import { Selector, createSelector } from '@ngrx/store';
import { UserInfo } from '@ucap-webmessenger/protocol-sync';

export interface State {
  buddyInfoList: UserInfo[];
  buddy2SyncDate: string;
}

export const initialState: State = {
  buddyInfoList: [],
  buddy2SyncDate: ''
};

export function selectors<S>(selector: Selector<any, State>) {
  return {
    buddyInfoList: createSelector(
      selector,
      (state: State) => state.buddyInfoList
    )
  };
}