import crypto from "crypto";
//个位数字补零
export function numberB0(n) {
  return n < 10 ? "0" + n : n;
}

// 得到 2019-07-27 格式的日期数组，区间为7天
export function getSevenDays() {
  var date = new Date();
  let nowDate =
    date.getFullYear() +
    "-" +
    numberB0(date.getMonth() + 1) +
    "-" +
    numberB0(date.getDate());
  let oldDate = new Date(date.setTime(date.getTime() - 3600 * 1000 * 24 * 6)).toJSON();
  let oldDates = oldDate.split("T");
  oldDate = oldDates[0];
  return [oldDate, nowDate];
}

// 同上,但不包括今日
export function getSevenDays2() {
  var date = new Date();
  let nowDate = new Date(date.setTime(date.getTime() - 3600 * 1000 * 24 * 1)).toJSON();
  let nowDates = nowDate.split("T");
  nowDate = nowDates[0];
  let oldDate = new Date(date.setTime(date.getTime() - 3600 * 1000 * 24 * 6)).toJSON();
  let oldDates = oldDate.split("T");
  oldDate = oldDates[0];
  return [oldDate, nowDate];
}

/**
 * 将接口返回的日期（12344518976156）转换成（2019-10-10）
 * 将接口返回的标准格式日期（Wed Oct 14 2020 10:26:34 GMT+0800 (中国标准时间)）转换成（2019-10-10）
 * */
export function dateChange(date) {
  let d = new Date(date);
  return d.getFullYear() + "-" + numberB0(d.getMonth() + 1) + "-" + numberB0(d.getDate());
}
/**
 * 将接口返回的日期（12344518976156）转换成（23:59:59）
 * 将接口返回的标准格式日期（Wed Oct 14 2020 10:26:34 GMT+0800 (中国标准时间)）转换成（23:59:59）
 * */
export function monthChange(date) {
  let d = new Date(date);
  return d.getFullYear() + "-" + numberB0(d.getMonth() + 1);
}

/**
 * 将接口返回的日期（12344518976156）转换成（23:59:59）
 * 将接口返回的标准格式日期（Wed Oct 14 2020 10:26:34 GMT+0800 (中国标准时间)）转换成（23:59:59）
 * */
export function timeChange(date) {
  let d = new Date(date);
  return (
    numberB0(d.getHours()) +
    ":" +
    numberB0(d.getMinutes()) +
    ":" +
    numberB0(d.getSeconds())
  );
}

export function timeHMChange(date) {
  let d = new Date(date);
  return numberB0(d.getHours()) + ":" + numberB0(d.getMinutes());
}

/**
 * 将接口返回的日期时间（12344518976156）转换成（2020-10-14 23:59:59）
 * 将接口返回的标准格式日期（Wed Oct 14 2020 10:26:34 GMT+0800 (中国标准时间)）转换成（2020-10-14 23:59:59）
 * */
export function dateTimeChange(date) {
  if (date === "" || date === null) return date;
  let d = new Date(date);
  return (
    d.getFullYear() +
    "-" +
    numberB0(d.getMonth() + 1) +
    "-" +
    numberB0(d.getDate()) +
    " " +
    numberB0(d.getHours()) +
    ":" +
    numberB0(d.getMinutes()) +
    ":" +
    numberB0(d.getSeconds())
  );
}

/**
 * getNowTime - 获取当前日期时间:2019-10-10 10:10:20
 * axios.js在用
 * */
export function getNowTime() {
  var date = new Date();
  return (
    date.getFullYear() +
    "-" +
    numberB0(date.getMonth() + 1) +
    "-" +
    numberB0(date.getDate()) +
    " " +
    numberB0(date.getHours()) +
    ":" +
    numberB0(date.getMinutes()) +
    ":" +
    numberB0(date.getSeconds())
  );
}

