"use client";

import { useState, useEffect } from "react";
import { Menu, X, Zap } from "lucide-react";
import { Button } from "@/components/ui/button";

const navLinks = [
  { href: "#how-it-works", label: "How It Works" },
  { href: "#services", label: "Services" },
  { href: "#impact", label: "Impact" },
  { href: "#packages", label: "Packages" },
  { href: "#faq", label: "FAQ" },
  { href: "#contact", label: "Contact" },
];

export function Navigation() {
  const [isOpen, setIsOpen] = useState(false);
  const [isScrolled, setIsScrolled] = useState(false);

  useEffect(() => {
    const handleScroll = () => setIsScrolled(window.scrollY > 50);
    window.addEventListener("scroll", handleScroll);
    return () => window.removeEventListener("scroll", handleScroll);
  }, []);

  return (
    <nav
      className={`fixed top-0 left-0 right-0 z-50 transition-all duration-300 ${
        isScrolled
          ? "bg-bg-primary/95 backdrop-blur-md shadow-lg shadow-black/20"
          : "bg-transparent"
      }`}
    >
      <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
        <div className="flex h-16 items-center justify-between">
          {/* Logo */}
          <a href="#" className="flex items-center gap-2 group">
            <Zap className="h-7 w-7 text-neon group-hover:animate-wiggle" />
            <span className="text-xl font-bold text-cream">
              Porta<span className="text-neon">Power</span>
            </span>
          </a>

          {/* Desktop nav */}
          <div className="hidden md:flex items-center gap-6">
            {navLinks.map((link) => (
              <a
                key={link.href}
                href={link.href}
                className="text-sm font-medium text-cream-dim hover:text-neon transition-colors"
              >
                {link.label}
              </a>
            ))}
            <a href="#contact">
              <Button size="sm">Get a Quote</Button>
            </a>
          </div>

          {/* Mobile hamburger */}
          <button
            className="md:hidden text-cream hover:text-neon transition-colors cursor-pointer"
            onClick={() => setIsOpen(!isOpen)}
            aria-label="Toggle menu"
          >
            {isOpen ? <X className="h-6 w-6" /> : <Menu className="h-6 w-6" />}
          </button>
        </div>

        {/* Mobile menu */}
        {isOpen && (
          <div className="md:hidden pb-4 animate-fade-in">
            <div className="flex flex-col gap-3 pt-2">
              {navLinks.map((link) => (
                <a
                  key={link.href}
                  href={link.href}
                  className="text-sm font-medium text-cream-dim hover:text-neon transition-colors py-2"
                  onClick={() => setIsOpen(false)}
                >
                  {link.label}
                </a>
              ))}
              <a href="#contact" onClick={() => setIsOpen(false)}>
                <Button size="sm" className="w-full mt-2">
                  Get a Quote
                </Button>
              </a>
            </div>
          </div>
        )}
      </div>
    </nav>
  );
}