"use client";

import { cn } from "@/lib/utils";
import Link from "next/link";
import { usePathname, useRouter } from "next/navigation";
import { MessageCircleIcon, Trash2Icon, Loader2Icon } from "lucide-react";
import { removeChat } from "./actions";
import { useTransition } from "react";

export function SidebarItem({
  title,
  href,
  id,
}: {
  title: string;
  href: string;
  id: string;
}) {
  const pathname = usePathname();
  const router = useRouter();
  const active = pathname === href;
  const [isPending, startTransition] = useTransition();

  if (!id) return null;

  return (
    <Link
      href={href}
      className={cn(
        "group flex shrink-0 cursor-pointer items-center gap-2 rounded p-2 text-sm font-medium transition-colors duration-100 hover:bg-zinc-500/10 hover:dark:bg-zinc-300/20",
        isPending
          ? "text-zinc-400 dark:text-zinc-500"
          : "text-zinc-800 dark:text-zinc-400",
        active
          ? "bg-zinc-500/20 text-zinc-900 font-semibold hover:bg-zinc-500/30 dark:text-white"
          : "bg-transparent"
      )}
    >
      <MessageCircleIcon className="h-4 w-4" />
      <div
        className="relative max-h-5 flex-1 overflow-hidden text-ellipsis break-all select-none"
        title={title}
      >
        <span className="whitespace-nowrap">{title}</span>
      </div>
      <button
        className="opacity-0 -mr-6 transition-opacity duration-0 hover:bg-zinc-400/50 group-hover:mr-0 group-hover:opacity-80 p-1 -my-1 rounded group-hover:duration-600"
        disabled={isPending}
        onClick={(e) => {
          e.preventDefault();
          startTransition(() => {
            removeChat({ id, path: href }).then(() => {
              router.push("/");
            });
          });
        }}
      >
        {isPending ? (
          <Loader2Icon className="animate-spin h-4 w-4" />
        ) : (
          <Trash2Icon className="h-4 w-4" />
        )}
      </button>
    </Link>
  );
}