import type { SystemModel, TransformData } from '#/api';

export function fromMenus(menus: TransformData[]): SystemModel.Menu[] {
  const getType = (menu: TransformData): SystemModel.Menu['type'] => {
    if (menu.type) return menu.type;
    if (menu.component && menu.children === null) return 'menu';
    return menu.component ? 'catalog' : 'button';
  };
  return Array.isArray(menus)
    ? menus
        .map((menu: TransformData) => {
          menu.meta ??= {};
          menu.meta.order ??= menu?.orderNum ?? -1;
          return {
            type: getType(menu),
            id: menu.id ?? menu.meta.id,
            pid: menu.parentId,
            name: menu.name,
            path: menu.path,
            component: menu.component,
            meta: fromMenuMeta(menu.meta),
            children: fromMenus(menu.children),
          } satisfies SystemModel.Menu;
        })
        .sort((a, b) => (a.meta.order ?? -1) - (b.meta.order ?? -1))
    : [];
}

type MenuMeta = SystemModel.Menu['meta'];

export function getDefaultMenuMeta(meta?: MenuMeta): MenuMeta {
  return Object.assign(
    {
      keepAlive: true,
    },
    meta,
  );
}

function fromMenuMeta(meta: TransformData): MenuMeta {
  return getDefaultMenuMeta(meta satisfies MenuMeta);
}