import tool from '@/utils/tool'

var Time = {
	//获取当前时间戳
	getUnix: function () {
		var date = new Date();
		return date.getTime();
	},
	//获取今天0点0分0秒的时间戳
	getTodayUnix: function () {
		var date = new Date();
		date.setHours(0);
		date.setMinutes(0);
		date.setSeconds(0);
		date.setMilliseconds(0);
		return date.getTime();
	},
	//获取今年1月1日0点0秒的时间戳
	getYearUnix: function () {
		var date = new Date();
		date.setMonth(0);
		date.setDate(1);
		date.setHours(0);
		date.setMinutes(0);
		date.setSeconds(0);
		date.setMilliseconds(0);
		return date.getTime();
	},
	//获取标准年月日
	getLastDate: function (time, hideY = false) {
		var date = new Date(time);
		var month = date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1;
		var day = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
		var Hour = date.getHours() < 10 ? '0' + date.getHours() : date.getHours();
		var Minute = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes();
		if (hideY) {
			return month + '-' + day + ' ' + Hour + ':' + Minute;
		}
		return date.getFullYear() + '-' + month + '-' + day;
	},
	//转换时间
	getFormateTime: function (timestamp) {
		var now = new Date();
		var todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate());
		var yesterdayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 1);
		var beforeYesterdayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 2);

		timestamp = new Date(timestamp);
		var timer = (now - timestamp) / 1000; // 差值秒数
		var tip = '';

		if (timer <= 0) {
			tip = '刚刚';
		} else if (timer < 60) {
			tip = '刚刚';
		} else if (timer < 3600) {
			tip = Math.floor(timer / 60) + '分钟前';
		} else if (timestamp >= todayStart) {
			tip = Math.floor(timer / 3600) + '小时' + Math.floor((timer % 3600) / 60) + '分前';
		} else if (timestamp >= yesterdayStart) {
			tip = '昨天' + timestamp.getHours() + '时' + timestamp.getMinutes() + '分';
		} else if (timestamp >= beforeYesterdayStart) {
			tip = '前天' + timestamp.getHours() + '时' + timestamp.getMinutes() + '分';
		} else {
			var currentYearStart = new Date(now.getFullYear(), 0, 1);
			return this.getLastDate(timestamp, timestamp >= currentYearStart ? true : false)
		}
		return tip;
	}
}

export default (el, binding) => {
	let { value, modifiers } = binding
	if (!value) {
		return false
	}
	if (value.toString().length == 10) {
		value = value * 1000
	}
	if (modifiers.tip) {

		if (el.__timeout__) {
			clearInterval(el.__timeout__)
		}

		el.innerHTML = Time.getFormateTime(value)
		el.__timeout__ = setInterval(() => {
			el.innerHTML = Time.getFormateTime(value)
		}, 60000)
	} else {
		const format = el.getAttribute('format') || undefined
		el.innerHTML = tool.dateFormat(value, format)
	}
}