import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { Navigate, Route, BrowserRouter, Routes } from "react-router-dom";
import { AdminRoute } from "./auth/AdminRoute";
import { AuthProvider } from "./auth/AuthProvider";
import { ProtectedRoute } from "./auth/ProtectedRoute";
import { AppShell } from "./components/layout/AppShell";
import { ToastProvider } from "./components/ui/toast";
import { LoginPage } from "./features/auth/LoginPage";
import { SupportCodesPage } from "./features/codes/SupportCodesPage";
import { MachinesPage } from "./features/machines/MachinesPage";
import { SessionsPage } from "./features/sessions/SessionsPage";
import { UsersPage } from "./features/users/UsersPage";

const queryClient = new QueryClient({
  defaultOptions: {
    queries: {
      retry: 1,
      refetchOnWindowFocus: false,
    },
  },
});

export function App() {
  return (
    <QueryClientProvider client={queryClient}>
      <BrowserRouter>
        <ToastProvider>
          <AuthProvider>
            <Routes>
              <Route path="/login" element={<LoginPage />} />
              <Route element={<ProtectedRoute />}>
                <Route element={<AppShell />}>
                  <Route path="/machines" element={<MachinesPage />} />
                  <Route path="/sessions" element={<SessionsPage />} />
                  <Route path="/codes" element={<SupportCodesPage />} />
                  {/* Users is admin-only: AdminRoute renders an access-denied
                      panel for non-admins instead of the view. */}
                  <Route element={<AdminRoute />}>
                    <Route path="/users" element={<UsersPage />} />
                  </Route>
                  <Route path="/" element={<Navigate to="/machines" replace />} />
                </Route>
              </Route>
              <Route path="*" element={<Navigate to="/machines" replace />} />
            </Routes>
          </AuthProvider>
        </ToastProvider>
      </BrowserRouter>
    </QueryClientProvider>
  );
}