function formatePrice(price) {
  return Number(price).toFixed(2)
}

function formateNumber(price, fixed) {
  if(price == null || price == undefined){
    price = 0
  }
  return Number(price).toFixed(fixed)
}

function isEmpty(val) {
  return typeof val === 'undefined' || val === '' || val === null
}

function formateDate(datetime) {
  if (isEmpty(datetime)) {
    return ''
  }
  var date = getDate(datetime.trim())
  var today = getDate()
  var dayCode = 24 * 60 * 60 * 1000
  var week = ''
  if (date.getTime() === today.getTime()) {
    week = '(今天)'
  } else if (date.getTime() === today.getTime() + dayCode) {
    week = '(明天)'
  } else if (date.getTime() === today.getTime() - dayCode) {
    week = '(昨天)'
  } else if (date.getTime() === today.getTime() + dayCode * 2) {
    week = '(后天)'
  } else {
    week = ['(周日)', '(周一)', '(周二)', '(周三)', '(周四)', '(周五)', '(周六)'][date.getDay()]
  }
  if (isEmpty(week)) {
    week = ''
  }
  return datetime + week
}

function formateText(text, length) {
  if (!text) {
    return ''
  }
  if (text.length <= length) {
    return text
  }
  return text.substring(0, length) + '...'
}

function isVideoUrl(url){
  if(url && url.indexOf('.mp4') >= 0){
    return true
  }
  return false
}

function minNumber(order, num){
  if(order && parseInt(order.minBuyNum) > 0){
    return Number(order.minBuyNum)
  }
  return num
}

function getOrderInfo(item) {
  var attributes = ''
  for (var i = 0; i < item.attributesJSONArray.length; i++) {
    var element = item.attributesJSONArray[i]
    if(i == 0){
      attributes = element.arriName + ':' + element.arriVal
    } else {
      attributes += ';' + element.arriName + ':' + element.arriVal
    }
  }
  return attributes
}

function orderStatus(status){
  if(status == 1 || status == 2){
    return '取消订单'
  } else if(status == 3){
    return '确认收货'
  }
  return ''
}

function submitPrice(price){
  return Number(price) * 100
}

function formateAmount(amount) {
  return Number(amount).toFixed(2)
}

module.exports = {
  formatePrice: formatePrice,
  formateDate: formateDate,
  formateText: formateText,
  isVideoUrl: isVideoUrl,
  minNumber: minNumber,
  orderStatus: orderStatus,
  getOrderInfo: getOrderInfo,
  submitPrice: submitPrice,
  formateAmount: formateAmount,
  formateNumber: formateNumber
}