import { app, BrowserWindow, ipcMain, shell } from 'electron'
import path from 'path'
import os from 'os'

// needed in case process is undefined under Linux
const platform = process.platform || os.platform()

let mainWindow

function createWindow () {
  /**
   * Initial window options
   */
  mainWindow = new BrowserWindow({
    icon: path.resolve(__dirname, 'icons/icon.png'), // tray icon
    width: 1000,
    minWidth: 1000,
    minHeight: 600,
    height: 600,
    autoHideMenuBar: true,
    useContentSize: true,
    webPreferences: {
      contextIsolation: true,
      // More info: https://v2.quasar.dev/quasar-cli-vite/developing-electron-apps/electron-preload-script
      preload: path.resolve(__dirname, process.env.QUASAR_ELECTRON_PRELOAD)
    }
  })

  mainWindow.loadURL(process.env.APP_URL)

  mainWindow.webContents.setWindowOpenHandler(({ url }) => {
    shell.openExternal(url)
    return { action: 'deny' }
  })

  if (process.env.DEBUGGING) {
    // if on DEV or Production with debug enabled
    mainWindow.webContents.openDevTools()
  } else {
    // we're on production; no access to devtools pls
    mainWindow.webContents.on('devtools-opened', () => {
      mainWindow.webContents.closeDevTools()
    })
  }

  ipcMain.handle('get-opened-file', async () => {
    let file = null
    // open file on wiwindows using process.argv
    if (platform === 'win32' && process.argv.length >= 2) {
      process.argv.forEach((val, index) => {
        if (val.endsWith('.newsletter')) {
          // read file contents to string
          const fs = require('fs')
          const data = fs.readFileSync(val, 'utf8')
          file = data
        }
      })
    }
    return file
  })

  mainWindow.on('closed', () => {
    mainWindow = null
  })
}

app.whenReady().then(createWindow)

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

app.on('activate', () => {
  if (mainWindow === null) {
    createWindow()
  }
})