"use client";

import Link from "next/link";
import { usePathname } from "next/navigation";

import { BrandIcon } from "@/components/brand/brand-icon";
import { NAV_GROUPS } from "@/lib/nav";
import { cn } from "@/lib/utils";

interface SidebarProps {
  open: boolean;
  onClose: () => void;
}

export function Sidebar({ open, onClose }: SidebarProps) {
  const pathname = usePathname();

  return (
    <>
      <div
        aria-hidden
        onClick={onClose}
        className={cn(
          "fixed inset-0 z-30 bg-background/70 backdrop-blur-sm transition-opacity lg:hidden",
          open ? "opacity-100" : "pointer-events-none opacity-0",
        )}
      />

      <aside
        className={cn(
          "fixed inset-y-0 left-0 z-40 flex w-64 flex-col border-r border-border bg-card transition-transform lg:translate-x-0",
          open ? "translate-x-0" : "-translate-x-full",
        )}
      >
        <div className="flex h-14 items-center justify-between gap-2 border-b border-border px-4">
          <Link
            href="/portal"
            onClick={onClose}
            className="flex items-center gap-2.5"
          >
            <BrandIcon size={26} />
            <span className="font-display text-lg font-semibold tracking-tight">
              krypco
            </span>
          </Link>
          <Link
            href="/"
            onClick={onClose}
            className="text-[11px] text-muted-foreground hover:text-foreground"
          >
            Site
          </Link>
        </div>

        <nav className="flex-1 overflow-y-auto px-3 py-4">
          {NAV_GROUPS.map((group) => (
            <div key={group.label} className="mb-5">
              <p className="mb-1.5 px-3 text-xs font-medium uppercase tracking-wider text-muted-foreground">
                {group.label}
              </p>
              <ul className="flex flex-col gap-0.5">
                {group.items.map((item) => {
                  const active =
                    item.href === "/portal"
                      ? pathname === "/portal"
                      : pathname === item.href ||
                        pathname.startsWith(`${item.href}/`);
                  const Icon = item.icon;
                  return (
                    <li key={item.href}>
                      <Link
                        href={item.href}
                        onClick={onClose}
                        aria-current={active ? "page" : undefined}
                        className={cn(
                          "flex min-h-11 items-center gap-3 rounded-md px-3 py-2.5 text-sm transition-colors sm:min-h-0 sm:py-2",
                          active
                            ? "bg-accent-muted font-medium text-accent-hover"
                            : "text-muted-foreground hover:bg-muted hover:text-foreground",
                        )}
                      >
                        <Icon size={17} />
                        {item.label}
                      </Link>
                    </li>
                  );
                })}
              </ul>
            </div>
          ))}
        </nav>

        <div className="border-t border-border px-5 py-4">
          <p className="text-xs text-muted-foreground">
            portal · follow the hybrid path
          </p>
        </div>
      </aside>
    </>
  );
}