// preload.js
const { contextBridge, ipcRenderer } = require('electron');

contextBridge.exposeInMainWorld('electronAPI', {
  openSecondScreen: () => ipcRenderer.send('open-second-screen'),
  closeSecondScreen: () => ipcRenderer.send('close-second-screen'),
  getBtid: () => ipcRenderer.invoke('get-btid'),
  // New: Send data to main process
  syncSharedData: (data) => ipcRenderer.send('sync-shared-data', data),
  // New: Receive data in second window
  onUpdateSharedData: (callback) => ipcRenderer.on('update-shared-data', (event, data) => callback(data)),
});