import { app, BrowserWindow } from 'electron'
import { join } from 'path'
import { URL } from 'url'

const isSingleInstance = app.requestSingleInstanceLock()

if (!isSingleInstance) {
  app.quit()
  process.exit(0)
}

app.disableHardwareAcceleration()

// Install "Vue.js devtools"
if (import.meta.env.MODE === 'development') {
  app
    .whenReady()
    .then(() => import('electron-devtools-installer'))
    .then(({ default: installExtension, VUEJS3_DEVTOOLS }) =>
      installExtension(VUEJS3_DEVTOOLS, {
        loadExtensionOptions: {
          allowFileAccess: true
        }
      })
    )
    .catch((e) => console.error('Failed install extension:', e))
}

let mainWindow: BrowserWindow | null = null

const createWindow = async () => {
  mainWindow = new BrowserWindow({
    show: false, // Use 'ready-to-show' event to show window
    webPreferences: {
      nativeWindowOpen: true,
      preload: join(__dirname, '../../preload/dist/index.cjs')
    }
  })

  /**
   * If you install `show: true` then it can cause issues when trying to close the window.
   * Use `show: false` and listener events `ready-to-show` to fix these issues.
   *
   * @see https://github.com/electron/electron/issues/25012
   */
  mainWindow.on('ready-to-show', () => {
    mainWindow?.show()

    if (import.meta.env.MODE === 'development') {
      mainWindow?.webContents.openDevTools()
    }
  })

  /**
   * URL for main window.
   * Vite dev server for development.
   * `file://../renderer/index.html` for production and test
   */
  const pageUrl =
    import.meta.env.MODE === 'development' &&
    import.meta.env.VITE_DEV_SERVER_URL !== undefined
      ? import.meta.env.VITE_DEV_SERVER_URL
      : new URL('../renderer/dist/index.html', 'file://' + __dirname).toString()

  await mainWindow.loadURL(pageUrl)
}

app.on('second-instance', () => {
  // Someone tried to run a second instance, we should focus our window.
  if (mainWindow) {
    if (mainWindow.isMinimized()) mainWindow.restore()
    mainWindow.focus()
  }
})

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

app
  .whenReady()
  .then(createWindow)
  .catch((e) => console.error('Failed create window:', e))

// Auto-updates
if (import.meta.env.PROD) {
  app
    .whenReady()
    .then(() => import('electron-updater'))
    .then(({ autoUpdater }) => autoUpdater.checkForUpdatesAndNotify())
    .catch((e) => console.error('Failed check updates:', e))
}