ApiCore/ApiCore-Frontend/src/app/(app)/layout.tsx

"use client";

import { ReactNode, useEffect } from "react";
import Link from "next/link";
import { useRouter } from "next/navigation";
import { Hexagon } from "lucide-react";
import { useAuth } from "@/lib/auth/auth-context";
import { NotificationBell } from "@/components/notification-bell";
import { OfflineSyncBadge } from "@/components/offline-sync-badge";
import { UserAvatar } from "@/components/user-avatar";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { Sidebar } from "./sidebar";
import { BottomNav } from "./bottom-nav";
import { QuickAddMenu } from "./quick-add-menu";
import { PageTransition } from "./page-transition";

export default function AppLayout({ children }: { children: ReactNode }) {
  const router = useRouter();
  const { user, isLoading, logout } = useAuth();

  useEffect(() => {
    if (!isLoading && !user) {
      router.replace("/login");
    }
  }, [isLoading, user, router]);

  if (isLoading || !user) {
    return null;
  }

  return (
    <div className="flex min-h-screen">
      <Sidebar user={user} />
      <div className="flex min-w-0 flex-1 flex-col">
        <header className="sticky top-0 z-10 flex items-center justify-between gap-3 bg-card/85 px-4 py-3 shadow-[var(--shadow-soft)] backdrop-blur-md sm:justify-end sm:px-6">
          <Link
            href="/dashboard"
            className="flex items-center gap-1.5 font-heading font-semibold sm:hidden"
          >
            <span
              className="flex size-7 items-center justify-center rounded-lg"
              style={{ background: "var(--gradient-honey)" }}
            >
              <Hexagon className="size-4 fill-white/25 text-white" strokeWidth={2.25} />
            </span>
            ApiCore
          </Link>
          <div className="flex shrink-0 items-center gap-2 text-sm">
            <OfflineSyncBadge />
            <NotificationBell />
            <DropdownMenu>
              <DropdownMenuTrigger className="rounded-full">
                <UserAvatar name={user.name} hasAvatar={user.hasAvatar} size="sm" />
              </DropdownMenuTrigger>
              <DropdownMenuContent align="end">
                <DropdownMenuLabel className="max-w-48 truncate font-normal text-muted-foreground">
                  {user.email}
                </DropdownMenuLabel>
                <DropdownMenuSeparator />
                <DropdownMenuItem render={<Link href="/profile" />}>
                  Profil
                </DropdownMenuItem>
                <DropdownMenuItem
                  variant="destructive"
                  onClick={() => {
                    void logout().then(() => router.push("/login"));
                  }}
                >
                  Abmelden
                </DropdownMenuItem>
              </DropdownMenuContent>
            </DropdownMenu>
          </div>
        </header>
        <div className="flex-1 overflow-y-auto pb-16 sm:pb-0">
          <PageTransition>{children}</PageTransition>
        </div>
      </div>
      <BottomNav />
      <QuickAddMenu />
    </div>
  );
}