export const calcDate = (date1, date2) => {
	let date3 = date2 - date1;

	let days = Math.floor(date3 / (24 * 3600 * 1000))

	let leave1 = date3 % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
	let hours = Math.floor(leave1 / (3600 * 1000))

	let leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
	let minutes = Math.floor(leave2 / (60 * 1000))

	let leave3 = leave2 % (60 * 1000) //计算分钟数后剩余的毫秒数
	let seconds = Math.round(date3 / 1000)
	return {
		leave1,
		leave2,
		leave3,
		days: days,
		hours: hours,
		minutes: minutes,
		seconds: seconds,
	}
}

/**
 * 日期格式化
 */
export function dateFormat(date, format) {
	format = format || 'yyyy-MM-dd hh:mm:ss';
	if (date !== 'Invalid Date') {
		let o = {
			"M+": date.getMonth() + 1, //month
			"d+": date.getDate(), //day
			"h+": date.getHours(), //hour
			"m+": date.getMinutes(), //minute
			"s+": date.getSeconds(), //second
			"q+": Math.floor((date.getMonth() + 3) / 3), //quarter
			"S": date.getMilliseconds() //millisecond
		}
		if (/(y+)/.test(format)) format = format.replace(RegExp.$1,
			(date.getFullYear() + "").substr(4 - RegExp.$1.length));
		for (let k in o)
			if (new RegExp("(" + k + ")").test(format))
				format = format.replace(RegExp.$1,
					RegExp.$1.length === 1 ? o[k] :
					("00" + o[k]).substr(("" + o[k]).length));
		return format;
	}
	return '';

}

export function convertTimestampToDate(timestamp, format) {
	if (timestamp && (typeof timestamp === "string") && timestamp.indexOf("-") > -1) {
		timestamp = timestamp.replace(/\-/g, "/")
	}
	let time = new Date(timestamp)
	let formatterTime = dateFormat(time, format)
	return formatterTime
}


//时间戳获取时间
function timeData(time) {
	var date
	if (time) {
		date = new Date(time);
	} else {
		date = new Date();
	}
	const Y = date.getFullYear()
	const M = date.getMonth() + 1
	const MM = (date.getMonth() + 1 < 10) ? '0' + (date.getMonth() + 1) : date.getMonth() + 1
	const D = date.getDate()
	const DD = (date.getDate() < 10 ? "0" + date.getDate() : date.getDate());
	const h = date.getHours()
	const hh = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours())
	const m = date.getMinutes()
	const mm = (date.getMinutes() < 10 ?
		"0" + (date.getMinutes()) :
		date.getMinutes());
	const s = date.getSeconds()
	const ss = (date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds());
	return {
		Y,
		M,
		MM,
		D,
		DD,
		h,
		hh,
		m,
		mm,
		s,
		ss
	}
}

// 获取月天时分
export const TimeMinute = (timestamp) => {
	if (!timestamp) return
	// 时间戳为10位需*1000，时间戳为13位不需乘1000
	var date = new Date(timestamp);
	var Y = date.getFullYear() + "-";
	var M =
		(date.getMonth() + 1 < 10 ?
			"0" + (date.getMonth() + 1) :
			date.getMonth() + 1) + "-";
	var D = (date.getDate() < 10 ? "0" + date.getDate() : date.getDate()) + " ";
	var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ":";
	var m = (date.getMinutes() < 10 ?
		"0" + (date.getMinutes()) :
		date.getMinutes());
	var s = (date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds());
	return M + D + h + m
}

//获取八点-当前时间或者昨天8点到今天7点时间
export const getEightHourTime = (time) => {
	const {
		Y,
		M,
		MM,
		DD,
		D,
		hh,
		h,
		mm,
		m,
		ss,
		s
	} = timeData(time)
	const now = `${Y}-${MM}-${DD} ${hh}:00:00`
	if (h > 8) {
		const before = `${Y}-${MM}-${DD} 08:00:00`
		return [before, now]
	} else {
		if (D - 1 > 0) {
			const yesD = (DD - 1 < 10) ? ('0' + DD - 1) : DD - 1
			const yesterday = `${Y}-${MM}-${yesD} 09:00:00`
			return [yesterday, now]
		} else {
			if (MM - 1 > 0) {
				const yesMM = (MM - 1 < 10) ? ('0' + MM - 1) : MM - 1
				const yesDay = new Date(Y, yesMM, 0).getDate()
				const lastMonDay = `${Y}-${yesMM}-${yesDay} 09:00:00`
				return [lastMonDay, now]
			} else {
				const lastY = Y - 1
				const lastYDay = `${lastY}-12-31 09:00:00`
				return [lastYDay, now]
			}
		}
	}
}

export const timestampToMinute = (timestamp) => {
	if (!timestamp) return
	// 时间戳为10位需*1000，时间戳为13位不需乘1000
	var date = new Date(timestamp);
	var Y = date.getFullYear() + "-";
	var M =
		(date.getMonth() + 1 < 10 ?
			"0" + (date.getMonth() + 1) :
			date.getMonth() + 1) + "-";
	var D = (date.getDate() < 10 ? "0" + date.getDate() : date.getDate()) + " ";
	var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ":";
	var m = (date.getMinutes() < 10 ?
		"0" + (date.getMinutes()) :
		date.getMinutes());
	var s = (date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds());
	return Y + M + D + h + m;
}

export const timestampToTime = (timestamp) => {
	if (!timestamp) return
	// 时间戳为10位需*1000，时间戳为13位不需乘1000
	var date = new Date(timestamp);
	var Y = date.getFullYear() + "-";
	var M =
		(date.getMonth() + 1 < 10 ?
			"0" + (date.getMonth() + 1) :
			date.getMonth() + 1) + "-";
	var D = (date.getDate() < 10 ? "0" + date.getDate() : date.getDate()) + " ";
	var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ":";
	var m = (date.getMinutes() < 10 ?
		"0" + (date.getMinutes()) :
		date.getMinutes());
	var s = (date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds());
	return Y + M + D
}

export const getTimeBefore = (n = 8) => {
	const nowStamp = new Date().getTime()
	const beforeStamp = nowStamp - (n * 60 * 60 * 1000)
	const nowTime = timeStampTosecond(nowStamp + 1000 * 60 * 60)
	const beforeTime = timeStampTosecond(beforeStamp)
	return [beforeTime, nowTime]
}

//返回年月日时分秒
export const timeStampTosecond = (timestamp) => {
	if (!timestamp) return
	// 时间戳为10位需*1000，时间戳为13位不需乘1000
	var date = new Date(timestamp);
	var Y = date.getFullYear() + "-";
	var M =
		(date.getMonth() + 1 < 10 ?
			"0" + (date.getMonth() + 1) :
			date.getMonth() + 1) + "-";
	var D = (date.getDate() < 10 ? "0" + date.getDate() : date.getDate()) + " ";
	var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ":";
	var m = (date.getMinutes() < 10 ?
		"0" + (date.getMinutes()) :
		date.getMinutes()) + ':';
	var s = (date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds());
	return Y + M + D + h + "00:00";
}