const { app, BrowserWindow, desktopCapturer, ipcMain } = require('electron');
const path = require('path');

let mainWindow;

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 1200,
    height: 800,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true,
      nodeIntegration: false,
    },
  });

  mainWindow.loadFile('index.html');
}

ipcMain.handle('get-sources', async () => {
  const sources = await desktopCapturer.getSources({
    types: ['screen', 'window'],
    thumbnailSize: { width: 320, height: 180 },
  });
  return sources.map((s) => ({
    id: s.id,
    name: s.name,
    thumbnail: s.thumbnail.toDataURL(),
  }));
});

let robotjs = null;
try {
  robotjs = require('robotjs');
} catch (e) {
  console.warn('robotjs nicht verfuegbar – Fernsteuerung deaktiviert');
}

ipcMain.on('remote-control', (_event, data) => {
  if (!robotjs) return;

  try {
    switch (data.action) {
      case 'mousemove':
        robotjs.moveMouse(Math.round(data.x), Math.round(data.y));
        break;
      case 'mousedown':
        robotjs.mouseToggle('down', data.button || 'left');
        break;
      case 'mouseup':
        robotjs.mouseToggle('up', data.button || 'left');
        break;
      case 'click':
        robotjs.mouseClick(data.button || 'left');
        break;
      case 'keydown':
        robotjs.keyToggle(data.key, 'down', data.modifiers || []);
        break;
      case 'keyup':
        robotjs.keyToggle(data.key, 'up', data.modifiers || []);
        break;
      case 'scroll':
        robotjs.scrollMouse(data.deltaX || 0, data.deltaY || 0);
        break;
    }
  } catch (err) {
    console.error('Fernsteuerungsfehler:', err.message);
  }
});

app.whenReady().then(createWindow);

app.on('window-all-closed', () => {
  app.quit();
});