/**
 * 解析参数
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
	url = url == null ? window.location.href : url
	const search = url.substring(url.lastIndexOf('?') + 1)
	const obj = {}
	const reg = /([^?&=]+)=([^?&=]*)/g
	search.replace(reg, (rs, $1, $2) => {
		const name = decodeURIComponent($1)
		let val = decodeURIComponent($2)
		val = String(val)
		obj[name] = val
		return rs
	})
	return obj
}

/**
 * 返回字符串的大小byte
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
	// returns the byte length of an utf8 string
	let s = str.length
	for (var i = str.length - 1; i >= 0; i--) {
		const code = str.charCodeAt(i)
		if (code > 0x7f && code <= 0x7ff) s++
		else if (code > 0x7ff && code <= 0xffff) s += 2
		if (code >= 0xDC00 && code <= 0xDFFF) i--
	}
	return s
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
	const newArray = []
	for (let i = 0; i < actual.length; i++) {
		if (actual[i]) {
			newArray.push(actual[i])
		}
	}
	return newArray
}

/**
 * 将json换成get传参
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
	if (!json) return ''
	return cleanArray(
		Object.keys(json).map(key => {
			if (json[key] === undefined) return ''
			return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
		})
	).join('&')
}

/**
 * 将url参数提取出来
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
	const search = url.split('?')[1]
	if (!search) {
		return {}
	}
	return JSON.parse(
		'{"' +
		decodeURIComponent(search)
		.replace(/"/g, '\\"')
		.replace(/&/g, '","')
		.replace(/=/g, '":"')
		.replace(/\+/g, ' ') +
		'"}'
	)
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
	const div = document.createElement('div')
	div.innerHTML = val
	return div.textContent || div.innerText
}

/**
 * 对象去重合并
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
	if (typeof target !== 'object') {
		target = {}
	}
	if (Array.isArray(source)) {
		return source.slice()
	}
	Object.keys(source).forEach(property => {
		const sourceProperty = source[property]
		if (typeof sourceProperty === 'object') {
			target[property] = objectMerge(target[property], sourceProperty)
		} else {
			target[property] = sourceProperty
		}
	})
	return target
}

/**
 * 移除和添加className
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
	if (!element || !className) {
		return
	}
	let classString = element.className
	const nameIndex = classString.indexOf(className)
	if (nameIndex === -1) {
		classString += ' ' + className
	} else {
		classString =
			classString.substr(0, nameIndex) +
			classString.substr(nameIndex + className.length)
	}
	element.className = classString
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
	if (type === 'start') {
		return new Date().getTime() - 3600 * 1000 * 24 * 90
	} else {
		return new Date(new Date().toDateString())
	}
}

/**
 * 防抖
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
	let timeout, args, context, timestamp, result
	const later = function() {
		// 据上一次触发时间间隔
		const last = +new Date() - timestamp
		// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
		if (last < wait && last > 0) {
			timeout = setTimeout(later, wait - last)
		} else {
			timeout = null
			// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
			if (!immediate) {
				result = func.apply(context, args)
				if (!timeout) context = args = null
			}
		}
	}

	return function(...args) {
		context = this
		timestamp = +new Date()
		const callNow = immediate && !timeout
		// 如果延时不存在，重新设定延时
		if (!timeout) timeout = setTimeout(later, wait)
		if (callNow) {
			result = func.apply(context, args)
			context = args = null
		}
		return result
	}
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * 深拷贝
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
	if (!source && typeof source !== 'object') {
		throw new Error('error arguments', 'deepClone')
	}
	const targetObj = source.constructor === Array ? [] : {}
	Object.keys(source).forEach(keys => {
		if (source[keys] && typeof source[keys] === 'object') {
			targetObj[keys] = deepClone(source[keys])
		} else {
			targetObj[keys] = source[keys]
		}
	})
	return targetObj
}

/**
 * 去重
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
	return Array.from(new Set(arr))
}

/**
 * 创建唯一随机数
 * @returns {string}
 */
export function createUniqueString() {
	const timestamp = +new Date() + ''
	const randomNum = parseInt((1 + Math.random()) * 65536) + ''
	return (+(randomNum + timestamp)).toString(32)
}

/**
 * Check if an element has a class
 * 判断是否含有该className
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
	return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}

/**
 * Add class to element
 * 添加className
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
	if (!hasClass(ele, cls)) ele.className += ' ' + cls
}

/**
 * Remove class from element
 * 移除classNmae
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
	if (hasClass(ele, cls)) {
		const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
		ele.className = ele.className.replace(reg, ' ')
	}
}

