"use client";

import Link from "next/link";
import { usePathname } from "next/navigation";
import {
  LayoutDashboard,
  FileText,
  Users,
  Tags,
  Heart,
  Settings,
  Landmark,
} from "lucide-react";
import { cn } from "@/lib/utils";
import { ThemeToggle } from "./ThemeToggle";

const NAV = [
  { href: "/", label: "Dashboard", icon: LayoutDashboard },
  { href: "/bills", label: "Bills", icon: FileText },
  { href: "/members", label: "Members", icon: Users },
  { href: "/topics", label: "Topics", icon: Tags },
  { href: "/following", label: "Following", icon: Heart },
  { href: "/settings", label: "Settings", icon: Settings },
];

export function Sidebar() {
  const pathname = usePathname();

  return (
    <aside className="w-56 shrink-0 border-r border-border bg-card flex flex-col">
      <div className="p-4 border-b border-border flex items-center gap-2">
        <Landmark className="w-5 h-5 text-primary" />
        <span className="font-semibold text-sm">PocketVeto</span>
      </div>

      <nav className="flex-1 p-3 space-y-1">
        {NAV.map(({ href, label, icon: Icon }) => {
          const active = href === "/" ? pathname === "/" : pathname.startsWith(href);
          return (
            <Link
              key={href}
              href={href}
              className={cn(
                "flex items-center gap-3 px-3 py-2 rounded-md text-sm transition-colors",
                active
                  ? "bg-primary text-primary-foreground"
                  : "text-muted-foreground hover:bg-accent hover:text-accent-foreground"
              )}
            >
              <Icon className="w-4 h-4 shrink-0" />
              {label}
            </Link>
          );
        })}
      </nav>

      <div className="p-3 border-t border-border flex items-center justify-between">
        <span className="text-xs text-muted-foreground">Theme</span>
        <ThemeToggle />
      </div>
    </aside>
  );
}