function formatData(val) {
  return getDate(val * 1000).toLocaleString()
}

function formatArr(val) {
  var special_confArr = val.toString(2).split('').slice(0, val.toString(2).length - 1).reverse()
  return getInital(special_confArr)
}

function getDateDiff(now, dateTime) {
  var result = '';
  var minute = 1000 * 60;
  var diffValue = now - dateTime;
  if (diffValue < 0) {
    return result = "刚刚";
  }
  var minEnd = diffValue / minute;
  var date = getDate(dateTime);
  var nowdate = getDate(now);
  var y = date.getFullYear();
  var ny = nowdate.getFullYear();
  var m = formatNumber(date.getMonth() + 1);
  var nm = formatNumber(nowdate.getMonth() + 1);
  var w = date.getDay();
  var d = formatNumber(date.getDate());
  var nd = formatNumber(nowdate.getDate());
  var h = formatNumber(date.getHours());
  var i = formatNumber(date.getMinutes());
  var dayEnd;
  var yearEnd = ny - y;
  var year;
  if (nm - m == 1) {
    switch (parseInt(m)) {
      case 01:
        dayEnd = parseInt(nd) + 31 - parseInt(d);
        break;
        case 02:
          if (y % 4 == 0 && y % 100 != 0 || y % 400 == 0) {
            year = 29;
          } else {
            year = 28;
          }
          dayEnd = parseInt(nd) + year - parseInt(d);
          break;
        case 03:
          dayEnd = parseInt(nd) + 31 - parseInt(d);
          break;
        case 04:
          dayEnd = parseInt(nd) + 30 - parseInt(d);
          break;
        case 05:
          dayEnd = parseInt(nd) + 31 - parseInt(d);
          break;
        case 06:
          dayEnd = parseInt(nd) + 30 - parseInt(d);
          break;
        case 07:
          dayEnd = parseInt(nd) + 31 - parseInt(d);
          break;
        case 08:
          dayEnd = parseInt(nd) + 31 - parseInt(d);
          break;
        case 09:
          dayEnd = parseInt(nd) + 30 - parseInt(d);
          break;
        case 10:
          dayEnd = parseInt(nd) + 31 - parseInt(d);
          break;
        case 11:
          dayEnd = parseInt(nd) + 30 - parseInt(d);
          break;
        default:
          break;
    }
  } else if (nm - m == 0) {
    dayEnd = nd - d;
  } else {
    dayEnd = 7
  }
  if (yearEnd >= 1) {
    result = y + "年" + m + "月" + d + "日";
  } else if (dayEnd >= 7 && yearEnd < 1) {
    result = m + "月" + d + "日";
  } else if (dayEnd >= 2 && dayEnd < 7) {
    result = "" + getWeekDay(w);
  } else if (dayEnd >= 1 && dayEnd < 2) {
    result = "" + "昨天" + "" + h + ':' + i;
  } else if (minEnd >= 60 && dayEnd < 1) {
    result = "" + h + ':' + i;
  } else if (minEnd >= 1 && minEnd < 60) {
    result = "" + parseInt(minEnd) + "分钟前";
  } else {
    result = "刚刚";
  }
  return result;
};

function formatNumber(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
}

function getWeekDay(index) {
  var show_day = ["星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
  return show_day[index]
}

function getInital(arr) {
  var result = []
  for (var i = 0; i < arr.length; i++) {
    if (arr[i] == 1) {
      result.push(i + 1 + '')
    }
  }
  return result
}

function transitionTime(val, date = "") {
  var time = getDate(val * 1000).toLocaleString()
  var reg = getRegExp(':', 'g');
  var timearr = time.replace(" ", ":").replace(reg, "/").split("/");
  var timestr = date ? timearr[0] + "年" : timearr[0] + "年" + timearr[1] + "月" + timearr[2] + "日";
  return timestr
}
module.exports = {
  formatData: formatData,
  formatArr: formatArr,
  transitionTime: transitionTime,
  getDateDiff: getDateDiff
}