import { Selector, createSelector } from '@ngrx/store';

import { RESTClientError } from '@loafer/ng-rest';
import { Member } from '@overflow/commons-typescript/model/member';

export interface State {
  member: Member;
  pending: boolean;
  error: RESTClientError;
}

export const initialState: State = {
  member: null,
  pending: false,
  error: null,
};

export function getSelectors(selector: Selector<any, State>) {
  return {
    selectMember: createSelector(selector, (state: State) => state.member),
    selectPending: createSelector(selector, (state: State) => state.pending),
    selectError: createSelector(selector, (state: State) => state.error),
  };
}