var btf = {



	// 修改时间显示"最近"
	diffDateExact: function(d, more = false) {
		const dateNow = new Date();
		const datePost = new Date(d);
		const dateDiff = dateNow.getTime() - datePost.getTime();
		const minute = 1000 * 60;
		const hour = minute * 60;
		const day = hour * 24;
		const month = day * 30;

		let result;
		if (more) {
			const monthCount = dateDiff / month;
			const dayCount = dateDiff / day;
			const hourCount = dateDiff / hour;
			const minuteCount = dateDiff / minute;

			if (monthCount >= 1) {
				result = datePost.toLocaleDateString().replace(/\//g, "-");
			} else if (dayCount >= 1) {
				result = parseInt(dayCount) + " " + GLOBAL_CONFIG.date_suffix.day;
			} else if (hourCount >= 1) {
				result = parseInt(hourCount) + " " + GLOBAL_CONFIG.date_suffix.hour;
			} else if (minuteCount >= 1) {
				result = parseInt(minuteCount) + " " + GLOBAL_CONFIG.date_suffix.min;
			} else {
				result = GLOBAL_CONFIG.date_suffix.just;
			}
		} else {
			result = parseInt(dateDiff / day);
		}
		return result;
	},

	loadLightbox: ele => {

		const jqLoadAndRun = () => {
			const $fancyboxEle = GLOBAL_CONFIG.lightbox === 'fancybox' ?
				ele :
				[]
			const fbLengthNoZero = $fancyboxEle.length > 0

			if (fbLengthNoZero) {
				btf.isJqueryLoad(() => {
					fbLengthNoZero && addFancybox($fancyboxEle)
				})
			}
		}

		/**
		 * fancybox
		 */
		const addFancybox = function(ele) {
			const runFancybox = (ele) => {
				ele.each(function(i, o) {
					const $this = $(o)
					const lazyloadSrc = $this.attr('data-lazy-src') || $this.attr('src')
					const dataCaption = $this.attr('alt') || ''
					$this.wrap(
						`<a href="${lazyloadSrc}" data-fancybox="images" data-caption="${dataCaption}" class="fancybox" data-srcset="${lazyloadSrc}"></a>`
						)
				})

				$().fancybox({
					selector: '[data-fancybox]',
					loop: true,
					transitionEffect: 'slide',
					protect: true,
					buttons: ['slideShow', 'fullScreen', 'thumbs', 'close'],
					hash: false
				})
			}

			if (typeof $.fancybox === 'undefined') {
				// $('head').append(`<link rel="stylesheet" type="text/css" href="${GLOBAL_CONFIG.source.fancybox.css}">`)
				$.getScript(`${GLOBAL_CONFIG.source.fancybox.js}`, function() {
					runFancybox($(ele))
				})
			} else {
				runFancybox($(ele))
			}
		}

		jqLoadAndRun()

	},
	debounce: function(func, wait, immediate) {
		let timeout
		return function() {
			const context = this
			const args = arguments
			const later = function() {
				timeout = null
				if (!immediate) func.apply(context, args)
			}
			const callNow = immediate && !timeout
			clearTimeout(timeout)
			timeout = setTimeout(later, wait)
			if (callNow) func.apply(context, args)
		}
	},

	throttle: function(func, wait, options) {
		let timeout, context, args
		let previous = 0
		if (!options) options = {}

		const later = function() {
			previous = options.leading === false ? 0 : new Date().getTime()
			timeout = null
			func.apply(context, args)
			if (!timeout) context = args = null
		}

		const throttled = function() {
			const now = new Date().getTime()
			if (!previous && options.leading === false) previous = now
			const remaining = wait - (now - previous)
			context = this
			args = arguments
			if (remaining <= 0 || remaining > wait) {
				if (timeout) {
					clearTimeout(timeout)
					timeout = null
				}
				previous = now
				func.apply(context, args)
				if (!timeout) context = args = null
			} else if (!timeout && options.trailing !== false) {
				timeout = setTimeout(later, remaining)
			}
		}

		return throttled
	},

	sidebarPaddingR: () => {
		const innerWidth = window.innerWidth
		const clientWidth = document.body.clientWidth
		const paddingRight = innerWidth - clientWidth
		if (innerWidth !== clientWidth) {
			document.body.style.paddingRight = paddingRight + 'px'
		}
	},

	snackbarShow: (text, showActionFunction = false, duration = 2000, actionText = false) => {
		const {
			position,
			bgLight,
			bgDark
		} = GLOBAL_CONFIG.Snackbar;
		const bg = document.documentElement.getAttribute("data-theme") === "light" ? bgLight : bgDark;
		const root = document.querySelector(":root");
		root.style.setProperty("--heo-snackbar-time", duration + "ms");

