export interface Base {
  id: number
  createdAt: string | null
  updatedAt: string | null
  deletedAt?: string | null
}

export interface CodeName {
  name: string
  code: string
}

export interface TreeItem {
  value: string
  label: string
  hasChildren: boolean
  children?: TreeItem[]
}

export function genBase(): Base {
  return {
    id: 0,
    createdAt: '',
    updatedAt: '',
  }
}

export type WithBase<T extends Base> = Omit<T, keyof Base> & Required<Base>

/**
 * The function `withBase` sets default values for item properties if not provided.
 * @param item - The `withBase` function takes in an optional parameter `item`, which is a
 * partial object of type `T`. The function merges the properties of `item` with default values for
 * `id`, `createdAt`, `updatedAt`, and `deletedAt`. The function then returns an object of type
 * @returns The `withBase` function returns an object with default values for the properties
 * `id`, `createdAt`, `updatedAt`, and `deletedAt`, along with any additional properties provided in
 * the `item` parameter. The returned object has a type `WithBase<T>`, which extends `T` and
 * includes the default properties.
 */
export function withBase<T extends Base>(item: Partial<T> = {}): WithBase<T> {
  return {
    id: 0,
    createdAt: null,
    updatedAt: null,
    deletedAt: null,
    ...item,
  } as WithBase<T>
}