"use client";

import { AnimatePresence, motion } from "framer-motion";
import { Menu, X } from "lucide-react";
import Image from "next/image";
import { type MouseEvent, useState } from "react";
import { business, type Locale } from "@/config/business";
import type { Messages } from "@/messages";
import LanguageSwitcher from "./LanguageSwitcher";
import PhysicsButton from "./PhysicsButton";

export default function Navbar({ locale, onLocaleChange, t, whatsappUrl }: { locale: Locale; onLocaleChange: (locale: Locale) => void; t: Messages; whatsappUrl: string }) {
  const [open, setOpen] = useState(false);

  function scrollToSection(event: MouseEvent<HTMLAnchorElement>, href: string) {
    if (!href.startsWith("#")) return;
    event.preventDefault();
    const target = document.querySelector(href);
    if (!target) return;
    setOpen(false);
    target.scrollIntoView({ behavior: "smooth", block: "start" });
    window.history.replaceState(null, "", href);
  }

  return (
    <header className="fixed inset-x-0 top-0 z-50 px-4 pt-4 sm:px-6">
      <nav className="glass mx-auto flex max-w-7xl items-center justify-between rounded-full px-4 py-3 sm:px-5" aria-label="Main navigation">
        <a href="#home" onClick={(event) => scrollToSection(event, "#home")} className="relative z-[3] flex items-center gap-3" aria-label="New Optic home">
          <span className="relative grid size-10 place-items-center overflow-hidden rounded-full bg-white shadow-sm">
            <Image src={business.assets.logo} alt="New Optic logo" fill sizes="40px" className="object-contain p-1" priority />
          </span>
          <span className="text-sm font-semibold tracking-[-0.02em]">{business.name}</span>
        </a>

        <div className="relative z-[3] hidden items-center gap-7 lg:flex">
          {t.nav.links.map((link) => (
            <a key={link.href} href={link.href} onClick={(event) => scrollToSection(event, link.href)} className="text-sm font-medium text-ink/58 transition hover:text-ink">
              {link.label}
            </a>
          ))}
        </div>

        <div className="relative z-[3] hidden items-center gap-3 md:flex">
          <LanguageSwitcher locale={locale} onLocaleChange={onLocaleChange} />
          <PhysicsButton href={whatsappUrl} external className="rounded-full bg-ink px-5 py-2.5 text-sm font-semibold text-white shadow-soft transition-colors hover:bg-optical">
            {t.nav.cta}
          </PhysicsButton>
        </div>

        <button type="button" onClick={() => setOpen((value) => !value)} className="relative z-[3] grid size-11 place-items-center rounded-full bg-white/70 text-ink md:hidden" aria-label={t.nav.menu} aria-expanded={open}>
          {open ? <X size={18} /> : <Menu size={18} />}
        </button>
      </nav>

      <AnimatePresence>
        {open ? (
          <motion.div
            initial={{ opacity: 0, y: -12, scale: 0.98 }}
            animate={{ opacity: 1, y: 0, scale: 1 }}
            exit={{ opacity: 0, y: -12, scale: 0.98 }}
            transition={{ duration: 0.24 }}
            className="glass mx-auto mt-3 max-w-7xl rounded-[2rem] p-4 md:hidden"
          >
            <div className="grid gap-2">
              {t.nav.links.map((link) => (
                <a key={link.href} href={link.href} onClick={(event) => scrollToSection(event, link.href)} className="rounded-2xl px-4 py-3 text-sm font-semibold text-ink/72 hover:bg-white">
                  {link.label}
                </a>
              ))}
            </div>
            <div className="mt-4 flex items-center justify-between gap-3">
              <LanguageSwitcher locale={locale} onLocaleChange={onLocaleChange} />
              <PhysicsButton href={whatsappUrl} external className="rounded-full bg-ink px-5 py-3 text-sm font-semibold text-white">
                {t.nav.cta}
              </PhysicsButton>
            </div>
          </motion.div>
        ) : null}
      </AnimatePresence>
    </header>
  );
}