/**
 * 对象深度拷贝
 * @param obj
 * @returns {Array}
 */
export function objClone(obj) {
  const result = Array.isArray(obj) ? [] : {}
  if (obj == undefined) {
    return result
  }
  for (const key in obj) {
    if (obj.hasOwnProperty(key)) {
      if (typeof obj[key] === 'object') {
        result[key] = objClone(obj[key]) // 递归复制
      } else {
        result[key] = obj[key]
      }
    }
  }
  return result
}

/* 检查空 */
export function isBlank(str) {
  return str === undefined || str === 'undefined' || str === null || str === '' || str === 'null' || str === '[]' || str === '{}' || str === null || str === JSON.stringify({}) || str === JSON.stringify([])
}

export function isNotBlank(str) {
  return !isBlank(str)
}

/**
 * 两数相加 arg1 + arg2
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function add(arg1, arg2) {
  let t = 0
  arg1 = arg1 ? arg1.toString() : '0'
  arg2 = arg2 ? arg2.toString() : '0'
  if (arg1.includes('.')) {
    t = arg1.split('.')[1].length
  }
  if (arg2.includes('.')) {
    t = Math.max(arg2.split('.')[1].length, t)
  }
  const m = Math.pow(10, t)
  return (multiply(arg1, m) + multiply(arg2, m)) / m
}

/**
 * 两数相减 arg1 - arg2
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function subtract(arg1, arg2) {
  let t = 0
  arg1 = arg1 ? arg1.toString() : '0'
  arg2 = arg2 ? arg2.toString() : '0'
  if (arg1.includes('.')) {
    t = arg1.split('.')[1].length
  }
  if (arg2.includes('.')) {
    t = Math.max(arg2.split('.')[1].length, t)
  }
  const m = Math.pow(10, t)
  return Number(((multiply(arg1, m) - multiply(arg2, m)) / m).toFixed(t))
}

/**
 * 两数相乘 arg1 * arg2
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function multiply(arg1, arg2) {
  let t = 0
  arg1 = arg1 ? arg1.toString() : '0'
  arg2 = arg2 ? arg2.toString() : '0'
  if (arg1.includes('.')) {
    t += arg1.split('.')[1].length
  }
  if (arg2.includes('.')) {
    t += arg2.split('.')[1].length
  }
  const r1 = Number(arg1.replace('.', ''))
  const r2 = Number(arg2.replace('.', ''))
  return (r1 * r2) / Math.pow(10, t)
}

/**
 * 两数相除 arg1 / arg2
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function abs(arg1, arg2) {
  let t = 0
  arg1 = arg1 ? arg1.toString() : '0'
  arg2 = arg2 ? arg2.toString() : '0'
  if (arg2.includes('.')) {
    t = arg2.split('.')[1].length
  }
  if (arg1.includes('.')) {
    t -= arg1.split('.')[1].length
  }
  const r1 = Number(arg1.replace('.', ''))
  const r2 = Number(arg2.replace('.', ''))
  return multiply((r1 / r2), Math.pow(10, t))
}

/**
 * array转Str
 * @param array
 * @returns {*}
 */
export function array2Str(array) {
  if (array == null || array.length == 0) {
    return null
  }
  return array.length == 0 ? null : JSON.stringify(array)
}

/**
 * Str转Array
 * @param array
 * @returns {*}
 */
export function str2Array(str) {
  if (!str) {
    return []
  }
  if (typeof (str) == 'object') {
    return str
  }
  return JSON.parse(str)
}

/*
 * @Author : liu.q [916000612@qq.com]
 * @Date : 2019-08-16 10:52
 * @Description :uuid
 */
export function guid() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    const r = Math.random() * 16 | 0
    const v = c == 'x' ? r : (r & 0x3 | 0x8)
    return v.toString(16)
  })
}

/**
 * @author Lx
 * @description 详情显示附件展示
 * @return 返回一个对象，用isShow判断附件是否为空； 用data循环附件数据
 * */
export function showAppendix(appendix) {
  const appendixArray = JSON.parse(appendix)
  // 附件数据
  const appendixData = []
  // 判断附件是否为空,如果不为空组织数据
  let isShow = false
  if (appendix) {
    isShow = true
    appendixArray.forEach(item => {
      appendixData.push({
        path: globalConf.ftpUrl + item.path,
        name: item.name
      })
    })
  }
  return {
    isShow: isShow,
    data: appendixData
  }
}

export function showImage(appendix) {
  const appendixArray = JSON.parse(appendix)
  // 附件数据
  const appendixData = []
  // 判断附件是否为空,如果不为空组织数据
  let isShow = false
  if (appendix) {
    isShow = true
    appendixArray.forEach(item => {
      appendixData.push({
        path: item.path,
        name: item.name
      })
    })
  }
  return {
    isShow: isShow,
    data: appendixData
  }
}

export function uuid(len, radix) {
  var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('')
  var uuid = []; var i
  radix = radix || chars.length

  if (len) {
    // Compact form
    for (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix]
  } else {
    // rfc4122, version 4 form
    var r

    // rfc4122 requires these characters
    uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-'
    uuid[14] = '4'

    // Fill in random data.  At i==19 set the high bits of clock sequence as
    // per rfc4122, sec. 4.1.5
    for (i = 0; i < 36; i++) {
      if (!uuid[i]) {
        r = 0 | Math.random() * 16
        uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r]
      }
    }
  }

  return uuid.join('')
}