTrigger>
              <SheetContent side="left" className="w-[300px] sm:w-[400px]">
                <SheetHeader>
                  <SheetTitle>Menu</SheetTitle>
                </SheetHeader>
                <nav className="mt-6 space-y-4">
                  {categories.map((category) => (
                    <div key={category.title} className="space-y-2">
                      <h3 className="font-semibold">{category.title}</h3>
                      <div className="ml-4 space-y-1">
                        {category.items.map((item) => (
                          <Link
                            key={item.name}
                            href={item.href}
                            className="block py-1 text-sm text-muted-foreground hover:text-foreground"
                          >
                            {item.name}
                          </Link>
                        ))}
                      </div>
                    </div>
                  ))}
                </nav>
              </SheetContent>
            </Sheet>

            {/* Logo */}
            <div className="flex items-center">
              <Link href="/" className="flex items-center space-x-2">
                {/* Light theme logo - visible by default, hidden in dark mode */}
                <Image
                  src="/black-logo.png"
                  alt="blcklst"
                  width={120}
                  height={40}
                  className="h-8 w-auto block dark:hidden"
                  priority
                />
                {/* Dark theme logo - hidden by default, visible in dark mode */}
                <Image
                  src="/white-logo.png"
                  alt="blcklst"
                  width={120}
                  height={40}
                  className="h-8 w-auto hidden dark:block"
                  priority
                />
              </Link>
            </div>

            {/* Desktop Navigation */}
            <NavigationMenu className="hidden md:flex">
              <NavigationMenuList>
                {categories.map((category) => (
                  <NavigationMenuItem key={category.title}>
                    <NavigationMenuTrigger 
                      className="font-medium nav-button-transparent backdrop-blur-sm"
                    >
                      {category.title}
                    </NavigationMenuTrigger>
                    <NavigationMenuContent>
                      <div className="grid w-[400px] gap-3 p-4 md:w-[500px] md:grid-cols-2 lg:w-[600px] nav-dropdown-transparent">
                        {category.items.map((item) => (
                          <NavigationMenuLink key={item.name} asChild>
                            <Link
                              href={item.href}
                              className="block select-none space-y-1 rounded-md p-3 leading-none no-underline outline-none transition-colors nav-dropdown-item backdrop-blur-sm"
                            >
                              <div className="text-sm font-medium leading-none">{item.name}</div>
                            </Link>
                          </NavigationMenuLink>
                        ))}
                      </div>
                    </NavigationMenuContent>
                  </NavigationMenuItem>
                ))}
                <NavigationMenuItem>
                  <NavigationMenuLink asChild>
                    <Link href="/sale" className="font-medium text-red-600 hover:text-red-700 px-4 py-2 rounded-md nav-button-transparent backdrop-blur-sm transition-colors">
                      Sale
                    </Link>
                  </NavigationMenuLink>
                </NavigationMenuItem>
              </NavigationMenuList>
            </NavigationMenu>

            {/* Search Bar */}
            <div className="hidden lg:flex flex-1 max-w-sm mx-8">
              <div className="relative w-full">
                <Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
                <Input
                  placeholder="Search products..."
                  className="pl-10 pr-4"
                />
              </div>
            </div>

            {/* Action buttons */}
            <div className="flex items-center space-x-2">
              {/* Search icon for mobile */}
              <Button 
                variant="ghost" 
                size="icon" 
                className="lg:hidden nav-button-transparent backdrop-blur-sm"
              >
                <Search className="h-5 w-5" />
              </Button>

              {/* Theme toggle */}
              <ThemeToggle />

              {/* User menu */}
              <DropdownMenu>
                <DropdownMenuTrigger asChild>
                  <Button 
                    variant="ghost" 
                    size="icon" 
                    className="nav-button-transparent backdrop-blur-sm"
                  >
                    <User className="h-5 w-5" />
                  </Button>
                </DropdownMenuTrigger>
                <DropdownMenuContent align="end" className="w-56 nav-dropdown-transparent">
                  <DropdownMenuItem className="nav-dropdown-item">
                    <User className="mr-2 h-4 w-4" />
                    My Account
                  </DropdownMenuItem>
                  <DropdownMenuItem className="nav-dropdown-item">
                    <Truck className="mr-2 h-4 w-4" />
                    Orders
                  </DropdownMenuItem>
                  <DropdownMenuItem className="nav-dropdown-item">
                    <Heart className="mr-2 h-4 w-4" />
                    Wishlist
                  </DropdownMenuItem>
                  <DropdownMenuSeparator className="bg-white/20 dark:bg-neutral-800/50" />
                  <DropdownMenuItem className="nav-dropdown-item">
                    Sign In
                  </DropdownMenuItem>
                  <DropdownMenuItem className="nav-dropdown-item">
                    Create Account
                  </DropdownMenuItem>
                </DropdownMenuContent>
              </DropdownMenu>

              {/* Wishlist */}
              <Button 
                variant="ghost" 
                size="icon" 
                className="relative nav-button-transparent backdrop-blur-sm"
              >
                <Heart className="h-5 w-5" />
                {wishlistItems > 0 && (
                  <Badge className="absolute -top-1 -right-1 h-5 w-5 rounded-full p-0 text-xs">
                    {wishlistItems}
                  </Badge>
                )}
              </Button>

              {/* Cart */}
              <Button 
                variant="ghost" 
                size="icon" 
                className="relative nav-button-transparent backdrop-blur-sm"
              >
                <ShoppingBag className="h-5 w-5" />
                {cartItems > 0 && (
                  <Badge className="absolute -top-1 -right-1 h-5 w-5 rounded-full p-0 text-xs">
                    {cartItems}
                  </Badge>
                )}
              </Button>

              {/* Language/Currency */}
              <DropdownMenu>
                <DropdownMenuTrigger asChild>
                  <Button 
                    variant="ghost" 
                    size="icon" 
                    className="nav-button-transparent backdrop-blur-sm"
                  >
                    <Globe className="h-5 w-5" />
                  </Button>
                </DropdownMenuTrigger>
                <DropdownMenuContent align="end" className="nav-dropdown-transparent">
                  <DropdownMenuItem className="nav-dropdown-item">🇺🇸 USD</DropdownMenuItem>
                  <DropdownMenuItem className="nav-dropdown-item">🇪🇺 EUR</DropdownMenuItem>
                  <DropdownMenuItem className="nav-dropdown-item">🇬🇧 GBP</DropdownMenuItem>
                </DropdownMenuContent>
              </DropdownMenu>
            </div>
          </div>
        </div>
      </div>

      {/* Service features */}
      <div className="hidden md:block border-b dark:border-neutral-800 bg-neutral-50 dark:bg-neutral-900">
        <div className="container mx-auto px-4">
          <div className="grid grid-cols-4 gap-4 py-2 text-xs text-muted-foreground">
            <div className="flex items-center justify-center space-x-1">
              <Truck className="h-3 w-3" />
              <span>Free Shipping</span>
            </div>
            <div className="flex items-center justify-center space-x-1">
              <RefreshCw className="h-3 w-3" />
              <span>30-Day Returns</span>
            </div>
            <div className="flex items-center justify-center space-x-1">
              <Shield className="h-3 w-3" />
              <span>Secure Payment</span>
            </div>
            <div className="flex items-center justify-center space-x-1">
              <Phone className="h-3 w-3" />
              <span>24/7 Support</span>
            </div>
          </div>
        </div>
      </div>
    </header>
  );
}