import {app, BrowserWindow} from 'electron';
import {join} from 'path';
import {URL} from 'url';


const isSingleInstance = app.requestSingleInstanceLock();

if (!isSingleInstance) {
  app.quit();
  process.exit(0);
}

app.disableHardwareAcceleration();

// Install "Vue.js devtools"
if (import.meta.env.MODE === 'development') {
  app.whenReady()
    .then(() => import('electron-devtools-installer'))
    .then(({default: installExtension, VUEJS3_DEVTOOLS}) => installExtension(VUEJS3_DEVTOOLS, {
      loadExtensionOptions: {
        allowFileAccess: true,
      },
    }))
    .catch(e => console.error('Failed install extension:', e));
}

let mainWindow: BrowserWindow | null = null;

const createWindow = async () => {
  mainWindow = new BrowserWindow({
    show: false, // Use 'ready-to-show' event to show window
    webPreferences: {
      nativeWindowOpen: true,
      preload: join(__dirname, '../../preload/dist/index.cjs'),
    },
  });

  /**
   * If you install `show: true` then it can cause issues when trying to close the window.
   * Use `show: false` and listener events `ready-to-show` to fix these issues.
   *
   * @see https://github.com/electron/electron/issues/25012
   */
  mainWindow.on('ready-to-show', () => {
    mainWindow?.show();

    if (import.meta.env.MODE === 'development') {
      mainWindow?.webContents.openDevTools();
    }
  });

  /**
   * URL for main window.
   * Vite dev server for development.
   * `file://../renderer/index.html` for production and test
   */
  const pageUrl = import.meta.env.MODE === 'development' && import.meta.env.VITE_DEV_SERVER_URL !== undefined
    ? import.meta.env.VITE_DEV_SERVER_URL
    : new URL('../renderer/dist/index.html', 'file://' + __dirname).toString();


  await mainWindow.loadURL(pageUrl);
};


app.on('second-instance', () => {
  // Someone tried to run a second instance, we should focus our window.
  if (mainWindow) {
    if (mainWindow.isMinimized()) mainWindow.restore();
    mainWindow.focus();
  }
});


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


app.whenReady()
  .then(createWindow)
  .catch((e) => console.error('Failed create window:', e));


// Auto-updates
if (import.meta.env.PROD) {
  app.whenReady()
    .then(() => import('electron-updater'))
    .then(({autoUpdater}) => autoUpdater.checkForUpdatesAndNotify())
    .catch((e) => console.error('Failed check updates:', e));
}