import Vue from 'vue'
import router from '@/router'
import store from '@/store'

/**
 * 获取uuid
 */
export function getUUID () {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
    return (c === 'x' ? (Math.random() * 16 | 0) : ('r&0x3' | '0x8')).toString(16)
  })
}

/**
 * 是否有权限
 * @param {*} key
 */
export function isAuth (key) {
  return JSON.parse(sessionStorage.getItem('permissions') || '[]').indexOf(key) !== -1 || false
}

/**
 * 树形数据转换
 * @param {*} data
 * @param {*} id
 * @param {*} pid
 */
export function treeDataTranslate (data, id = 'id', pid = 'parentId') {
  var res = []
  var temp = {}
  for (var i = 0; i < data.length; i++) {
    temp[data[i][id]] = data[i]
  }
  for (var k = 0; k < data.length; k++) {
    if (temp[data[k][pid]] && data[k][id] !== data[k][pid]) {
      if (!temp[data[k][pid]]['children']) {
        temp[data[k][pid]]['children'] = []
      }
      if (!temp[data[k][pid]]['_level']) {
        temp[data[k][pid]]['_level'] = 1
      }
      data[k]['_level'] = temp[data[k][pid]]._level + 1
      temp[data[k][pid]]['children'].push(data[k])
    } else {
      res.push(data[k])
    }
  }
  return res
}

/**
 * 清除登录信息
 */
export function clearLoginInfo () {
  Vue.cookie.delete('token')
  store.commit('resetStore')
  router.options.isAddDynamicMenuRoutes = false
}


// 深拷贝对象
export function deepClone(obj) {
  const _toString = Object.prototype.toString

  // null, undefined, non-object, function
  if (!obj || typeof obj !== 'object') {
      return obj
  }

  // DOM Node
  if (obj.nodeType && 'cloneNode' in obj) {
      return obj.cloneNode(true)
  }

  // Date
  if (_toString.call(obj) === '[object Date]') {
      return new Date(obj.getTime())
  }

  // RegExp
  if (_toString.call(obj) === '[object RegExp]') {
      const flags = []
      if (obj.global) {
          flags.push('g')
      }
      if (obj.multiline) {
          flags.push('m')
      }
      if (obj.ignoreCase) {
          flags.push('i')
      }

      return new RegExp(obj.source, flags.join(''))
  }

  const result = Array.isArray(obj) ? [] : obj.constructor ? new obj.constructor() : {}

  for (const key in obj) {
      result[key] = deepClone(obj[key])
  }

  return result
}

export function isNumberStr(str) {
  return /^[+-]?(0|([1-9]\d*))(\.\d+)?$/g.test(str)
}