import {app, BrowserWindow} from 'electron';
import path from 'path';
let mainWindow: Electron.BrowserWindow;
/**
 *
 */
function createWindow(): void {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    height: 600,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
    },
    width: 800,
  });
  // and load the index.html of the app.
  mainWindow.loadFile(path.join(__dirname, '../html/index.html'));
  // Open the DevTools.
  mainWindow.webContents.openDevTools();
  // Emitted when the window is closed.
  mainWindow.on('closed', () => {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null as any;
  });
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow);
// Quit when all windows are closed.
app.on('window-all-closed', () => {
  // On OS X it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit();
  }
});
app.on('activate', () => {
  // On OS X it"s common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    createWindow();
  }
});
// In this file you can include the rest of your app"s specific main process
// code. You can also put them in separate files and require them here.

// All of the Node.js APIs are available in the preload process.
// It has the same sandbox as a Chrome extension.
window.addEventListener("DOMContentLoaded", () => {
    const replaceText = (selector: string, text: string) => {
      const element = document.getElementById(selector);
      if (element) {
        element.innerText = text;
      }
    };
    for (const type of ["chrome", "node", "electron"]) {
      replaceText(`${type}-version`, (process.versions as any)[type]);
    }
  });

...

const node_env = process.env.NODE_ENV;

...

if (node_env === 'development') {
  mainWindow.loadURL('http://localhost:8000/');
} else {
  //web中.umirc.ts中设置  outputPath: '../dist',
  mainWindow.loadFile(path.join(__dirname, '../dist/index.html'));
}

...