const { app, dialog, Menu } = require('electron')
const os = require('os')

const template = [
  {
    label: 'Edit',
    submenu: [
      {
        role: 'undo'
      },
      {
        role: 'redo'
      },
      {
        type: 'separator'
      },
      {
        role: 'cut'
      },
      {
        role: 'copy'
      },
      {
        role: 'paste'
      },
      {
        role: 'pasteandmatchstyle'
      },
      {
        role: 'delete'
      },
      {
        role: 'selectall'
      }
    ]
  },
  {
    label: 'View',
    submenu: [
      {
        role: 'reload'
      },
      {
        role: 'toggledevtools'
      },
      {
        type: 'separator'
      },
      {
        role: 'resetzoom'
      },
      {
        role: 'zoomin'
      },
      {
        role: 'zoomout'
      },
      {
        type: 'separator'
      },
      {
        role: 'togglefullscreen'
      }
    ]
  },
  {
    role: 'window',
    submenu: [
      {
        role: 'minimize'
      },
      {
        role: 'close'
      }
    ]
  },
  {
    role: 'help',
    submenu: [
      {
        label: 'About',
        click () { showAboutBox() }
      }
    ]
  }
]

if (process.platform === 'darwin') {
  template.unshift({
    label: app.getName(),
    submenu: [
      {
        role: 'about'
      },
      {
        type: 'separator'
      },
      {
        role: 'services',
        submenu: []
      },
      {
        type: 'separator'
      },
      {
        role: 'hide'
      },
      {
        role: 'hideothers'
      },
      {
        role: 'unhide'
      },
      {
        type: 'separator'
      },
      {
        role: 'quit'
      }
    ]
  })
  // Edit menu.
  template[1].submenu.push(
    {
      type: 'separator'
    },
    {
      label: 'Speech',
      submenu: [
        {
          role: 'startspeaking'
        },
        {
          role: 'stopspeaking'
        }
      ]
    }
  )
  // Window menu.
  template[3].submenu = [
    {
      label: 'Close',
      accelerator: 'CmdOrCtrl+W',
      role: 'close'
    },
    {
      label: 'Minimize',
      accelerator: 'CmdOrCtrl+M',
      role: 'minimize'
    },
    {
      label: 'Zoom',
      role: 'zoom'
    },
    {
      type: 'separator'
    },
    {
      label: 'Bring All to Front',
      role: 'front'
    }
  ]
}

function showAboutBox () {
  dialog.showMessageBox({
    title: 'About Workbench',
    message: `Workbench is using the following versions:` + os.EOL +
                 `workbench: ${app.getVersion()}` + os.EOL +
                 `     node: ${process.versions.node}` + os.EOL +
                 `   chrome: ${process.versions.chrome}` + os.EOL +
                 ` electron: ${process.versions.electron}` + os.EOL,
    buttons: ['OK']
  })
}

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