import { Heart, Github, Code2 } from 'lucide-react';

export default function Footer() {
  const currentYear = new Date().getFullYear();

  return (
    <footer className="border-t mt-16 bg-background">
      <div className="w-full max-w-7xl mx-auto px-4 py-8">
        <div className="grid grid-cols-1 md:grid-cols-3 gap-8">
          {/* About */}
          <div>
            <h3 className="font-semibold mb-3">Units UI</h3>
            <p className="text-sm text-muted-foreground">
              A spectacular unit conversion app supporting 23 measurement categories
              with 187 units. Built with Next.js 16, TypeScript, and Tailwind CSS 4.
            </p>
          </div>

          {/* Features */}
          <div>
            <h3 className="font-semibold mb-3">Features</h3>
            <ul className="space-y-2 text-sm text-muted-foreground">
              <li>• Real-time bidirectional conversion</li>
              <li>• Fuzzy search across all units</li>
              <li>• Dark mode support</li>
              <li>• Conversion history</li>
              <li>• Keyboard shortcuts</li>
              <li>• Copy & favorite units</li>
            </ul>
          </div>

          {/* Links */}
          <div>
            <h3 className="font-semibold mb-3">Quick Links</h3>
            <ul className="space-y-2 text-sm">
              <li>
                <a
                  href="https://github.com/valknarness/units-ui"
                  target="_blank"
                  rel="noopener noreferrer"
                  className="text-muted-foreground hover:text-foreground transition-colors flex items-center gap-2"
                >
                  <Github className="h-4 w-4" />
                  GitHub Repository
                </a>
              </li>
              <li>
                <a
                  href="https://github.com/convert-units/convert-units"
                  target="_blank"
                  rel="noopener noreferrer"
                  className="text-muted-foreground hover:text-foreground transition-colors flex items-center gap-2"
                >
                  <Code2 className="h-4 w-4" />
                  convert-units Library
                </a>
              </li>
            </ul>

            {/* Keyboard Shortcuts */}
            <div className="mt-4">
              <h4 className="font-semibold text-sm mb-2">Keyboard Shortcuts</h4>
              <ul className="space-y-1 text-xs text-muted-foreground">
                <li>
                  <kbd className="px-1.5 py-0.5 bg-muted rounded">/</kbd> Focus search
                </li>
                <li>
                  <kbd className="px-1.5 py-0.5 bg-muted rounded">Ctrl</kbd>
                  {' + '}
                  <kbd className="px-1.5 py-0.5 bg-muted rounded">K</kbd> Command palette
                </li>
                <li>
                  <kbd className="px-1.5 py-0.5 bg-muted rounded">ESC</kbd> Close dialogs
                </li>
              </ul>
            </div>
          </div>
        </div>

        {/* Bottom Bar */}
        <div className="mt-8 pt-8 border-t flex flex-col sm:flex-row justify-between items-center gap-4 text-sm text-muted-foreground">
          <div className="flex items-center gap-1">
            Made with{' '}
            <Heart className="h-4 w-4 text-red-500 fill-red-500" />{' '}
            using Next.js 16 & Tailwind CSS 4
          </div>
          <div>
            © {currentYear} Units UI. All rights reserved.
          </div>
        </div>
      </div>
    </footer>
  );
}