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

let mainWindow;
let screenWindow;

function createWindows() {
  const displays = screen.getAllDisplays();
  console.log('🖥️ All Displays Detected:', displays);

  // Show bounds to confirm
  displays.forEach((display, index) => {
    console.log(`Display ${index}:`, display.bounds);
  });

  // Use index directly
  const primaryDisplay = displays[0]; // 1600x900
  const secondaryDisplay = displays[1] || displays[0]; // 1024x768

  // 🪟 Main Window on Primary Display
  mainWindow = new BrowserWindow({
    x: primaryDisplay.bounds.x,
    y: primaryDisplay.bounds.y,
    width: primaryDisplay.bounds.width,
    height: primaryDisplay.bounds.height,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true
    }
  });

  mainWindow.loadURL('http://192.168.1.110:4200/login');

  // 🪟 Second Window on Secondary Display
  screenWindow = new BrowserWindow({
    x: secondaryDisplay.bounds.x,
    y: secondaryDisplay.bounds.y,
    width: secondaryDisplay.bounds.width,
    height: secondaryDisplay.bounds.height,
    frame: false,
    show: false,
    backgroundColor: '#000', // helpful for visual debugging
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true
    }
  });

  screenWindow.loadURL('http://192.168.1.110:4200/screen');

  screenWindow.webContents.on('did-fail-load', (event, errorCode, errorDesc) => {
    console.error('❌ Failed to load screen window:', errorCode, errorDesc);
  });

  screenWindow.once('ready-to-show', () => {
    console.log('✅ screenWindow ready');
  });

  ipcMain.on('open-second-screen', () => {
    console.log('💡 Showing second screen');
    if (screenWindow) screenWindow.show();
  });

  ipcMain.on('close-second-screen', () => {
    console.log('🔒 Hiding second screen');
    if (screenWindow) screenWindow.hide();
  });
}

app.whenReady().then(createWindows);

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') app.quit();
});