import { DataNode } from 'ant-design-vue/es/vc-tree/interface'
import { map, pick } from 'lodash-es'
import { array2tree } from '@axolo/tree-array'

export interface buildNodeOption {
  labelField: string
  idKeyField: string
  valueField: string
  parentKeyField: string
  defaultValue?: string | object
  childrenKeyField: string
}

export function buildDataNode(data: any, options: buildNodeOption): DataNode[] {
  const treeNodeData = map(data, (obj) => {
    const tmpData = pick(obj, [
      options.labelField,
      options.idKeyField,
      options.valueField,
      options.parentKeyField,
    ])
    Object.keys(tmpData).forEach((e) => {
      if (e === options.labelField) {
        tmpData['title'] = tmpData[e]
        delete tmpData[e]
      } else if (e === options.valueField) {
        tmpData['key'] = tmpData[e]
        if (e !== options.idKeyField && e !== options.parentKeyField) {
          delete tmpData[e]
        }
      }
    })
    return tmpData
  })

  const treeConv = array2tree(treeNodeData, {
    idKey: options.idKeyField,
    parentKey: options.parentKeyField,
    childrenKey: options.childrenKeyField,
  })

  // add default label
  if (options.defaultValue) {
    treeConv.push(options.defaultValue)
  }
  return treeConv as DataNode[]
}

// buildTreeNode returns treeData for tree select from data
export function buildTreeNode(data: any, options: buildNodeOption): Recordable[] {
  const treeNodeData = map(data, (obj) => {
    const tmpData = pick(obj, [
      options.labelField,
      options.idKeyField,
      options.valueField,
      options.parentKeyField,
    ])
    Object.keys(tmpData).forEach((e) => {
      if (e === options.labelField) {
        tmpData['label'] = tmpData[e]
        delete tmpData[e]
      } else if (e === options.valueField) {
        tmpData['value'] = tmpData[e]
        if (e !== options.idKeyField && e !== options.parentKeyField) {
          delete tmpData[e]
        }
      }
    })
    return tmpData
  })

  const treeConv = array2tree(treeNodeData, {
    idKey: options.idKeyField,
    parentKey: options.parentKeyField,
    childrenKey: options.childrenKeyField,
  })

  // add default label
  if (options.defaultValue) {
    treeConv.push(options.defaultValue)
  }
  return treeConv as Recordable[]
}