import { createSelector } from '../utils'
import { buildSort } from '../../utils/build-sort'
import type { StoreSimpleSelectors } from '../selectors'

export default function generateSelectors(
    selectors: Pick<
        StoreSimpleSelectors,
        | 'selectSortMode'
        | 'selectSortColumns'
        | 'selectSortLocale'
        | 'selectColumnSortEntities'
    >
) {
    const selectSortFn = createSelector(
        [
            selectors.selectSortMode,
            selectors.selectSortColumns,
            selectors.selectSortLocale,
            selectors.selectColumnSortEntities,
        ],
        (mode, sortColumns, sortLocale, sortEntities) => {
            if (mode === 'internal') {
                return buildSort(sortColumns, sortLocale, sortEntities)
            }
            return null
        }
    )

    return { selectSortFn }
}

export type SelectSortFn = ReturnType<typeof generateSelectors>['selectSortFn']