import React from 'react'
import ReactDOM from 'react-dom/client'
import App from './App.jsx'
import './index.css'

ReactDOM.createRoot(document.getElementById('root')).render(
    <React.StrictMode>
        <App />
    </React.StrictMode>,
)

// Inject version string into splash screen early
const splashVersion = document.getElementById('splash-version');
if (splashVersion) {
    try {
        const bStr = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : new Date().toISOString();
        const d = new Date(bStr);
        const m = String(d.getMonth()+1).padStart(2,'0');
        const day = String(d.getDate()).padStart(2,'0');
        const h = String(d.getHours()).padStart(2,'0');
        const min = String(d.getMinutes()).padStart(2,'0');
        splashVersion.innerText = `v${d.getFullYear()}.${m}.${day}-${h}:${min}`;
    } catch(e) {}
}

// Register Service Worker for PWA support
if ('serviceWorker' in navigator) {
    window.addEventListener('load', () => {
        navigator.serviceWorker.register('/sw.js')
            .then(reg => console.log('SW Registered!', reg))
            .catch(err => console.log('SW registration failed: ', err));
    });
}