const depts = {
    name:'平安大酒店',
    id:'PROPERTY',
    children:[
        {
            name: '财务部',
            id:'FINANCE',
            children:[
                {
                    name:'应收会计',
                    id:'RECEIVABLE',
                },
                {
                    name:'应付会计',
                    id:'PAYABLE',
                },
                {
                    name:'出纳',
                    id:'CASH',
                },
            ]
        },
        {
            name: '销售部',
            id:'SALES',
            children:[
                {
                    name: '客房销售',
                    id:'SALES_ROOMS'
                },
                {
                    name: '宴会销售',
                    id:'SALES_BQT'
                },
                {
                    name:'预订部',
                    id:'RESERVE',
                    children:[
                    ]
                },
            ]
        },
        {
            name: '收益管理',
            id:'REVENUE',
            children:[
            ]
        },
        {
            name: '工程部',
            id:'ENGINEER',
            children:[
            ]
        },
        {
            name: '防损部',
            id:'SECURITY',
            children:[
            ]
        },
        {
            name: '客房部',
            id:'ROOMS',
            children:[
                {
                    name:'前厅部',
                    id:'FO',
                    children:[
                        {
                            name:'前台',
                            id:'FD',
                        },
                        {
                            name:'礼宾部',
                            id:'CONCIERGE',
                        },
                        {
                            name:'行李员',
                            id:'BELL',
                        },
                    ]
                },
                {
                    name:'管家部',
                    id:'HSKP',
                    children:[
                        {
                            name:'管家部 - 公共区域',
                            id:'HSKP_PUB',
                        },
                        {
                            name:'管家部 - 客房',
                            id:'HSKP_ROOMS',
                        },
                    ]
                },
                {
                    name:'总机',
                    id:'CALL',
                    children:[
                    ]
                },
            ]
        },
        {
            name: '餐饮部',
            id:'FB',
            children:[
                {
                    name:'全日餐',
                    id:'ADD',
                },
                {
                    name:'西餐厅',
                    id:'RESTAURANT_1',
                },
                {
                    name:'酒廊',
                    id:'LOUNGE',
                },
                {
                    name:'宴会',
                    id:'BQT',
                },
                {
                    name:'送餐部',
                    id:'IRD',
                },
            ]
        },
        {
            name: '康养',
            id:'WELLNESS',
            children:[
                {
                    name:'健身中心',
                    id:'FIT',
                },
                {
                    name:'泳池',
                    id:'POOL',
                },
                {
                    name:'水疗中心',
                    id:'SPA',
                },
            ]
        },
        {
            name: '人力资源部',
            id:'HR',
            children:[
                
            ]
        },
    ]
} 


const flattenDept = (d:any) => {
    if(d.children){
        return [d, ...d.children.map(flattenDept).flat()]
    }else{
        return [d]
    }
}


const getDepartments = async () => {
    return depts
}
const getParentDepartments = async (target:string) => {
    const d = await getDepartments()
    const recurse = (dArray:any[]) => {
        const tail = dArray[dArray.length - 1]
        if(!tail){
            return []
        }else if(tail.name == target){
            return dArray
        }else if(tail.children && tail.children.length > 0){
            for(let i = 0; i < tail.children.length; i++){
                const childRes = recurse([tail.children[i]])
                if(childRes.length > 0){
                    return [...dArray, ...childRes]
                }
            }
            return []
        }else{
            return []
        }
    }
    return recurse([d])
}

const getFlatDepartments = async () => {
    const flatDepts = await flattenDept(depts)
    return flatDepts
}

const getDeptMappings = async () => {
    const flatDepts = await flattenDept(depts)
    console.log('flatDepts', flatDepts)
    const out = {}
    flatDepts.forEach(r=>{
        out[r.id] = r.name
    })
    return out
}

const getChildrenDepts = async (id) => {
    const flatDepts = await flattenDept(depts)
    const foundDept = flatDepts.find(d=>d.id == id)
    if(foundDept) {
        return await flattenDept(foundDept)
    }else{
        return []
    }
}

export {
    depts,
    getDepartments,
    getParentDepartments,
    getFlatDepartments,
    getDeptMappings,
    getChildrenDepts
}