/**
 * 根据树子节点ID查找所有父节点ID
 * @param {array} dataSource 树形结构数据源
 * @param {number} nodeId 子节点ID
 * @returns {array} 包含所有父节点ID的数组，按照从根节点到直接父节点的顺序排序
 */
export function findParentIds(dataSource, nodeId) {
	const parentIds = []; // 用于存储所有父节点ID的数组

	// 定义一个递归函数，用于遍历整棵树并查找子节点的所有父节点
	function traverse(node, nodeId) {
		if (node.id === nodeId) { // 如果当前节点的ID等于子节点的ID，则表示已经找到了子节点，可以开始向上查找父节点
			return true; // 返回true表示已经找到了子节点
		}
		if (node.children) { // 如果当前节点有子节点，则继续遍历子节点
			for (const childNode of node.children) {
				if (traverse(childNode, nodeId)) { // 如果在子节点中找到了子节点的父节点，则将当前节点的ID添加到父节点ID数组中，并返回true表示已经找到了子节点
					parentIds.unshift(node.id);
					return true;
				}
			}
		}
		return false; // 如果当前节点不是子节点的父节点，则返回false
	}
	// 从根节点开始遍历整棵树，并调用递归函数查找子节点的所有父节点
	for (const node of dataSource) {
		if (traverse(node, nodeId)) { // 如果在当前节点的子树中找到了子节点的父节点，则直接退出循环
			break;
		}
	}
	parentIds.push(nodeId);
	return parentIds; // 返回所有父节点ID的数组
}

