const { app, BrowserWindow, webFrame, Menu } = require('electron')
const path = require('path')

require('electron').protocol.registerSchemesAsPrivileged([
  { scheme: 'js', privileges: { standard: true, secure: true } }
])

function protocolHandler (request, respond) {
  try {
    let pathname = request.url.replace(/^js:\/*/, '')
    let filename = path.resolve(app.getAppPath(), pathname)
    respond({ mimeType: 'text/javascript', data: require('fs').readFileSync(filename) })
  } catch (e) {
    console.error(e, request)
  }
}

let isShown = true

app.win = null

app.on('ready', () => {
  require('electron').protocol.registerBufferProtocol('js', protocolHandler)

  app.win = new BrowserWindow({
    width: 710,
    height: 470,
    minWidth: 310,
    minHeight: 350,
    backgroundColor: '#000',
    icon: path.join(__dirname, { darwin: 'icon.icns', linux: 'icon.png', win32: 'icon.ico' }[process.platform] || 'icon.ico'),
    resizable: true,
    frame: process.platform !== 'darwin',
    skipTaskbar: process.platform === 'darwin',
    autoHideMenuBar: process.platform === 'darwin',
    webPreferences: { zoomFactor: 1.0, nodeIntegration: true, backgroundThrottling: false }
  })

  app.win.loadURL(`file://${__dirname}/sources/index.html`)
  app.inspect()

  app.win.on('closed', () => {
    win = null
    app.quit()
  })

  app.win.on('hide', function () {
    isShown = false
  })

  app.win.on('show', function () {
    isShown = true
  })

  app.on('window-all-closed', () => {
    app.quit()
  })

  app.on('activate', () => {
    if (app.win === null) {
      createWindow()
    } else {
      app.win.show()
    }
  })
})

app.inspect = function () {
  app.win.toggleDevTools()
}

app.toggleMenubar = function () {
  app.win.setMenuBarVisibility(!app.win.isMenuBarVisible())
}

app.toggleFullscreen = function () {
  app.win.setFullScreen(!app.win.isFullScreen())
}

app.toggleVisible = function () {
  if (process.platform === 'darwin') {
    if (isShown && !app.win.isFullScreen()) { app.win.hide() } else { app.win.show() }
  } else {
    if (!app.win.isMinimized()) { app.win.minimize() } else { app.win.restore() }
  }
}

app.injectMenu = function (menu) {
  try {
    Menu.setApplicationMenu(Menu.buildFromTemplate(menu))
  } catch (err) {
    console.warn('Cannot inject menu.')
  }
}