/**
 * 传入[开始日期, 结束日期]
 * 返回格式[2020-10-01 00:00:00, 2020-10-01 23:59:59]
 * tag: 1，补时分秒
 *      2，补分秒
 *      3，补秒
 * */
export function dateQjChange(list, tag) {
  if (list[0] === "" || list[0] === null) return list;
  let d1 = new Date(list[0]);
  let d2 = new Date(list[1]);
  if (tag === undefined) {
    tag = 1;
  }
  switch (tag) {
    case 1:
      return [
        d1.getFullYear() +
          "-" +
          numberB0(d1.getMonth() + 1) +
          "-" +
          numberB0(d1.getDate()) +
          " 00:00:00",
        d2.getFullYear() +
          "-" +
          numberB0(d2.getMonth() + 1) +
          "-" +
          numberB0(d2.getDate()) +
          " 23:59:59",
      ];
    case 2:
      return [
        d1.getFullYear() +
          "-" +
          numberB0(d1.getMonth() + 1) +
          "-" +
          numberB0(d1.getDate()) +
          " " +
          numberB0(d1.getHours()) +
          ":00:00",
        d2.getFullYear() +
          "-" +
          numberB0(d2.getMonth() + 1) +
          "-" +
          numberB0(d2.getDate()) +
          " " +
          numberB0(d2.getHours()) +
          ":59:59",
      ];
      break;
    case 3:
      return [
        d1.getFullYear() +
          "-" +
          numberB0(d1.getMonth() + 1) +
          "-" +
          numberB0(d1.getDate()) +
          " " +
          numberB0(d1.getHours()) +
          ":" +
          numberB0(d1.getMinutes()) +
          ":00",
        d2.getFullYear() +
          "-" +
          numberB0(d2.getMonth() + 1) +
          "-" +
          numberB0(d2.getDate()) +
          " " +
          numberB0(d2.getHours()) +
          ":" +
          numberB0(d2.getMinutes()) +
          ":59",
      ];
      break;
  }
}

/**
 * getNowTime2 - 获取当前日期时间:2019年10月10日 10:10:20 星期一
 * 地图版在用
 * */
export function getNowTime2() {
  var date = new Date();

  var weekday = new Array(7);
  weekday[0] = "星期日";
  weekday[1] = "星期一";
  weekday[2] = "星期二";
  weekday[3] = "星期三";
  weekday[4] = "星期四";
  weekday[5] = "星期五";
  weekday[6] = "星期六";

  var n = weekday[date.getDay()];

  return (
    date.getFullYear() +
    "年" +
    numberB0(date.getMonth() + 1) +
    "月" +
    numberB0(date.getDate()) +
    "日 " +
    numberB0(date.getHours()) +
    ":" +
    numberB0(date.getMinutes()) +
    ":" +
    numberB0(date.getSeconds()) +
    " " +
    n
  );
}

//金额分割符,4位分割（仅数字）
export function getNewNum(nStr) {
  nStr += "";
  var x = nStr.split(".");
  var x1 = x[0];
  var x2 = x.length > 1 ? "." + x[1] : "";
  var rgx = /(\d+)(\d{4})/;
  while (rgx.test(x1)) {
    x1 = x1.replace(rgx, "$1" + "," + "$2");
  }
  return x1 + x2;
}

/**
 * 提供获取内容页面的高度，便于处理两种不同显示滚动条的兼容问题。默认页面高度自然，框架提供了滚动条无需处理；特殊情况，页面高度需保持一屏，内部页面的高度需要自己计算，因此提供该方法，便于开发者开发内部页面。
 * type:midd居中模式；full全屏模式；
 * */
export function getPageHeight(type) {
  let h = document.documentElement.clientHeight;
  type = type === undefined ? "midd" : type;
  if (type === "midd") {
    h = h - 48;
  }
  return h;
}

/**
 * 提供获取内容页面的宽度。
 * type:midd居中模式；full全屏模式；
 * 全屏模式无需计算宽度是否小于1600
 * */
export function getPageWidth(type) {
  let w = document.documentElement.clientWidth;
  type = type === undefined ? "midd" : type;
  if (type === "midd") {
    if (w < 1600) {
      return 1200;
    } else {
      return 1500;
    }
  } else {
    return w;
  }
}

/*
 *  Ant和element-ui 级联相同bug - 底层存在children的时候会显示空模块的问题，此方法可以完成任意级别的递归找children。
 *  data:原型数据
 * */
export function cascaderBugRepair(data) {
  if (data == null) return false;
  let nums = data.length;
  for (var i = 0; i < nums; i++) {
    if (data[i].children.length <= 0) {
      delete data[i].children;
    } else {
      if (data[i].children.length > 0) {
        data[i].children = cascaderBugRepair(data[i].children);
      }
    }
  }
  return data;
}

/*
 *  ant - 级联 - 显示名字为：宝通运维/总中心/分中心
 *  修改为：分中心
 * */
export function cascaderShowName({ labels }) {
  return labels[labels.length - 1];
}

/*
 *  MD5加密方法
 * */
export function getMd5(data) {
  const md5 = crypto.createHash("md5");
  md5.update(data);
  let md5password = md5.digest("hex");
  return md5password.toString().toUpperCase();
}

export default {
  getMd5,
  cascaderBugRepair,
  cascaderShowName,
  getPageWidth,
  getPageHeight,
  getNewNum,
  dateChange,
  timeHMChange,
  timeChange,
  getNowTime,
  getNowTime2,
  dateQjChange,
  getSevenDays,
  getSevenDays2,
  dateTimeChange,
  numberB0,
  monthChange,
};