GCTC-NTGC / TalentCloud

import { createSelector } from "reselect";

import { RootState } from "../store";

import { Manager } from "../../models/types";

import { hasKey } from "../../helpers/queries";

const getManagersById = (state: RootState): { [id: number]: Manager } =>

  state.manager.managersById;

const getSelectedId = (state: RootState): number | null =>

  state.manager.selectedManagerId;

export const getManagers = createSelector(

  getManagersById,

  (managersById): Manager[] => Object.values(managersById),

);

export const getManagerById = (

  state: RootState,

  { managerId }: { managerId: number },

): Manager | null => {

  const managersById = getManagersById(state);

  return hasKey(managersById, managerId) ? managersById[managerId] : null;

};

export const getSelectedManager = (state: RootState): Manager | null => {

  const selectedId = getSelectedId(state);

  return selectedId !== null

    ? getManagerById(state, { managerId: selectedId })

    : null;

};

export const getManagerIsUpdatingById = (

  state: RootState,

): { [id: number]: boolean } => state.manager.managerUpdating;