text: // @flow
  import { app, Menu, shell, BrowserWindow } from 'electron';
  
  export default class MenuBuilder {
    mainWindow: BrowserWindow;
  
    constructor(mainWindow: BrowserWindow) {
      this.mainWindow = mainWindow;
    }
  
    buildMenu() {
      if (
        process.env.NODE_ENV === 'development' ||
        process.env.DEBUG_PROD === 'true'
      ) {
        this.setupDevelopmentEnvironment();
      }
  
      const template =
        process.platform === 'darwin'
          ? this.buildDarwinTemplate()
          : this.buildDefaultTemplate();
  
      const menu = Menu.buildFromTemplate(template);
      Menu.setApplicationMenu(menu);
  
      return menu;
    }
  
    setupDevelopmentEnvironment() {
      this.mainWindow.openDevTools();
      this.mainWindow.webContents.on('context-menu', (e, props) => {
        const { x, y } = props;
  
        Menu.buildFromTemplate([
          {
            label: 'Inspect element',
            click: () => {
              this.mainWindow.inspectElement(x, y);
            }
          }
        ]).popup(this.mainWindow);
      });
    }
  
    buildDarwinTemplate() {
      const subMenuAbout = {
        label: 'Electron',
        submenu: [
          {
            label: 'About ElectronReact',
            selector: 'orderFrontStandardAboutPanel:'
          },
          { type: 'separator' },
          { label: 'Services', submenu: [] },
          { type: 'separator' },
          {
            label: 'Hide ElectronReact',
            accelerator: 'Command+H',
            selector: 'hide:'
          },
          {
            label: 'Hide Others',
            accelerator: 'Command+Shift+H',
            selector: 'hideOtherApplications:'
          },
          { label: 'Show All', selector: 'unhideAllApplications:' },
          { type: 'separator' },
          {
            label: 'Quit',
            accelerator: 'Command+Q',
            click: () => {
              app.quit();
            }
          }
        ]
      };
      const subMenuEdit = {
        label: 'Edit',
        submenu: [
          { label: 'Undo', accelerator: 'Command+Z', selector: 'undo:' },
          { label: 'Redo', accelerator: 'Shift+Command+Z', selector: 'redo:' },
          { type: 'separator' },
          { label: 'Cut', accelerator: 'Command+X', selector: 'cut:' },
          { label: 'Copy', accelerator: 'Command+C', selector: 'copy:' },
          { label: 'Paste', accelerator: 'Command+V', selector: 'paste:' },
          {
            label: 'Select All',
            accelerator: 'Command+A',
            selector: 'selectAll:'
          }
        ]
      };
      const subMenuViewDev = {
        label: 'View',
        submenu: [
          {
            label: 'Reload',
            accelerator: 'Command+R',
            click: () => {
              this.mainWindow.webContents.reload();
            }
          },
          {
            label: 'Toggle Full Screen',
            accelerator: 'Ctrl+Command+F',
            click: () => {
              this.mainWindow.setFullScreen(!this.mainWindow.isFullScreen());
            }
          },
          {
            label: 'Toggle Developer Tools',
            accelerator: 'Alt+Command+I',
            click: () => {
              this.mainWindow.toggleDevTools();
            }
          }
        ]
      };
      const subMenuViewProd = {
        label: 'View',
        submenu: [
          {
            label: 'Toggle Full Screen',
            accelerator: 'Ctrl+Command+F',
            click: () => {
              this.mainWindow.setFullScreen(!this.mainWindow.isFullScreen());
            }
          }
        ]
      };
      const subMenuWindow = {
        label: 'Window',
        submenu: [
          {
            label: 'Minimize',
            accelerator: 'Command+M',
            selector: 'performMiniaturize:'
          },
          { label: 'Close', accelerator: 'Command+W', selector: 'performClose:' },
          { type: 'separator' },
          { label: 'Bring All to Front', selector: 'arrangeInFront:' }
        ]
      };
      const subMenuHelp = {
        label: 'Help',
        submenu: [
          {
            label: 'Learn More',
            click() {
              shell.openExternal('http://electron.atom.io');
            }
          },
          {
            label: 'Documentation',
            click() {
              shell.openExternal(
                'https://github.com/atom/electron/tree/master/docs#readme'
              );
            }
          },
          {
            label: 'Community Discussions',
            click() {
              shell.openExternal('https://discuss.atom.io/c/electron');
            }
          },
          {
            label: 'Search Issues',
            click() {
              shell.openExternal('https://github.com/atom/electron/issues');
            }
          }
        ]
      };
  
      const subMenuView =
        process.env.NODE_ENV === 'development' ? subMenuViewDev : subMenuViewProd;
  
      return [subMenuAbout, subMenuEdit, subMenuView, subMenuWindow, subMenuHelp];
    }
  
    buildDefaultTemplate() {
      const templateDefault = [
        // {
        //   label: '&File',
        //   submenu: [
        //     {
        //       label: '&Open',
        //       accelerator: 'Ctrl+O'
        //     },
        //     {
        //       label: '&Close',
        //       accelerator: 'Ctrl+W',
        //       click: () => {
        //         this.mainWindow.close();
        //       }
        //     }
        //   ]
        // },
        // {
        //   label: '&View',
        //   submenu:
        //     process.env.NODE_ENV === 'development'
        //       ? [
        //           // {
        //           //   label: 'Làm mới lại phần mềm',
        //           //   accelerator: 'Ctrl+R',
        //           //   click: () => {
        //           //     this.mainWindow.webContents.reload();
        //           //   }
        //           // },
        //           // {
        //           //   label: 'Toggle &Full Screen',
        //           //   accelerator: 'F11',
        //           //   click: () => {
        //           //     this.mainWindow.setFullScreen(
        //           //       !this.mainWindow.isFullScreen()
        //           //     );
        //           //   }
        //           // },
        //           // {
        //           //   label: 'Mở công cụ cho nhà phát triển',
        //           //   accelerator: 'Alt+Ctrl+I',
        //           //   click: () => {
        //           //     this.mainWindow.toggleDevTools();
        //           //   }
        //           // }
        //         ]
        //       : [
        //           // {
        //           //   label: 'Toggle &Full Screen',
        //           //   accelerator: 'F11',
        //           //   click: () => {
        //           //     this.mainWindow.setFullScreen(
        //           //       !this.mainWindow.isFullScreen()
        //           //     );
        //           //   }
        //           // }
        //         ]
        // },
        {
          label: 'Trợ giúp',
          submenu: [
            {
              label: 'Làm mới lại phần mềm',
              accelerator: 'Ctrl+R',
              click: () => {
                this.mainWindow.webContents.reload();
              }
            },
            {
              label: 'Bạn có thể gửi phản hồi đến email: trongkhanhak96@gmail.com',
              // click() {
              //   shell.openExternal('http://electron.atom.io');
              // }
            },
            {
              label: 'Liên hệ trực tiếp qua sđt: 0374243669',
              // click() {
              //   shell.openExternal(
              //     'https://github.com/atom/electron/tree/master/docs#readme'
              //   );
              // }
            },
            // {
            //   label: 'Community Discussions',
            //   click() {
            //     shell.openExternal('https://discuss.atom.io/c/electron');
            //   }
            // },
            // {
            //   label: 'Search Issues',
            //   click() {
            //     shell.openExternal('https://github.com/atom/electron/issues');
            //   }
            // }
          ]
        }
      ];
  
      return templateDefault;
    }
  }
  