import qrcode from "@/util/qrcode.js"

/* 获取当前日期并格式化 */
function getNowTime() {
  var nowtime = new Date()
  var year = nowtime.getFullYear()
  var month = nowtime.getMonth() + 1 < 10 ? "0" + (nowtime.getMonth() + 1) : nowtime.getMonth() + 1
  var day = nowtime.getDate() < 10 ? "0" + nowtime.getDate() : nowtime.getDate()
  var hour = nowtime.getHours() < 10 ? "0" + nowtime.getHours() : nowtime.getHours()
  var minute = nowtime.getMinutes() < 10 ? "0" + nowtime.getMinutes() : nowtime.getMinutes()
  return year + "-" + month + "-" + day + " " + hour + ":" + minute
}

// 格式化日期格式为 xxxx-xx-xx
function getFullDate(targetDate) {
  var nowDate = new Date()
  var fullYear = nowDate.getFullYear()
  var month = nowDate.getMonth() + 1 // getMonth 方法返回 0-11，代表1-12月

  var D, y, m, d
  if (targetDate) {
    D = new Date(targetDate)
    y = D.getFullYear()
    m = D.getMonth() + 1
    d = D.getDate()
  } else {
    // 不传参数 则获取今天的日期
    y = fullYear
    m = month
    d = new Date()
    d = d.getDate()
  }
  m = m > 9 ? m : "0" + m
  d = d > 9 ? d : "0" + d
  return y + "-" + m + "-" + d
}

/* 将时间戳格式化为yyyy-MM-dd hh:mm:ss格式，其它格式可自行更改 */
function formatTimeMills(timeMills, sign) {
  var date = new Date(timeMills)
  var timeStr = date.getFullYear() + sign
  if (date.getMonth() < 9) {
    // 月份从0开始的
    timeStr += "0"
  }
  timeStr += date.getMonth() + 1 + sign
  timeStr += date.getDate() < 10 ? "0" + date.getDate() : date.getDate()
  timeStr += " "
  timeStr += date.getHours() < 10 ? "0" + date.getHours() : date.getHours()
  timeStr += ":"
  timeStr += date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes()
  /* timeStr += ':';
	timeStr += date.getSeconds() < 10 ? ('0' + date.getSeconds()) : date.getSeconds(); */
  return timeStr
}

/* 获取今天的零点/最后一刻 */
function getTodayStartOrEnd(sign) {
  let resultTime = ""
  if (sign == "start") {
    resultTime = new Date(new Date(new Date().toLocaleDateString()).getTime())
  } else if (sign == "end") {
    resultTime = new Date(new Date(new Date().toLocaleDateString()).getTime() + 24 * 60 * 60 * 1000 - 1)
  }
  return formatTimeMills(resultTime, "-")
}

let num = (a) => {
  if (a != null && a.toString() != "") {
    let r = /^-?(0|[1-9]+\d*|[1-9]+\d*\.\d+|0\.\d+)$/
    if (r.test(a.toString())) {
      return true
    }
  }
  return false
}

/* 除法 */
function division(a, b) {
  if (!num(a) || !num(b)) {
    return null
  }
  let c, d, f, g
  try {
    c = a.toString().split(".")[1].length
  } catch (e) {
    c = 0
  }
  try {
    d = b.toString().split(".")[1].length
  } catch (e) {
    d = 0
  }
  f = Number(a.toString().replace(".", ""))
  g = Number(b.toString().replace(".", ""))
  return parseFloat(((f / g) * Math.pow(10, d - c)).toFixed(2))
}

/* 金额格式化 */
function amountFormatting(amount, sign) {
  let changeAmount = 0
  let resultAmount = 0
  if (sign == 0) {
    changeAmount = division(amount, 100)
    resultAmount = changeAmount.toFixed(2).replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, "$&,")
  } else if (sign == 1) {
    resultAmount = amount.toFixed(0).replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, "$&,")
  }
  return resultAmount
}

// 获取n天后的日期
function getNdaysLater(n) {
  var nowDate = new Date()
  let nDaysLaterDate = getFullDate(nowDate.getTime() + 24 * 60 * 60 * 1000 * n) //获取明天日期
  return nDaysLaterDate
}

export const debounce = (fn, t) => {
  let delay = t || 500
  let timer
  return function () {
    let args = arguments
    if (timer) {
      clearTimeout(timer)
    }
    timer = setTimeout(() => {
      timer = null

      fn.apply(this, args)
    }, delay)
  }
}

// 将回显的地址码，转为文本供只读组件使用 ,第一个参数为地址码数组，第二,三个参数为省市区的JSON，只有收付通会用到第三个参数
const addressBack = (list, address, addressTow) => {
  if (!list || list.length == 0) return "" // 非空校验

  let addressText = ""

  // 绝大多数清空都没有第二个 地址JSON表
  if (!addressTow) {
    let first = address.find((val) => val.value == list[0])
    addressText += first.text + "/"
    let second = first.children.find((val) => val.value == list[1])
    addressText += second.text + "/"
    let third = second.children.find((val) => val.value == list[2])
    addressText += third.text
  } else {
    // 收付通 选择 支行所在地址专属 （只能选择到市一级）
    let first = addressTow.find((val) => val.value == list[0])
    addressText += first.text + "/"
    let second = first.children.find((val) => val.value == list[1])
    addressText += second.text
  }

  return addressText
}

// 将回显的行业mcc码，转为文本供只读组件使用 ,第一个参数为地址码数组，第二参数为行业mcc的JSON, 第三个参数为取值方式，拼接的截取取值，数组的拿最后一个值
const mccBack = (mccCode, mccJson, type) => {
  if (!mccCode) return "" // 非空校验
  let mccText = ""

  if (type == "splicing") {
    let code
    if (mccCode) code = mccCode.split("_")[1]

    for (var i = 0; i < mccJson.length; i++) {
      mccText = mccJson[i].children.find((val) => val.value == code)
      if (mccText) break
    }
    mccText = mccText.text
  } else if (type == "last") {
    for (var i = 0; i < mccJson.length; i++) {
      mccText = mccJson[i].children.find((val) => val.value == mccCode)
      if (mccText) break
    }

    mccText = mccText.text
  }

  return mccText
}

// 制作图片
const drawQRcode = (url) => {
  let params = url // 二维码参数
  var imgData = qrcode.drawImg(params, {
    typeNumber: 4, // 密度
    errorCorrectLevel: "Q", // 纠错等级
    size: 175, // 白色边框
  })
  return imgData
}
function addressCode(val, address) {
  const data = []
  address.forEach((v) => {
    if (val.indexOf(v.text) != -1) {
      data.push(v)
      v.children.forEach((ite) => {
        if (val.indexOf(ite.text) != -1) {
          data.push(ite)
          ite.children.forEach((value) => {
            if (val.indexOf(value.text) != -1) {
              data.push(value)
            }
          })
        }
      })
    }
  })
  const obj = {
    text: [],
    code: [],
  }
  data.forEach((v, i) => {
    obj.text.push(v.text)
    obj.code.push(v.value)
  })
  obj.text = obj.text.join("/")
  return obj
}
export default {
  getNowTime,
  amountFormatting,
  getNdaysLater,
  getTodayStartOrEnd,
  addressBack,
  mccBack,
  drawQRcode,
  addressCode,
}