'use client';

import { useState } from 'react';
import Link from 'next/link';
import { Menu, X } from 'lucide-react';
import { Logo } from '@/components/logo';
import { ThemeToggle } from '@/components/theme-toggle';
import { Button } from '@/components/ui/button';

export type NavigationLink = { label: string; url: string };

export type HeaderProps = {
  siteName?: string;
  logoUrl?: string;
  links?: NavigationLink[];
  ctaLabel?: string;
  ctaUrl?: string;
  showThemeToggle?: 'yes' | 'no';
  sticky?: 'yes' | 'no';
};

export default function Header({
  siteName = 'Your Company',
  logoUrl = '',
  links = [],
  ctaLabel = 'Get started',
  ctaUrl = '/#pricing',
  showThemeToggle = 'yes',
  sticky = 'yes',
}: HeaderProps) {
  const [open, setOpen] = useState(false);

  return (
    <header className={`${sticky === 'yes' ? 'sticky top-0' : 'relative'} z-50 bg-background`}>
      <div className="section-shell flex h-16 items-center justify-between">
        <Logo name={siteName} logoUrl={logoUrl} />

        <nav aria-label="Primary navigation" className="hidden items-center gap-7 md:flex">
          {links.map((link) => (
            <Link key={`${link.label}-${link.url}`} href={link.url} className="text-sm text-muted-foreground transition-colors hover:text-foreground">
              {link.label}
            </Link>
          ))}
        </nav>

        <div className="flex items-center gap-1.5">
          {showThemeToggle === 'yes' && <ThemeToggle />}
          {ctaLabel && (
            <Button asChild size="sm" className="hidden sm:inline-flex">
              <Link href={ctaUrl}>{ctaLabel}</Link>
            </Button>
          )}
          <Button type="button" variant="ghost" size="icon" className="md:hidden" aria-label={open ? 'Close navigation' : 'Open navigation'} aria-expanded={open} onClick={() => setOpen((value) => !value)}>
            {open ? <X aria-hidden="true" /> : <Menu aria-hidden="true" />}
          </Button>
        </div>
      </div>

      {open && (
        <nav aria-label="Mobile navigation" className="bg-background px-4 py-4 md:hidden">
          <div className="section-shell flex flex-col gap-1">
            {links.map((link) => (
              <Link key={`${link.label}-${link.url}`} href={link.url} onClick={() => setOpen(false)} className="rounded-md px-3 py-2.5 text-sm hover:bg-muted">
                {link.label}
              </Link>
            ))}
            {ctaLabel && (
              <Button asChild className="mt-2 w-full">
                <Link href={ctaUrl} onClick={() => setOpen(false)}>{ctaLabel}</Link>
              </Button>
            )}
          </div>
        </nav>
      )}
    </header>
  );
}