import {Session} from "/@/utils/storage";

/**
 * 通用js方法封装处理
 * Copyright (c) 2022 gfast
 */

export const baseURL:string|undefined|boolean = import.meta.env.VITE_API_URL


export function getUpFileUrl(url:string){
    if(!url){
        return url
    }
    if (/^http|^blob/i.test(url)) {
        return url
    }
    let reg = new RegExp('^/*' + baseURL + "/*");
    return baseURL+url.replace(reg,'')
}



/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 * @param {*} rootId 根Id 默认 0
 */
export function handleTree(data:any[], id:string, parentId:string, children:string, rootId:any):any[] {
	id = id || 'id'
	parentId = parentId || 'parentId'
	children = children || 'children'
	let rootIds:any = []
	if(typeof rootId === 'boolean' && rootId){
		//自动获取rootId
		let idSet:any = {}
		data.map((item:any)=>{
			idSet[item[id]] = true
		})
		data.map((item:any)=>{
			if(!idSet[item[parentId]]){
				rootIds.push(item[parentId])
			}
		})
	}else if(typeof rootId ==='string'){
		rootId = rootId || ''
		rootIds = [rootId]
	}else{
		rootId = rootId || 0
		rootIds = [rootId]
	}
	rootIds = [...new Set(rootIds)]
	let treeData:any = []
	//对源数据深度克隆
	const cloneData = JSON.parse(JSON.stringify(data))
	rootIds.map((rItem:any)=>{
		//循环所有项
		const td =  cloneData.filter((father:any) => {
			let branchArr = cloneData.filter((child:any) => {
				//返回每一项的子级数组
				return father[id] === child[parentId]
			});
			branchArr.length > 0 ? father[children] = branchArr : '';
			//返回第一层
			switch (typeof father[parentId]){
				case 'string':
					if(father[parentId]===''&&rItem===0){
						return true
					}
					return father[parentId]===rItem.toString();
				case 'number':
					return father[parentId] === rItem;
			}
			return false;
		});
		if(td.length>0){
			treeData = [...treeData,...td]
		}
	})
	return treeData != '' ? treeData : data;
}

export function flattenTree(treeArray:any[]):any[] {
    const result:any[] = [];

    function flatten(node:any) {
        result.push(node);
        if (node.children && node.children.length > 0) {
            node.children.forEach((child:any[]) => flatten(child));
        }
    }
    treeArray.forEach(node => flatten(node));
    return result;
}

export function findChildrenByPid(pid:any, flattenedArray :any[]):any[] {
    const result:any[] = [];
    flattenedArray.forEach(node => {
        if (node.pid === pid) {
            result.push(node);
            const grandchildren = findChildrenByPid(node.id, flattenedArray);
            if (grandchildren.length > 0) {
                result.push(...grandchildren);
            }
        }
    });
    return result;
}


// 回显数据字典
export function selectDictLabel(data:any[], value:string):string {
    let actions:string[]=[]
    data.map((item) => {
        if (item.value == value) {
            actions.push(item.label);
            return false;
        }
    })
    return actions.join('');
}

export function getToken():string{
    return Session.get('token')
}

// 日期格式化
export function parseTime(time:any, pattern:string) {
    if (arguments.length === 0 || !time) {
        return null
    }
    const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
        date = time
    } else {
        if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
            time = parseInt(time)
        } else if (typeof time === 'string') {
            time = time.replace(new RegExp(/-/gm), '/');
        }
        if ((typeof time === 'number') && (time.toString().length === 10)) {
            time = time * 1000
        }
        date = new Date(time)
    }
    const formatObj:any = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay()
    }
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
        let value = formatObj[key]
        // Note: getDay() returns 0 on Sunday
        if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
        if (result.length > 0 && value < 10) {
            value = '0' + value
        }
        return value || 0
    })
    return time_str
}