import React from 'react';
import ReactDOM from 'react-dom/client';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import App from './App';
import './shared/styles/index.css';
import { runMigrations } from './shared/utils/migrateLocalStorage';

// Run localStorage migrations before app initialization
// This ensures backward compatibility for users with existing sessions
runMigrations();

// Configure React Query client
const queryClient = new QueryClient({
  defaultOptions: {
    queries: {
      staleTime: 5 * 60 * 1000, // 5 minutes - data considered fresh
      gcTime: 10 * 60 * 1000, // 10 minutes - cache garbage collection (formerly cacheTime)
      retry: 2, // Retry failed requests 2 times
      refetchOnWindowFocus: true, // Refetch when window regains focus
      refetchOnMount: true, // Refetch when component mounts
    },
  },
});

ReactDOM.createRoot(document.getElementById('root')!).render(
  <React.StrictMode>
    <QueryClientProvider client={queryClient}>
      <App />
    </QueryClientProvider>
  </React.StrictMode>,
);