moteva/frontend/src/ui/App.tsx

"use client";

import { Loader2 } from "lucide-react";
import { useEffect, useState } from "react";
import { readRoute, type AppRoute } from "@/application/route";
import { BrandMark } from "@/ui/components/BrandMark";
import { CanvasWorkspace } from "@/ui/pages/CanvasWorkspace";
import { HomePage } from "@/ui/pages/HomePage";
import { NotFoundPage } from "@/ui/pages/NotFoundPage";
import { ProjectsRoutePage } from "@/ui/pages/ProjectsRoutePage";
import { useAuth } from "@/ui/auth/AuthProvider";

export function App() {
  const { isAuthenticated, openLogin } = useAuth();
  const [route, setRoute] = useState<AppRoute | null>(null);

  useEffect(() => {
    setRoute(readRoute());
    const handleRoute = () => setRoute(readRoute());
    window.addEventListener("hashchange", handleRoute);
    window.addEventListener("popstate", handleRoute);
    return () => {
      window.removeEventListener("hashchange", handleRoute);
      window.removeEventListener("popstate", handleRoute);
    };
  }, []);

  useEffect(() => {
    if (route?.name === "project" && !isAuthenticated) {
      openLogin();
    }
  }, [isAuthenticated, openLogin, route]);

  if (!route) {
    return (
      <div className="workspace-loading">
        <Loader2 className="spin" size={28} />
      </div>
    );
  }

  if (route.name === "project" && !isAuthenticated) return <ProjectAuthPreview />;
  if (route.name === "project") return <CanvasWorkspace projectId={route.id} />;
  if (route.name === "projects") return <ProjectsRoutePage />;
  if (route.name === "notFound") return <NotFoundPage />;
  return <HomePage />;
}

function ProjectAuthPreview() {
  return (
    <div className="project-auth-shell" aria-hidden="true">
      <div className="project-auth-blur">
        <header className="project-auth-topbar">
          <div className="project-auth-title">
            <BrandMark className="project-auth-mark" />
            <span />
          </div>
          <div className="project-auth-top-actions">
            <i />
            <i />
            <b />
          </div>
        </header>
        <main className="project-auth-main">
          <section className="project-auth-stage">
            <div className="project-auth-grid" />
            <div className="project-auth-frame primary" />
            <div className="project-auth-frame secondary" />
            <div className="project-auth-frame tertiary" />
            <div className="project-auth-toolbar">
              <i />
              <i />
              <i />
              <i />
            </div>
          </section>
          <aside className="project-auth-panel">
            <div className="project-auth-panel-head">
              <span />
              <i />
              <i />
            </div>
            <div className="project-auth-thread">
              <b />
              <span />
              <span />
              <span />
            </div>
            <div className="project-auth-composer">
              <span />
              <div>
                <i />
                <i />
              </div>
            </div>
          </aside>
        </main>
      </div>
    </div>
  );
}