/**
 * 获取所有子集
 * @param {array} dataSource 树形结构数据源
 * @returns {array} 包含所有父节点ID的数组，按照从根节点到直接父节点的顺序排序
 */
export function steamroller(dataSource) {
	let newArr = []
	let flat = function(item) {
		for (var i = 0; i < item.length; i++) {
			if (Array.isArray(item[i].children)) {
				flat(item[i].children)
			} else {
				newArr.push(item[i])
			}
		}
	}
	flat(dataSource);
	return newArr
}
/**
 * 根据树子节点查找所有父节点
 * @param {array} dataSource 树形结构数据源
 * @param {number} nodeId 子节点ID
 * @returns {array} 包含所有父节点ID的数组，按照从根节点到直接父节点的顺序排序
 */
export function findParent(dataSource, node) {
	const parent = []; // 用于存储所有父节点ID的数组
	// 定义一个递归函数，用于遍历整棵树并查找子节点的所有父节点
	function traverse(child, node) {
		if (child.id === node.id) { // 如果当前节点的ID等于子节点的ID，则表示已经找到了子节点，可以开始向上查找父节点
			return true; // 返回true表示已经找到了子节点
		}
		if (child.children) { // 如果当前节点有子节点，则继续遍历子节点
			for (const childNode of child.children) {
				if (traverse(childNode, node)) { // 如果在子节点中找到了子节点的父节点，则将当前节点的ID添加到父节点ID数组中，并返回true表示已经找到了子节点
					parent.unshift(child);
					return true;
				}
			}
		}
		return false; // 如果当前节点不是子节点的父节点，则返回false
	}
	// 从根节点开始遍历整棵树，并调用递归函数查找子节点的所有父节点
	for (const child of dataSource) {
		if (traverse(child, node)) { // 如果在当前节点的子树中找到了子节点的父节点，则直接退出循环
			break;
		}
	}
	parent.push(node);
	return parent; // 返回所有父节点ID的数组
}
/**
 * 返回项目单位工程房间的层级关系
 * @param {array} data 树形结构数据源
 * @returns {array} 
 */
export function roomList(data) {
	let newArr = JSON.parse(JSON.stringify(data));
	let index = 1;
	newArr = newArr.map(item => {
		item['projectItemId'] = item['id'];
		item['id'] = index;
		item['projectItem'] = item;
		item['optionName'] = item['name'];
		index++;
		item['children'] = item.projectItemTargetList.map(target => {
			target['projectItemTargetId'] = target['id'];
			target['id'] = index;
			target['projectItem'] = item;
			target['optionName'] = target['name'];
			index++;
			target['children'] = target.projectItemTargetRoomList.map(room => {
				room['roomId'] = room['id'];
				room['id'] = index;
				room['projectItem'] = item;
				room['projectItemTarget'] = target;
				room['optionName'] = room['roomNumber'];
				index++;
				return room;
			})
			return target
		})
		return item;
	})
	return newArr;
}
/**
 * 返回项目单位工程房间选择的层级关系
 * @param {array} data 树形结构数据源
 * @returns {array} 
 */
export function roomCheckedList(data, roomIds) {
	let newArr = JSON.parse(JSON.stringify(data));
	let index = 1;
	newArr = newArr.map(item => {
		item['projectItemId'] = item['id'];
		item['id'] = index;
		item['projectItem'] = item;
		item['optionName'] = item['name'];
		index++;
		item['children'] = item.projectItemTargetList.map(target => {
			target['projectItemTargetId'] = target['id'];
			target['id'] = index;
			target['projectItem'] = item;
			target['optionName'] = target['name'];
			index++;
			target['children'] = target.projectItemTargetRoomList.map(room => {
				room['roomId'] = room['id'];
				room['id'] = index;
				room['projectItem'] = item;
				room['projectItemTarget'] = target;
				room['optionName'] = room['roomNumber'];
				index++;
				return room;
			}).filter(room => roomIds.filter(node => node == room.roomId).length > 0);
			return target
		}).filter(target => target.children.length > 0);
		return item;
	}).filter(target => target.children.length > 0);
	return newArr;
}
/**
 * 返回sheet去除data里null数据
 * @param {array} data 结构数据源
 * @returns {array} 
 */
export function sheetDataRemoveNull(data) {
	let newArr = JSON.parse(JSON.stringify(data));
	for (let i = 0; i < newArr.length; i++) {
		for (let j = 0; j < newArr[i].data.length; j++) {
			newArr[i].data[j] = newArr[i].data[j].filter(node => node);
		}
	}
	return newArr;
}
/**
 * 返回sheet添加data里null数据
 * @param {array} data 结构数据源
 * @returns {array} 
 */
export function sheetDataAddNull(data) {
	let newArr = JSON.parse(JSON.stringify(data));
	for (let i = 0; i < newArr.length; i++) {
		for (let j = 0; j < newArr[i].data.length; j++) {
			for (let k = 0; k < 64; k++) {
				if (!newArr[i].data[j][k]) newArr[i].data[j].push(null)
			}
		}
	}
	return newArr;
}
/* 
 * 整理数据 
 */
export function constData(documentElement) {
	let obj = {};
	for (var i = 0; i < documentElement.length; i++) {
		let elem = documentElement[i];
		let id = elem.getAttribute('id'),
			name = elem.getAttribute('updatetype');
		if (!name || name == 'null' || elem.innerText == '申请盖章' || elem.innerText == '确认签名' || elem.innerText ==
			'使用注册章')
			continue;
		if (!obj[name]) obj[name] = {};
		if (elem.getElementsByTagName("img").length > 0 && name == 'seal') {
			if (!!elem.getElementsByTagName("img")[0].id) obj[name][id] = elem.getElementsByTagName("img")[0].id;
			continue;
		}
		if (elem.getElementsByTagName("img").length > 0 && name == 'sealperson') {
			if (!!elem.getElementsByTagName("img")[0].id) obj[name][id] = elem.getElementsByTagName("img")[0].id;
			continue;
		}
		if (elem.getElementsByTagName("img").length > 0 && name == 'sign') {
			if (!!elem.getElementsByTagName("img")[0].getAttribute('src')) obj[name][id] = elem.getElementsByTagName(
				"img")[0].getAttribute('src');
			continue;
		}
		if (elem.getElementsByTagName("img").length > 0 && name == 'signQR') {
			if (!!elem.getElementsByTagName("img")[0].getAttribute('src')) obj[name][id] = elem.getElementsByTagName(
				"img")[0].getAttribute('src');
			continue;
		}
		if (elem.getElementsByTagName("img").length > 0 && name == 'copyImage') {
			if (!!elem.getElementsByTagName("img")[0].getAttribute('src')) obj[name][id] = elem.getElementsByTagName(
				"img")[0].getAttribute('src');
			continue;
		}
		if (elem.innerText != '申请盖章' && elem.innerText != '确认签名' && elem.innerText != '使用注册章' && elem.innerText !=
			'上传图片') obj[name][id] = elem.innerText == null ? '' : elem.innerText;
	}
	return obj;
}
/* 
 * 下载文件
 * 
 */
export function downloadFileDom(data, fileName) {
	let blob = new Blob([data], {
		type: 'application/octet-stream'
	}); // 转化为blob对象
	if (typeof window.navigator.msSaveBlob !== 'undefined') {
		window.navigator.msSaveBlob(blob, fileName);
	} else {
		var blobURL = window.URL.createObjectURL(blob); // 将blob对象转为一个URL
		var tempLink = document.createElement('a'); // 创建一个a标签
		tempLink.style.display = 'none';
		tempLink.href = blobURL;
		tempLink.setAttribute('download', fileName); // 给a标签添加下载属性
		if (typeof tempLink.download === 'undefined') {
			tempLink.setAttribute('target', '_blank');
		}
		document.body.appendChild(tempLink); // 将a标签添加到body当中
		tempLink.click(); // 启动下载
		document.body.removeChild(tempLink); // 下载完毕删除a标签
		window.URL.revokeObjectURL(blobURL);
	}
}