const NodeRSA = require('node-rsa')
const { getNetIPInfo, readHostList, writeHostList, readKey, writeKey, randomStr, isProd, AESEncrypt } = require('./utils')

const isDev = !isProd()

// 存储本机IP, 供host列表接口调用
async function initLocalIp() {
  if(isDev) return consola.info('非生产环境不初始化保存本地IP')
  const localNetIPInfo = await getNetIPInfo()
  let vpsList = readHostList()
  let { ip: localNetIP } = localNetIPInfo
  if(vpsList.some(({ host }) => host === localNetIP)) return consola.info('本机IP已储存: ', localNetIP)
  vpsList.unshift({ name: 'server-side-host', host: localNetIP, group: 'default' })
  writeHostList(vpsList)
  consola.info('Task: 生产环境首次启动储存本机IP: ', localNetIP)
}

// 初始化公私钥, 供登录、保存ssh密钥/密码等加解密
async function initRsa() {
  let keyObj = readKey()
  if(keyObj.privateKey && keyObj.publicKey) return consola.info('公私钥已存在[重新生成会导致已保存的ssh密钥信息失效]')

  let key = new NodeRSA({ b: 1024 })
  key.setOptions({ encryptionScheme: 'pkcs1' })
  let privateKey = key.exportKey('pkcs1-private-pem')
  let publicKey = key.exportKey('pkcs8-public-pem')
  keyObj.privateKey = AESEncrypt(privateKey) // 加密私钥
  keyObj.publicKey = publicKey // 公开公钥
  writeKey(keyObj)
  consola.info('Task: 已生成新的非对称加密公私钥')
}

// 随机的commonKey secret
function randomJWTSecret() {
  let keyObj = readKey()
  if(keyObj.commonKey) return consola.info('commonKey密钥已存在')

  keyObj.commonKey = randomStr(16)
  writeKey(keyObj)
  consola.info('Task: 已生成新的随机commonKey密钥')
}

module.exports = () => {
  randomJWTSecret() // 先生成全局唯一密钥
  initLocalIp()
  initRsa()
  // 用于记录客户端登录IP的列表
  global.loginRecord = []
}