import { createSelector } from "@reduxjs/toolkit";
import { RootState } from "../store";
import {
  AdvancedSearchFilters,
  FilterField,
  FetchStatus,
} from "./advancedSearchSlice";

export const selectFilters = (state: RootState): AdvancedSearchFilters =>
  state.advancedSearch.filters;

export const selectPagination = (state: RootState) =>
  state.advancedSearch.pagination;

export const selectPaginationModel = createSelector(
  [selectPagination],
  pagination => ({
    page: Math.max(0, (pagination.page ?? 1) - 1),
    pageSize: pagination.limit ?? 10,
  })
);

export const selectSort = (state: RootState) => state.advancedSearch.sort;

export const selectFilterValue = (
  state: RootState,
  field: string
): FilterField | undefined => state.advancedSearch.filters[field];

export const selectStatus = (state: RootState): FetchStatus =>
  state.advancedSearch.status;

export const selectError = (state: RootState) => state.advancedSearch.error;