import moment from 'moment'

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]);
	}
};
/**
 *对Date的扩展，将 Date 转化为指定格式的String
 *月(M)、日(d)、小时(h)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符，
 *年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字)
 *例子：
 *(new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423
 *(new Date()).Format("yyyy-M-d h:m:s.S")      ==> 2006-7-2 8:9:4.18
 */
Date.prototype.Format = function(fmt) { //author: meizz 
	var o = {
		"M+": this.getMonth() + 1, //月份 
		"d+": this.getDate(), //日 
		"H+": this.getHours(), //小时 
		"m+": this.getMinutes(), //分 
		"s+": this.getSeconds(), //秒 
		"q+": Math.floor((this.getMonth() + 3) / 3), //季度 
		"S": this.getMilliseconds() //毫秒 
	};
	if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
	for (var k in o)
		if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : ((
			"00" + o[
				k]).substr(("" + o[k]).length)));
	return fmt;
}
Array.prototype.indexOf = function(val) {
	for (var i = 0; i < this.length; i++) {
		if (this[i] == val) {
			return i;
		}
	}
	return -1;
}
Array.prototype.remove = function(val) {
	var index = this.indexOf(val);
	if (index > -1) {
		this.splice(index, 1);
	}
}
String.prototype.Trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.LTrim = function() {
	return this.replace(/(^\s*)/g, "");
}
String.prototype.RTrim = function() {
	return this.replace(/(\s*$)/g, "");
}

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

function objectToUrlParams(obj) {
	var str = "";
	for (var key in obj) {
		str += "&" + key + "=" + obj[key];
	}
	return str.substr(1);
}

function getDate(type) {
	const date = new Date();
	let year = date.getFullYear();
	let month = date.getMonth() + 1;
	let day = date.getDate();
	if (type === 'start') {
		year = year - 60;
	} else if (type === 'end') {
		year = year + 2;
	}
	month = month > 9 ? month : '0' + month;
	day = day > 9 ? day : '0' + day;
	return `${year}-${month}-${day}`;
}

function formatDate(date, type = 2) {
	if (type === 1) {
		return moment(date).format('HH:mm')
	} else if (type === 2) {
		return moment(date).format('YYYY-MM-DD HH:mm')
	} else if (type === 3) {
		return moment(date).format('YYYY.MM.DD')
	} else if (type === 4) {
		return moment(date).format('HH:mm:ss')
	} else if (type === 5) {
		return moment(date).format('YYYY-MM-DD HH:mm:ss')
	} else if (type === 6) {
		const result = moment(date).format('M月DD日 Ah:mm')
		return result.includes('PM') ? result.replace('PM', '下午') : result.replace('AM', '上午')
	} else if (type === 7) {
		return moment(date).format('MM-DD HH:mm')
	} else if (type === 8) {
		return moment(date).format('YYYY年MM月DD日')
	} else if(type === 9) {
		return moment(date).format('YYYY-MM-DD HH:mm:ss ddd')
	} else {
		return moment(date).locale().format('YYYY-MM-DD HH:mm:ss')
	}
}

/*获取当前时间*/
function getNowTime() {
	return Math.round(new Date().getTime() / 1000)
}

// 判断是否在签到时间内
function signBetweenTime(beginTime = undefined, endTime = undefined) {
	return new moment().isBetween(beginTime, endTime, null, '[]')
}

// 比较时间在此之前
function isBefore(time = undefined, cTime = undefined) {
	if(!cTime) {
		return new moment().isBefore(time)
	}
	return new moment(cTime).isBefore(time)
}

function isAfter(time = undefined, cTime = undefined) {
	if(!cTime) {
		return new moment().isAfter(time)
	}
	return new moment(cTime).isAfter(time)
}

function openDocument(urlPath) {
	// #ifdef APP
	uni.$u.toast('正在加载文件...')
	uni.downloadFile({
		url: urlPath,
		success: function(res) {
			uni.$u.toast('文件加载成功')
			const filePath = res.tempFilePath
			uni.openDocument({
				filePath,
				showMenu: true,
				success: function(res) {
					console.log('打开文档成功')
				}
			})
		}
	})
	// #endif
	// #ifndef APP
	uni.openDocument({
		filePath: urlPath
	})
	// #endif
}

// 金额小数点格式化, len是需要精确的小数点位数
function toFixedFun(data, len) {
	const number = Number(data);
	if (isNaN(number) || number >= Math.pow(10, 21)) {
		return number.toString();
	}
	if (typeof(len) === 'undefined' || len === 0) {
		return (Math.round(number)).toString();
	}
	let result = number.toString();
	const numberArr = result.split('.');

	if (numberArr.length < 2) {
		// 整数的情况
		return padNum(result);
	}
	const intNum = numberArr[0]; // 整数部分
	const deciNum = numberArr[1]; // 小数部分
	const lastNum = deciNum.substr(len, 1); // 最后一个数字

	if (deciNum.length === len) {
		// 需要截取的长度等于当前长度
		return result;
	}
	if (deciNum.length < len) {
		// 需要截取的长度大于当前长度 1.3.toFixed(2)
		return padNum(result);
	}
	// 需要截取的长度小于当前长度，需要判断最后一位数字
	result = `${intNum}.${deciNum.substr(0, len)}`;
	if (parseInt(lastNum, 10) >= 5) {
		// 最后一位数字大于5，要进位
		const times = Math.pow(10, len); // 需要放大的倍数
		let changedInt = Number(result.replace('.', '')); // 截取后转为整数
		changedInt++; // 整数进位
		changedInt /= times; // 整数转为小数，注：有可能还是整数
		result = padNum(`${changedInt }`);
	}
	return result;
	// 对数字末尾加0
	function padNum(num) {
		const dotPos = num.indexOf('.');
		if (dotPos === -1) {
			// 整数的情况
			num += '.';
			for (let i = 0; i < len; i++) {
				num += '0';
			}
			return num;
		} else {
			// 小数的情况
			const need = len - (num.length - dotPos - 1);
			for (let j = 0; j < need; j++) {
				num += '0';
			}
			return num;
		}
	}
}

// 格式化手机号码*
function formatPhone(value) {
	if(!value) return ''
	if(value.toString().trim().length != 11) {
		return value
	}
	const phone = value.toString().trim().split('')
	phone.splice(3,4,'****')
	return phone.join('')
}

// 格式化身份证号*
function formatIdCard(value) {
	if(!value) return ''
	const valueStr = value.toString().trim()
	if(valueStr.length != 18) {
		return value
	}
	const idcard = value.toString().trim().split('')
	idcard.splice(6,8,'********')
	return idcard.join('')
}

module.exports = {
	formatTime: formatTime,
	formatLocation: formatLocation,
	dateUtils: dateUtils,
	objectToUrlParams: objectToUrlParams,
	getDate: getDate,
	getNowTime: getNowTime,
	formatDate: formatDate,
	openDocument: openDocument,
	signBetweenTime: signBetweenTime,
	isBefore: isBefore,
	isAfter: isAfter,
	toFixedFun: toFixedFun,
	formatPhone: formatPhone,
	formatIdCard: formatIdCard
}