const pad2 = str => ('0' + str).substr(-2)

function fMoney (s, n) {
  n = n > 0 && n <= 20 ? n : 2
  s = parseFloat((s + '').replace(/[^\d\.-]/g, '')).toFixed(n) + ''
  let l = s.split('.')[0].split('').reverse()
  let r = s.split('.')[1]
  let t = ''
  for(let i = 0; i < l.length; i ++ ) {
    t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? ',' : '')
  }
  return t.split('').reverse().join('') + '.' + r
}

function toDateTime (date, time) {
  if (!date) return ''
  date = date.toString()
  time = time ? time.toString() : ''
  let str = `${date.substr(0, 4)}-${date.substr(4, 2)}-${date.substr(6, 2)}`
  if (date.length == 14) {
    str += ` ${date.substr(8, 2)}:${date.substr(10, 2)}:${date.substr(12, 2)}`
  } else if (date.length == 6) {
    str = `${date.substr(0, 2)}:${date.substr(2, 2)}:${date.substr(4, 2)}`
  } else if (time) {
    str += ` ${time.substr(0, 2)}:${time.substr(2, 2)}:${time.substr(4, 2)}`
  }
  return str
}

function fMoney2 (m) {
  return parseFloat(m).toFixed(2)
}

function orderreleaseType (sts) {
  const status = {
    '0': '手动发布',
    '1': '定时发布',
  }
  return status[sts] || '未知状态'
}

function orderflag (sts) {
  const status = {
    '0': true,
    '1': false,

  }
  return status[sts] || '未知状态'
}

function orderassesmentState (sts) {
  const status = {
    '0': '待开始',
    '1': '进行中',
    '2': '已结束',
 
  }
  return status[sts] || '未知状态'
}

function orderfounder (sts) {
  const status = {
    '0': '系统',
    '1': '老师'
  }
  return status[sts] || '未知状态'
}
function projectPermissions (sts) {
  const status = {
    '1': '考核',
    '2': '竞赛',
    '0': '练习'

  }
  return status[sts] || '未知状态'
}

function roleType (type) {
  const types = {
    '2': '管理员',
    '3': '老师',
    '4': '学生'
  }
  return types[type] || '未知类型'
}

function educationDegreeList (id) {
  const list = [
    {
      name: '专科',
      value: 1
    },
    {
      name: '本科',
      value: 2
    },
    {
      name: '硕士',
      value: 3
    },
    {
      name: '博士',
      value: 4
    },
    {
      name: '其他',
      value: 5
    }
  ]
  let educationdegree = list.find((n,k) => {
    return n.value == id
  }).name
  return educationdegree
}

//返回格式化时间，传参例如："yyyy-MM-dd hh:mm:ss"
function formatDate(fmt,date) {
  var date = date ? date : new Date()
  var o = { 
    "M+" : date.getMonth()+1,                 //月份 
    "d+" : date.getDate(),                    //日 
    "h+" : date.getHours(),                   //小时 
    "m+" : date.getMinutes(),                 //分 
    "s+" : date.getSeconds(),                 //秒 
    "q+" : Math.floor((date.getMonth()+3)/3), //季度 
    "S"  : date.getMilliseconds()             //毫秒 
  }; 
  if(/(y+)/.test(fmt)) {
          fmt=fmt.replace(RegExp.$1, (date.getFullYear()+"").substr(4 - RegExp.$1.length)); 
  }
  for(var k in o) {
      if(new RegExp("("+ k +")").test(fmt)){
          fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));
      }
  }
  return fmt; 
}

function removeByValue(arr, val) {
  for(var i=0; i<arr.length; i++) {
      if(arr[i] == val) {
      arr.splice(i, 1);
      break;
      }
  }
}

function formateTime(num) {
  return num < 10 ? `0${num}` : num
}

function getCaption(obj){
  var index=obj.lastIndexOf("\h");
  obj=obj.substring(index+1,obj.length);
  return obj;
}

// new Date('2020-11-12 00:00:00') 在IE下失效，因此把-替换成/
function dateCompatible(date) {
  return date.replace(/\-/g, '/')
}

// 是否IE
function isIE() {
  if (!!window.ActiveXObject || "ActiveXObject" in window) return true
  return false
}

// 是否edge
function isEdge() {
  let userAgent = navigator.userAgent
  if (userAgent.includes("Edge")) return true
  return false
}

// 是否火狐
function isFirefox() {
  let userAgent = navigator.userAgent
  if (userAgent.indexOf("Firefox") > -1) return true
  return false
}

export default{
  orderfounder,
  projectPermissions,
  orderassesmentState,
  fMoney,
  fMoney2,
  toDateTime,
  orderreleaseType,
  orderflag,
  roleType,
  educationDegreeList,
  removeByValue,
  formateTime,
  getCaption,
  formatDate,
  isIE,
  isFirefox,
  isEdge,
  dateCompatible
}