voicebox/app/src/router.tsx

import { createRootRoute, createRoute, createRouter, Outlet } from '@tanstack/react-router';
import { AppFrame } from '@/components/AppFrame/AppFrame';
import { AudioTab } from '@/components/AudioTab/AudioTab';
import { EffectsTab } from '@/components/EffectsTab/EffectsTab';
import { MainEditor } from '@/components/MainEditor/MainEditor';
import { ModelsTab } from '@/components/ModelsTab/ModelsTab';
import { ServerTab } from '@/components/ServerTab/ServerTab';
import { Sidebar } from '@/components/Sidebar';
import { StoriesTab } from '@/components/StoriesTab/StoriesTab';
import { Toaster } from '@/components/ui/toaster';
import { VoicesTab } from '@/components/VoicesTab/VoicesTab';
import { useGenerationProgress } from '@/lib/hooks/useGenerationProgress';
import { useModelDownloadToast } from '@/lib/hooks/useModelDownloadToast';
import { MODEL_DISPLAY_NAMES, useRestoreActiveTasks } from '@/lib/hooks/useRestoreActiveTasks';

// Simple platform check that works in both web and Tauri
const isMacOS = () => navigator.platform.toLowerCase().includes('mac');

// Root layout component
function RootLayout() {
  // Monitor active downloads/generations and show toasts for them
  const activeDownloads = useRestoreActiveTasks();

  // Subscribe to SSE for pending generations — handles completion, auto-play, and history refresh
  useGenerationProgress();

  return (
    <AppFrame>
      <div className="flex flex-1 min-h-0 overflow-hidden">
        <Sidebar isMacOS={isMacOS()} />

        <main className="flex-1 ml-20 overflow-hidden flex flex-col">
          <div className="container mx-auto px-8 max-w-[1800px] h-full overflow-hidden flex flex-col">
            <Outlet />
          </div>
        </main>
      </div>

      {/* Show download toasts for any active downloads (from anywhere) */}
      {activeDownloads.map((download) => {
        const displayName = MODEL_DISPLAY_NAMES[download.model_name] || download.model_name;
        return (
          <DownloadToastRestorer
            key={download.model_name}
            modelName={download.model_name}
            displayName={displayName}
          />
        );
      })}

      <Toaster />
    </AppFrame>
  );
}

/**
 * Component that restores a download toast for a specific model.
 */
function DownloadToastRestorer({
  modelName,
  displayName,
}: {
  modelName: string;
  displayName: string;
}) {
  // Use the download toast hook to restore the toast
  useModelDownloadToast({
    modelName,
    displayName,
    enabled: true,
  });

  return null;
}

// Root route with layout
const rootRoute = createRootRoute({
  component: RootLayout,
});

// Index route (main/generate)
const indexRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/',
  component: MainEditor,
});

// Stories route
const storiesRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/stories',
  component: StoriesTab,
});

// Voices route
const voicesRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/voices',
  component: VoicesTab,
});

// Audio route
const audioRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/audio',
  component: AudioTab,
});

// Effects route
const effectsRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/effects',
  component: EffectsTab,
});

// Models route
const modelsRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/models',
  component: ModelsTab,
});

// Server route
const serverRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/server',
  component: ServerTab,
});

// Route tree
const routeTree = rootRoute.addChildren([
  indexRoute,
  storiesRoute,
  voicesRoute,
  audioRoute,
  effectsRoute,
  modelsRoute,
  serverRoute,
]);

// Create router
export const router = createRouter({ routeTree });

// Register router for type safety
declare module '@tanstack/react-router' {
  interface Register {
    router: typeof router;
  }
}