text: import low from 'lowdb'
  import util from './util'
  import LocalStorage from 'lowdb/adapters/LocalStorage'
  import { cloneDeep } from 'lodash'
  
  const adapter = new LocalStorage(`awadmin-${process.env.VUE_APP_VERSION}`)
  const db = low(adapter)
  
  db
    .defaults({
      sys: {},
      database: {}
    })
    .write()
  
  export default db
  
  /**
   * @description 检查路径是否存在 不存在的话初始化
   * @param {Object} payload dbName {String} 数据库名称
   * @param {Object} payload path {String} 路径
   * @param {Object} payload user {Boolean} 区分用户
   * @param {Object} payload validator {Function} 数据校验钩子 返回 true 表示验证通过
   * @param {Object} payload defaultValue {*} 初始化默认值
   * @returns {String} 可以直接使用的路径
   */
  export function pathInit({
    dbName = 'database',
    path = '',
    user = true,
    validator = () => true,
    defaultValue = ''
  }) {
    const uuid = util.cookies.get('uuid') || 'ghost-uuid'
    const currentPath = `${dbName}.${user ? `user.${uuid}` : 'public'}${path ? `.${path}` : ''}`
    const value = db.get(currentPath).value()
    if (!(value !== undefined && validator(value))) {
      db
        .set(currentPath, defaultValue)
        .write()
    }
    return currentPath
  }
  
  /**
   * @description 将数据存储到指定位置 | 路径不存在会自动初始化
   * @description 效果类似于取值 dbName.path = value
   * @param {Object} payload dbName {String} 数据库名称
   * @param {Object} payload path {String} 存储路径
   * @param {Object} payload value {*} 需要存储的值
   * @param {Object} payload user {Boolean} 是否区分用户
   */
  export function dbSet({
    dbName = 'database',
    path = '',
    value = '',
    user = false
  }) {
    db.set(pathInit({
      dbName,
      path,
      user
    }), value).write()
  }
  
  /**
   * @description 获取数据
   * @description 效果类似于取值 dbName.path || defaultValue
   * @param {Object} payload dbName {String} 数据库名称
   * @param {Object} payload path {String} 存储路径
   * @param {Object} payload defaultValue {*} 取值失败的默认值
   * @param {Object} payload user {Boolean} 是否区分用户
   */
  export function dbGet({
    dbName = 'database',
    path = '',
    defaultValue = '',
    user = false
  }) {
    return new Promise(resolve => {
      resolve(cloneDeep(db.get(pathInit({
        dbName,
        path,
        user,
        defaultValue
      })).value()))
    })
  }
  
  /**
   * @description 获取存储数据库对象
   * @param {Object} payload user {Boolean} 是否区分用户
   */
  export function database({
    dbName = 'database',
    path = '',
    user = false,
    validator = () => true,
    defaultValue = ''
  } = {}) {
    return new Promise(resolve => {
      resolve(db.get(pathInit({
        dbName, path, user, validator, defaultValue
      })))
    })
  }
  