import { useFilteredSearchEntityQuery } from '@/search/hooks/useFilteredSearchEntityQuery';
import { SingleEntitySelect } from '@/ui/input/relation-picker/components/SingleEntitySelect';
import { relationPickerSearchFilterScopedState } from '@/ui/input/relation-picker/states/relationPickerSearchFilterScopedState';
import { EntityForSelect } from '@/ui/input/relation-picker/types/EntityForSelect';
import { Entity } from '@/ui/input/relation-picker/types/EntityTypeForSelect';
import { useRecoilScopedState } from '@/ui/utilities/recoil-scope/hooks/useRecoilScopedState';
import { useSearchPeopleQuery } from '~/generated/graphql';

export type OwnProps = {
  personId: string;
  onSubmit: (newPersonId: string | null) => void;
  onCancel?: () => void;
};

type PersonForSelect = EntityForSelect & {
  entityType: Entity.Person;
};

export function PeoplePicker({ personId, onSubmit, onCancel }: OwnProps) {
  const [searchFilter] = useRecoilScopedState(
    relationPickerSearchFilterScopedState,
  );

  const people = useFilteredSearchEntityQuery({
    queryHook: useSearchPeopleQuery,
    selectedIds: [personId],
    searchFilter: searchFilter,
    mappingFunction: (person) => ({
      entityType: Entity.Person,
      id: person.id,
      name: person.firstName + ' ' + person.lastName,
      avatarType: 'rounded',
    }),
    orderByField: 'firstName',
    searchOnFields: ['firstName', 'lastName'],
  });

  async function handleEntitySelected(
    selectedPerson: PersonForSelect | null | undefined,
  ) {
    onSubmit(selectedPerson?.id ?? null);
  }

  return (
    <SingleEntitySelect
      onEntitySelected={handleEntitySelected}
      onCancel={onCancel}
      entities={{
        loading: people.loading,
        entitiesToSelect: people.entitiesToSelect,
        selectedEntity: people.selectedEntities[0],
      }}
    />
  );
}