"use client";

import { useState } from "react";
import Link from "next/link";
import { usePathname } from "next/navigation";
import { ChevronRightIcon } from "lucide-react";
import {
  Collapsible,
  CollapsibleContent,
  CollapsibleTrigger,
} from "@/components/ui/collapsible";
import {
  Sidebar,
  SidebarContent,
  SidebarFooter,
  SidebarGroup,
  SidebarHeader,
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  SidebarMenuSub,
  SidebarMenuSubButton,
  SidebarMenuSubItem,
} from "@/components/ui/sidebar";
import { navItems, type NavItem } from "./nav-items";

type NavGroupItem = Extract<NavItem, { items: unknown }>;

export function AppSidebar({ footer }: { footer: React.ReactNode }) {
  const pathname = usePathname();

  return (
    <Sidebar>
      <SidebarHeader className="px-4 py-3 font-semibold">
        Cleo Minimarket
      </SidebarHeader>
      <SidebarContent>
        <SidebarGroup>
          <SidebarMenu className="gap-0.5">
            {navItems.map((item) =>
              "items" in item ? (
                <NavGroup key={item.title} item={item} pathname={pathname} />
              ) : (
                <SidebarMenuItem key={item.href}>
                  <SidebarMenuButton
                    render={<Link href={item.href} />}
                    isActive={pathname === item.href}
                  >
                    <item.icon />
                    <span>{item.title}</span>
                  </SidebarMenuButton>
                </SidebarMenuItem>
              ),
            )}
          </SidebarMenu>
        </SidebarGroup>
      </SidebarContent>
      <SidebarFooter>{footer}</SidebarFooter>
    </Sidebar>
  );
}

// Controlled karena sidebar tetap ter-mount antar navigasi; defaultOpen yang berubah memicu warning Base UI.
function NavGroup({
  item,
  pathname,
}: {
  item: NavGroupItem;
  pathname: string;
}) {
  const isActive = item.items.some((sub) => pathname.startsWith(sub.href));
  const [open, setOpen] = useState(isActive);
  const [prevActive, setPrevActive] = useState(isActive);

  // Buka otomatis saat navigasi masuk ke grup ini, tanpa menutup grup yang dibuka manual.
  if (isActive !== prevActive) {
    setPrevActive(isActive);
    if (isActive) setOpen(true);
  }

  return (
    <Collapsible
      open={open}
      onOpenChange={setOpen}
      render={<SidebarMenuItem />}
    >
      <CollapsibleTrigger render={<SidebarMenuButton />}>
        <item.icon />
        <span>{item.title}</span>
        <ChevronRightIcon className="ml-auto transition-transform group-data-panel-open/menu-button:rotate-90" />
      </CollapsibleTrigger>
      <CollapsibleContent>
        <SidebarMenuSub>
          {item.items.map((sub) => (
            <SidebarMenuSubItem key={sub.href}>
              <SidebarMenuSubButton
                render={<Link href={sub.href} />}
                isActive={pathname.startsWith(sub.href)}
              >
                <span>{sub.title}</span>
              </SidebarMenuSubButton>
            </SidebarMenuSubItem>
          ))}
        </SidebarMenuSub>
      </CollapsibleContent>
    </Collapsible>
  );
}