		Snackbar.show({
			text: text,
			backgroundColor: bg,
			onActionClick: showActionFunction,
			actionText: actionText,
			showAction: actionText,
			duration: duration,
			pos: position,
			customClass: "snackbar-css",
		});
	},

	initJustifiedGallerys: function(selector) {
		selector.forEach((function(t) {
			btf.isHidden(t) || fjGallery(t, {
				itemSelector: ".fj-gallery-item",
				rowHeight: 240,
				gutter: 4,
				onJustify: function() {
					this.$container.style.opacity = "1"
				}
			})
		}))
		document.querySelectorAll('#article-container .loadings')[0]?.classList.remove("loadings");
	},

	diffDate: (d, more = false) => {
		const dateNow = new Date()
		const datePost = new Date(d)
		const dateDiff = dateNow.getTime() - datePost.getTime()
		const minute = 1000 * 60
		const hour = minute * 60
		const day = hour * 24
		const month = day * 30

		let result
		if (more) {
			const monthCount = dateDiff / month
			const dayCount = dateDiff / day
			const hourCount = dateDiff / hour
			const minuteCount = dateDiff / minute

			if (monthCount > 12) {
				// result = datePost.toLocaleDateString().replace(/\//g, '-')
				result = datePost.toLocaleDateString()
			} else if (dayCount >= 7) {
				// } else if (monthCount >= 1) {
				result = datePost.toLocaleDateString().substr(5)
				// result = parseInt(monthCount) + ' ' + GLOBAL_CONFIG.date_suffix.month
			} else if (dayCount >= 1) {
				result = parseInt(dayCount) + '' + GLOBAL_CONFIG.date_suffix.day
			} else if (hourCount >= 1) {
				// result = '最近'
				result = parseInt(hourCount) + ' ' + GLOBAL_CONFIG.date_suffix.hour
			} else if (minuteCount >= 1) {
				// result = '最近'
				result = parseInt(minuteCount) + ' ' + GLOBAL_CONFIG.date_suffix.min
			} else {
				result = GLOBAL_CONFIG.date_suffix.just
			}
		} else {
			result = parseInt(dateDiff / day)
		}
		return result
	},

	loadComment: (dom, callback) => {
		if ('IntersectionObserver' in window) {
			const observerItem = new IntersectionObserver((entries) => {
				if (entries[0].isIntersecting) {
					callback()
					observerItem.disconnect()
				}
			}, {
				threshold: [0]
			})
			observerItem.observe(dom)
		} else {
			callback()
		}
	},


	scrollToDest: (e, t) => {
		if (e < 0 || t < 0)
			return;
		const n = window.scrollY || window.screenTop;
		if (e -= 70,
			"CSS" in window && CSS.supports("scroll-behavior", "smooth"))
			return void window.scrollTo({
				top: e,
				behavior: "smooth"
			});
		let o = null;
		t = t || 500,
			window.requestAnimationFrame((function i(s) {
				if (o = o || s,
					n < e) {
					const r = s - o;
					window.scrollTo(0, (e - n) * r / t + n),
						r < t ? window.requestAnimationFrame(i) : window.scrollTo(0, e)
				} else {
					const r = s - o;
					window.scrollTo(0, n - (n - e) * r / t),
						r < t ? window.requestAnimationFrame(i) : window.scrollTo(0, e)
				}
			}))
	},

	fadeIn: (ele, time) => {
		ele.style.cssText = `display:block;animation: to_show ${time}s`
	},

	fadeOut: (ele, time) => {
		ele.addEventListener('animationend', function f() {
			ele.style.cssText = "display: none; animation: '' "
			ele.removeEventListener('animationend', f)
		})
		ele.style.animation = `to_hide ${time}s`
	},

	getParents: (elem, selector) => {
		for (; elem && elem !== document; elem = elem.parentNode) {
			if (elem.matches(selector)) return elem
		}
		return null
	},

	siblings: (ele, selector) => {
		return [...ele.parentNode.children].filter((child) => {
			if (selector) {
				return child !== ele && child.matches(selector)
			}
			return child !== ele
		})
	},

	/**
	 *
	 * @param {*} selector
	 * @param {*} eleType the type of create element
	 * @param {*} id id
	 * @param {*} cn class name
	 */
	wrap: function(selector, eleType, id = '', cn = '') {
		const creatEle = document.createElement(eleType)
		if (id) creatEle.id = id
		if (cn) creatEle.className = cn
		selector.parentNode.insertBefore(creatEle, selector)
		creatEle.appendChild(selector)
	},

	unwrap: function(el) {
		const elParentNode = el.parentNode
		if (elParentNode !== document.body) {
			elParentNode.parentNode.insertBefore(el, elParentNode)
			elParentNode.parentNode.removeChild(elParentNode)
		}
	},

	isJqueryLoad: (fn) => {
		if (typeof jQuery === 'undefined') {
			getScript(GLOBAL_CONFIG.source.jQuery).then(fn)
		} else {
			fn()
		}
	},

	isHidden: (ele) => ele.offsetHeight === 0 && ele.offsetWidth === 0,

	getEleTop: (ele) => {
		let actualTop = ele.offsetTop
		let current = ele.offsetParent

		while (current !== null) {
			actualTop += current.offsetTop
			current = current.offsetParent
		}

		return actualTop
	},
	//过滤标签
	changeContent: (content, length = null) => {
		if (content === '') return content

		content = content.replace(/<img.*?src="(.*?)"?[^\>]+>/ig, '[图片]') // replace image link
		content = content.replace(/<a[^>]+?href=["']?([^"']+)["']?[^>]*>([^<]+)<\/a>/gi, '[链接]') // replace url
		content = content.replace(/<pre><code>.*?<\/pre>/gi, '[代码]') // replace code
		content = content.replace(/<[^>]+>/g, "") // remove html tag

		if (length != null) {
			if (content.length > length) {
				content = content.substring(0, length) + '...'
			}
		}

		return content
	}

}