import React from 'react';
import ReactDOM from 'react-dom/client';
import { loader } from '@monaco-editor/react';
import * as monaco from 'monaco-editor';
import editorWorker from 'monaco-editor/esm/vs/editor/editor.worker?worker';
import jsonWorker from 'monaco-editor/esm/vs/language/json/json.worker?worker';
import cssWorker from 'monaco-editor/esm/vs/language/css/css.worker?worker';
import htmlWorker from 'monaco-editor/esm/vs/language/html/html.worker?worker';
import tsWorker from 'monaco-editor/esm/vs/language/typescript/ts.worker?worker';
import App from './App';
import './styles/global.css';

// Configure Monaco web workers
// This is required for syntax highlighting, validation, etc. to work properly
// without blocking the main thread
self.MonacoEnvironment = {
  getWorker(_: unknown, label: string) {
    if (label === 'json') {
      return new jsonWorker();
    }
    if (label === 'css' || label === 'scss' || label === 'less') {
      return new cssWorker();
    }
    if (label === 'html' || label === 'handlebars' || label === 'razor') {
      return new htmlWorker();
    }
    if (label === 'typescript' || label === 'javascript') {
      return new tsWorker();
    }
    return new editorWorker();
  },
};

// Configure Monaco to use local bundled version instead of CDN
// This avoids CSP issues in Electron
loader.config({ monaco });

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