/** 菜单管理列表加载适配（任务 54）：GET /api/admin/permission-menus(admin) → 展示树。 */
import { http } from '@/api/http'
import { unwrap } from '@/api/envelope'
import {
  ADMIN_MENU_TYPE,
  buildMenuManageTree,
  parseMenuManageItem,
  parseMenuManageList,
  toMenuCreateRequest,
  type MenuManageForm,
  type MenuManageNode,
} from './menu-manage-model'

export const MENUS_ENDPOINT = '/api/admin/permission-menus'

/** 拉取扁平可编辑菜单节点。 */
export async function fetchMenuManageNodes(): Promise<MenuManageNode[]> {
  const { data } = await http.get<unknown>(MENUS_ENDPOINT, { params: { menuType: ADMIN_MENU_TYPE } })
  return parseMenuManageList(data)
}

/** 拉取并按 parentId 组装成展示树。 */
export async function loadMenuManageTree(): Promise<MenuManageNode[]> {
  return buildMenuManageTree(await fetchMenuManageNodes())
}

/** 新建菜单：POST /api/admin/permission-menus，返回后端落库节点。 */
export async function createMenu(form: MenuManageForm): Promise<MenuManageNode> {
  const { data } = await http.post<unknown>(MENUS_ENDPOINT, toMenuCreateRequest(form))
  const created = parseMenuManageItem(unwrap<unknown>(data))
  if (!created) throw new Error('创建菜单响应异常：缺少菜单数据')
  return created
}