function formatTime(time) {
	if (typeof time !== 'number' || time < 0) {
		return time
	}
	var hour = parseInt(time / 3600)
	time = time % 3600
	var minute = parseInt(time / 60)
	time = time % 60
	var second = time

	return ([hour, minute, second]).map(function (n) {
		n = n.toString()
		return n[1] ? n : '0' + n
	}).join(':')
}

function formatLocation(longitude, latitude) {
	if (typeof longitude === 'string' && typeof latitude === 'string') {
		longitude = parseFloat(longitude)
		latitude = parseFloat(latitude)
	}

	longitude = longitude.toFixed(2)
	latitude = latitude.toFixed(2)

	return {
		longitude: longitude.toString().split('.'),
		latitude: latitude.toString().split('.')
	}
}
var dateUtils = {
	UNITS: {
		'年': 31557600000,
		'月': 2629800000,
		'天': 86400000,
		'小时': 3600000,
		'分钟': 60000,
		'秒': 1000
	},
	humanize: function (milliseconds) {
		var humanize = '';
		for (var key in this.UNITS) {
			if (milliseconds >= this.UNITS[key]) {
				humanize = Math.floor(milliseconds / this.UNITS[key]) + key + '前';
				break;
			}
		}
		return humanize || '刚刚';
	},
	format: function (dateStr) {
		var date = this.parse(dateStr)
		var diff = Date.now() - date.getTime();
		if (diff < this.UNITS['天']) {
			return this.humanize(diff);
		}
		var _format = function (number) {
			return (number < 10 ? ('0' + number) : number);
		};
		return date.getFullYear() + '-' + _format(date.getMonth() + 1) + '-' + _format(date.getDay()) + '-' +
			_format(date.getHours()) + ':' + _format(date.getMinutes());
	},
	parse: function (str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串，转化为一个Date对象
		var a = str.split(/[^0-9]/);
		return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
	}
};

function yzyTime(cjsj) {	
	var date = new Date(cjsj * 1000);//时间戳为10位需*1000，时间戳为13位的话不需乘1000
	var Y = date.getFullYear() + '-';
	var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
	var D = (date.getDate() + 1 <= 10 ? '0' + (date.getDate()) : date.getDate()) + ' ';
	var h = (date.getHours() + 1 <= 10 ? '0' + (date.getHours()) : date.getHours()) + ':';
	var m = (date.getMinutes() + 1 <= 10 ? '0' + (date.getMinutes()) : date.getMinutes()) + ':';
	var s = (date.getSeconds() + 1 <= 10 ? '0' + (date.getSeconds()) : date.getSeconds()) + '';
	return Y + M + D + h + m + s;
}
function yzyTimes(cjsj) {	
	var date = new Date(cjsj * 1000);//时间戳为10位需*1000，时间戳为13位的话不需乘1000
	var Y = date.getFullYear() + '-';
	var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
	var D = (date.getDate() + 1 <= 10 ? '0' + (date.getDate()) : date.getDate()) + ' ';
	var h = (date.getHours() + 1 <= 10 ? '0' + (date.getHours()) : date.getHours()) + ':';
	var m = (date.getMinutes() + 1 <= 10 ? '0' + (date.getMinutes()) : date.getMinutes()) + ':';
	var s = (date.getSeconds() + 1 <= 10 ? '0' + (date.getSeconds()) : date.getSeconds()) + '';
	return Y + M + D;
}
module.exports = {
	yzyTime:yzyTime,
	yzyTimes:yzyTimes,
	formatTime:formatTime,
	formatLocation:formatLocation,
	dateUtils:dateUtils
}