const formatTime = date => {
  console.log(date);
  const day = parseInt(date / 1000 / 60 / 60 / 24);
  const hour = parseInt(date / 1000 / 60 / 60  % 24);
  const minute = parseInt(date / 1000 / 60 % 60);
  const arr = [hour, minute].map(formatNumber);
  arr.unshift(day);
  return arr
}
const lastHours = date => {
	let h = parseInt((date % (1000 * 60 * 60 * 72 )) / (1000 * 60 * 60));
	let m = parseInt((date % (1000 * 60 * 60)) / (1000 * 60));
	return h + '小时' + m + '分'
}
const addThreeYears = date => {
		// const t = date + (31536000000 * 3)
		const t = date
		return formatDate(t,4)
}
const lastHoursInGroup = date => {
	// const temp = [];
	let h = parseInt((date % (1000 * 60 * 60 * 72 )) / (1000 * 60 * 60));
	let m = parseInt((date % (1000 * 60 * 60)) / (1000 * 60));
	return [h.toString(),m.toString()]
}
const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : '0' + n
}
//时间戳转时间
function formatDate(time, flag) {
	const t = new Date(time); 
	const tf = function(i){return (i < 10 ? '0' : '') + i};
	const year = t.getFullYear();
	const month = tf(t.getMonth() + 1);
	const day = tf(t.getDate());
	const hour = tf(t.getHours());
	const minute = tf(t.getMinutes());
	//console.log( month + '月' + day + '日' + hour + ':' + minute);
	if(flag == 1) {
		return  month + '月' + day + '日' + ' ' + hour + ':' + minute;
	}else if(flag == 2) {
		console.log(year,month,day)
		return year + '-' + month + '-' + day
	}else if(flag == 3){
		return month + '-' + day + ' ' + hour + ':' + minute;
	}else if( flag == 4) {
		return year + '年' + month + '月' + day + '日';
	}else if( flag == 5){
		return day.toString().substring(1,2)
	}
}
function GetQueryString(str,name){
	var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
	var r = str.match(reg);
	if(r!=null) return  unescape(r[2]); 
	return null;
}
module.exports = {
  formatTime: formatTime,
	formatDate,
	GetQueryString,
	lastHours,
	lastHoursInGroup,
	addThreeYears
}