import React from 'react'
import ReactDOM from 'react-dom/client'
import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
import App from './App.tsx'
import { ThemeProvider } from './context/ThemeContext'
import './index.css'

// Global query client with optimized defaults for performance
const queryClient = new QueryClient({
  defaultOptions: {
    queries: {
      staleTime: 1000 * 30, // 30 seconds - reduces unnecessary refetches
      gcTime: 1000 * 60 * 5, // 5 minutes garbage collection
      refetchOnWindowFocus: false, // Prevents refetch when switching tabs
      refetchOnReconnect: 'always', // Refetch when network reconnects
      retry: 1, // Only retry failed requests once
    },
  },
})

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