const { app, Menu, BrowserWindow } = require('electron');
// Module to control application life.
// Module to create native browser window.

const path = require('path');
const url = require('url');

const isMac = process.platform === 'darwin';

const template = [
  // { role: 'appMenu' }
  ...(isMac
    ? [
        {
          label: app.name,
          submenu: [
            { role: 'about' },
            { type: 'separator' },
            { role: 'services' },
            { type: 'separator' },
            { role: 'hide' },
            { role: 'hideothers' },
            { role: 'unhide' },
            { type: 'separator' },
            { role: 'quit' },
          ],
        },
      ]
    : []),
  // { role: 'fileMenu' }
  {
    label: 'File',
    submenu: [isMac ? { role: 'close' } : { role: 'quit' }],
  },
  // { role: 'editMenu' }
  {
    label: 'Edit',
    submenu: [
      { role: 'undo' },
      { role: 'redo' },
      { type: 'separator' },
      { role: 'cut' },
      { role: 'copy' },
      { role: 'paste' },
      ...(isMac
        ? [
            { role: 'pasteAndMatchStyle' },
            { role: 'delete' },
            { role: 'selectAll' },
            { type: 'separator' },
            {
              label: 'Speech',
              submenu: [{ role: 'startspeaking' }, { role: 'stopspeaking' }],
            },
          ]
        : [{ role: 'delete' }, { type: 'separator' }, { role: 'selectAll' }]),
    ],
  },
  // { role: 'viewMenu' }
  {
    label: 'View',
    submenu: [
      { role: 'reload' },
      { role: 'forcereload' },
      { role: 'toggledevtools' },
      { type: 'separator' },
      { role: 'resetzoom' },
      { role: 'zoomin' },
      { role: 'zoomout' },
      { type: 'separator' },
      { role: 'togglefullscreen' },
    ],
  },
  // { role: 'windowMenu' }
  {
    label: 'Window',
    submenu: [
      { role: 'minimize' },
      { role: 'zoom' },
      ...(isMac
        ? [
            { type: 'separator' },
            { role: 'front' },
            { type: 'separator' },
            { role: 'window' },
          ]
        : [{ role: 'close' }]),
    ],
  },
  {
    role: 'help',
    submenu: [
      {
        label: 'Learn More',
        click: async () => {
          const { shell } = require('electron');
          await shell.openExternal('https://www.milvus.io');
        },
      },
      {
        label: 'Documentation',
        click: async () => {
          const { shell } = require('electron');
          await shell.openExternal(
            'https://www.milvus.io/docs/about_milvus/overview.md'
          );
        },
      },
      {
        label: 'Github',
        click: async () => {
          const { shell } = require('electron');
          await shell.openExternal('https://github.com/milvus-io/milvus');
        },
      },
    ],
  },
];

const menu = Menu.buildFromTemplate(template);
Menu.setApplicationMenu(menu);

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;

function createWindow() {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 1200,
    height: 800,
    webPreferences: { devTools: false },
    icon: './attu.png',
  });
  // mainWindow.maximize();
  // mainWindow.show();
  // and load the index.html of the app.

  const startUrl =
    process.env.ELECTRON_START_URL ||
    url.format({
      pathname: path.join(__dirname, './index.html'),
      protocol: 'file:',
      slashes: true,
    });
  mainWindow.loadURL(startUrl);

  // Open the DevTools.
  //   mainWindow.webContents.openDevTools();

  // Emitted when the window is closed.
  mainWindow.on('closed', function () {
    // 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;
  });
}

// 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', function () {
  // 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', function () {
  // 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();
  }
});