/**
 * 构造树型结构数据
 * [label,value,children]
 */
export function handleTree(data: any, id?: string, parentId?: string, children?: string) {
  const config = {
    id: id || 'id',
    parentId: parentId || 'parent_id',
    childrenList: children || 'children',
  }
  const childrenListMap = {}
  const nodeIds = {}
  const tree = []
  for (const d of data) {
    const parentId = d[config.parentId]
    if (childrenListMap[parentId] == null)
      childrenListMap[parentId] = []

    nodeIds[d[config.id]] = d
    childrenListMap[parentId].push(d)
  }
  for (const d of data) {
    const parentId = d[config.parentId]
    if (nodeIds[parentId] == null)
      tree.push(d)
  }
  for (const t of tree)
    adaptToChildrenList(t)

  function adaptToChildrenList(o) {
    o.label = o.name
    o.value = o.name
    if (childrenListMap[o[config.id]] !== null)
      o[config.childrenList] = childrenListMap[o[config.id]]

    if (o[config.childrenList]) {
      for (const c of o[config.childrenList])
        adaptToChildrenList(c)
    }
  }
  return tree
}