// Modules to control application life and create native browser window
const {app, BrowserWindow,ipcMain, Menu,shell} = require('electron')
const path = require('path')
//const electron = require('electron')

// 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 () {
	/*获取electron窗体的菜单栏*/
	//const Menu = electron.Menu;
	/*隐藏electron创听的菜单栏*/
	//Menu.setApplicationMenu(null)
	initMenu();
	// Create the browser window.
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
	  nodeIntegration: true //解决 require() is not defined
    }
  })

  // and load the index.html of the app.
  mainWindow.loadFile('index.html')
  mainWindow.webContents.openDevTools()//注册开发者工具
  // 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
  })
}

function initMenu(){
	//菜单Type说明： normal常规菜单项；separator分割线；submenu子菜单；checkbox复选菜单项；radio单选菜单项
	  const template = [
	    {
	      label: '文件',
	      submenu: [
			  {
				label: '重启',
				click() { 
					app.relaunch({ args: process.argv.slice(1).concat(['--relaunch']) }); 
					app.quit();
					},
			  },
	        {
	          label: '退出',
	          click() { app.quit(); },
	        },
	      ],
	    },
	    {
	      label: '编辑',
	      submenu: [
	        {
	          label: '撤销',
	          role: 'undo',
	        },
	        {
	          label: '恢复',
	          role: 'redo',
	        },
	        {
	          type: 'separator',
	        },
	        {
	          label: '剪切',
	          role: 'cut',
	        },
	        {
	          label: '复制',
	          role: 'copy',
	        },
	        {
	          label: '粘贴',
	          role: 'paste',
	        },
	        {
	          label: '全选',
	          role: 'selectall',
	        },
	      ],
	    },
	    {
	      label: '视图',
	      submenu: [
	        {
	          label: '缩小',
	          role: 'zoomout',
	        },
	        {
	          label: '放大',
	          role: 'zoomin',
	        },
	        {
	          label: '重置缩放',
	          role: 'resetzoom',
	        },
	        {
	          type: 'separator',
	        },
	        {
	          label: '全屏',
	          role: 'togglefullscreen',
	        },
	      ],
	    },
	    {
	      label: '帮助',
	      submenu: [
	        {
	          label: '关于',
	          click() {
	            shell.openExternal('http://www.baidu.com');
	          },
	        },
	      ],
	    },
	  ];
	  const m = Menu.buildFromTemplate(template);
	  Menu.setApplicationMenu(m);
	
	  // 右键菜单
	  const contextMenuTemplate = [
	    {
	      label: '撤销',
	      role: 'undo',
	    },
	    {
	      label: '恢复',
	      role: 'redo',
	    },
	    {
	      type: 'separator',
	    },
	    {
	      label: '剪切',
	      role: 'cut',
	    },
	    {
	      label: '复制',
	      role: 'copy',
	    },
	    {
	      label: '粘贴',
	      role: 'paste',
	    },
	    {
	      type: 'separator',
	    },  // 分隔线
	    {
	      label: '全选',
	      role: 'selectall',
	    },
	    // Select All菜单项
	  ];
	  const contextMenu = Menu.buildFromTemplate(contextMenuTemplate);
	
	  // 监听右键事件
	  ipcMain.on('contextMenu', () => {
	    contextMenu.popup(BrowserWindow.getFocusedWindow());
	  });
}
// 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 macOS 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 macOS 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.