import { app, globalShortcut, BrowserWindow, ipcMain, dialog } from 'electron'
import { join } from 'path'

const child_process = require('child_process')
const crypto = require('crypto')

function queryPass(passPath: string, passValue: string) {
  return new Promise(function (resolve, reject) {
      try {
          child_process.exec(`reg query ${passPath} /v ${passValue}`, (error: Error, stdout: string, stderr: string) => {
            if (error) {
                reject(error)
                return
            }
            resolve({stdout, stderr})
          }); 
      } catch (error) {
          reject(error)
      }
  })
}

function queryKey(keyPath: string, keyValue: string) {
  return new Promise(function (resolve, reject) {
      try {
          child_process.exec(`reg query ${keyPath} /v ${keyValue}`, (error: Error, stdout: string, stderr: string) => {
            if (error) {
              reject(error)
              return
            }
            resolve({stdout, stderr})
          })
      } catch (error) {
          reject(error)
      }
  })
}

function cryptMD5(GUID: string) {
  let md5 = crypto.createHash('md5')
  let ciphertext = md5.update(GUID).digest('hex')
  return ciphertext.slice(0,8)+'-'+ciphertext.slice(8,12)+'-'+ciphertext.slice(12,16)+'-'+ciphertext.slice(16,20)+'-'+ciphertext.slice(20,32)
}

const passPath = 'HKEY_CURRENT_USER\\SOFTWARE\\HwaSmart'
const passValue   = 'BDAuthorization'
const keyPath = 'HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography'
const keyValue   = 'MachineGuid'

async function checkLaunchEnv() {
  try {
    const passResult: any = await queryPass(passPath, passValue)
    const keyResult: any = await queryKey(keyPath, keyValue)
    if(cryptMD5(keyResult.stdout.slice(83,119) + 'BD') == passResult.stdout.slice(72,108)){
      return true
    }else{
      return false
    }
    // 成功
    // 查询到 有这个app启动项
  } catch (error) {
      // 没有查询到该app启动项目
      return false
  }
}

function createWindow() {
  const win = new BrowserWindow({
    fullscreen: true,
    frame: false,
    webPreferences: {
      nodeIntegration: true,
      preload: join(__dirname, 'preload.js')
    }
  })

  if (process.env.NODE_ENV === 'development') {
    win.loadURL('http://localhost:3000/')
    win.webContents.openDevTools()
  } else {
    win.loadFile('dist/render/index.html')
  }

  ipcMain.on('CLOSE', (event) => {
    const res = dialog.showMessageBox({
      type: 'warning',
      title: '警告',
      message: '确定要关闭软件吗?',
      detail: '关闭软件',
      cancelId: 1, // 按esc默认点击索引按钮
      defaultId: 0, // 默认高亮的按钮下标
      buttons: ['确认', '取消'], // 按钮按索引从右往左排序
    })
    
    res.then((data)=>{
      if(data.response == 0){
        win.close()
      }else{
        console.log('not close software')
      }
    })
  })
}


async function main() {
  // 异步代码
  const checkReault: any = await checkLaunchEnv()
  console.log('env right:', checkReault)
  
  // 异步代码执行完毕后执行的代码
  if (checkReault) {
    app.whenReady().then(async () => {
      
      createWindow()
        
      // 屏蔽 F11 进入/退出全屏功能
      globalShortcut.register('F11', () => {return})
    })
  
    app.on('window-all-closed', () => {
      if (process.platform !== 'darwin') {
        app.quit()
      }
    })
  
    app.on('activate', () => {
      if (BrowserWindow.getAllWindows().length === 0) {
        createWindow()
      }
    })
  } else {
    dialog.showErrorBox('系统提示', '软件启动出错，请联系售后技术支持人员')
    process.exit(1)
  }
}

main()