/**
 * WordPress dependencies
 */
import { createSelector } from '@safe-wordpress/data';

/**
 * External dependencies
 */
import { keys, values } from 'lodash';
import type { Feed, FeedId, Maybe } from '@nelio-content/types';

/**
 * Internal dependencies
 */
import type { State } from '../../config';

export function getFeed( state: State, feedId: FeedId ): Maybe< Feed > {
	return state.entities.feeds[ feedId ];
}

export const getFeeds = createSelector(
	( state: State ): ReadonlyArray< Feed > => {
		return values( state.entities.feeds );
	},
	( state: State ) => [ state.entities.feeds ]
);

export const getFeedIds = createSelector(
	( state: State ): ReadonlyArray< FeedId > => {
		return keys( state.entities.feeds );
	},
	( state: State ) => [ state.entities.feeds ]
);