import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { BrowserRouter, Navigate, Route, Routes } from 'react-router-dom';

import { Layout } from '@/components/Layout';
import { RequireAdmin } from '@/components/RequireAdmin';
import { RequireAuth } from '@/components/RequireAuth';
import { AdminGroupsPage } from '@/pages/AdminGroupsPage';
import { AdminInvitationsPage } from '@/pages/AdminInvitationsPage';
import { AdminUsersPage } from '@/pages/AdminUsersPage';
import { HomePage } from '@/pages/HomePage';
import { LoginPage } from '@/pages/LoginPage';
import { ProfilePage } from '@/pages/ProfilePage';
import { RegisterPage } from '@/pages/RegisterPage';
import { SetupPage } from '@/pages/SetupPage';
import { AuthContext, useProvideAuth } from '@/lib/auth';

const queryClient = new QueryClient({
  defaultOptions: {
    queries: {
      retry: false,
      refetchOnWindowFocus: false,
      staleTime: 30_000,
    },
  },
});

function AuthProvider({ children }: { children: React.ReactNode }) {
  const auth = useProvideAuth();
  return <AuthContext.Provider value={auth}>{children}</AuthContext.Provider>;
}

function App() {
  return (
    <QueryClientProvider client={queryClient}>
      <BrowserRouter>
        <AuthProvider>
          <Routes>
            <Route element={<Layout />}>
              <Route path="/login" element={<LoginPage />} />
              <Route path="/setup" element={<SetupPage />} />
              <Route path="/register" element={<RegisterPage />} />
              {/* Home page stays public — it's an ops dashboard, not sensitive. */}
              <Route path="/" element={<HomePage />} />
              <Route
                path="/profile"
                element={
                  <RequireAuth>
                    <ProfilePage />
                  </RequireAuth>
                }
              />
              <Route
                path="/admin/users"
                element={
                  <RequireAdmin>
                    <AdminUsersPage />
                  </RequireAdmin>
                }
              />
              <Route
                path="/admin/groups"
                element={
                  <RequireAdmin>
                    <AdminGroupsPage />
                  </RequireAdmin>
                }
              />
              <Route
                path="/admin/invitations"
                element={
                  <RequireAdmin>
                    <AdminInvitationsPage />
                  </RequireAdmin>
                }
              />
              <Route path="*" element={<Navigate to="/" replace />} />
            </Route>
          </Routes>
        </AuthProvider>
      </BrowserRouter>
    </QueryClientProvider>
  );
}

export default App;