import { useMutation, useQueryClient } from '@tanstack/react-query';

import { rsformsApi } from '@/backend/rsform/api';
import { LibraryItemID } from '@/models/library';
import { UserID } from '@/models/user';

import { ossApi } from '../oss/api';
import { libraryApi } from './api';

export const useSetEditors = () => {
  const client = useQueryClient();
  const mutation = useMutation({
    mutationKey: [libraryApi.baseKey, 'set-location'],
    mutationFn: libraryApi.setEditors,
    onSuccess: (_, variables) => {
      const ossKey = ossApi.getOssQueryOptions({ itemID: variables.itemID }).queryKey;
      const ossData = client.getQueryData(ossKey);
      if (ossData) {
        client.setQueryData(ossKey, { ...ossData, editors: variables.editors });
        Promise.allSettled([
          ...ossData.items.map(item => {
            if (!item.result) {
              return;
            }
            const itemKey = rsformsApi.getRSFormQueryOptions({ itemID: item.result }).queryKey;
            return client.invalidateQueries({ queryKey: itemKey });
          })
        ]).catch(console.error);
      } else {
        const rsKey = rsformsApi.getRSFormQueryOptions({ itemID: variables.itemID }).queryKey;
        client.setQueryData(rsKey, prev => (!prev ? undefined : { ...prev, editors: variables.editors }));
      }
    }
  });

  return {
    setEditors: (data: { itemID: LibraryItemID; editors: UserID[] }) => mutation.mutate(data)
  };
};