/**
 * External dependencies
 */
import { values } from 'lodash';
import { EMPTY_ARRAY } from '@nelio-content/constants';
import { createIndexedSelector } from '@nelio-content/utils';
import type {
	BoardPostSummary,
	Maybe,
	PostId,
	PostStatusSlug,
} from '@nelio-content/types';

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

export function getPostsInStatus(
	state: State,
	status: PostStatusSlug
): ReadonlyArray< BoardPostSummary > {
	return state.board.statuses[ status ] ?? EMPTY_ARRAY;
}

export const getBoardPostSummary = createIndexedSelector(
	( state: State, id: PostId ): Maybe< BoardPostSummary > => {
		return values( state.board.statuses )
			.flatMap( ( p ) => p )
			.find( ( p ) => p.id === id );
	},
	( state: State, id: PostId ) => ( {
		key: id,
		dependants: [ state.board.statuses ],
	} )
);