import { LayoutGrid, Wallet, ArrowLeftRight } from 'lucide-react';
import { ThemeToggle } from '@/components/theme-toggle';
import { Button } from '@/components/ui/button';
import Link from 'next/link';

const navItems = [
  { href: '/dashboard', label: '总览 (Overview)', icon: LayoutGrid },
  { href: '/dashboard/assets', label: '资产 (Assets)', icon: Wallet },
  { href: '/dashboard/transactions', label: '流水 (Transactions)', icon: ArrowLeftRight },
];

export default function DashboardLayout({
  children,
}: {
  children: React.ReactNode;
}) {
  return (
    <div className="min-h-screen flex">
      <aside className="w-64 border-r border-border bg-card p-4 flex flex-col">
        <div className="flex items-center gap-2 mb-8">
          <span className="text-xl font-bold">Omniledger</span>
        </div>

        <nav className="flex flex-col gap-2 flex-1">
          {navItems.map(({ href, label, icon: Icon }) => (
            <Link key={href} href={href}>
              <Button
                variant="ghost"
                className="justify-start gap-2 w-full"
              >
                <Icon className="h-4 w-4" />
                {label}
              </Button>
            </Link>
          ))}
        </nav>

        <div className="mt-auto flex justify-end">
          <ThemeToggle />
        </div>
      </aside>

      <main className="flex-1 p-6">{children}</main>
    </div>
  );
}