import { createSelector } from 'reselect';
import { selectPageTitle, selectCurrentPage } from 'selectors/app';

export const _selectState = state => state.search || {};

export const selectSearchQuery = createSelector(
	_selectState,
	state => state.query
);

export const selectIsSearching = createSelector(
	_selectState,
	state => !!state.searching
);

export const selectSearchResults = createSelector(
	_selectState,
	state => state.results || {}
);

export const selectSearchResultsByQuery = createSelector(
	selectSearchResults,
	results => results.byQuery || {}
);

export const selectCurrentSearchResults = createSelector(
	selectSearchQuery,
	selectSearchResultsByQuery,
	(query, byQuery) => byQuery[query]
);

export const selectWunderBarAddress = createSelector(
	selectCurrentPage,
	selectPageTitle,
	selectSearchQuery,
	(page, title, query) => (page != 'search' ? title : query ? query : title)
);

export const selectWunderBarIcon = createSelector(selectCurrentPage, page => {
	switch (page) {
		case 'search':
			return 'icon-search';
		case 'settings':
			return 'icon-gear';
		case 'help':
			return 'icon-question';
		case 'report':
			return 'icon-file';
		case 'downloaded':
			return 'icon-folder';
		case 'published':
			return 'icon-folder';
		case 'start':
			return 'icon-file';
		case 'rewards':
			return 'icon-bank';
		case 'wallet':
		case 'send':
		case 'receive':
			return 'icon-bank';
		case 'show':
			return 'icon-file';
		case 'publish':
			return 'icon-upload';
		case 'developer':
			return 'icon-file';
		case 'developer':
			return 'icon-code';
		case 'discover':
			return 'icon-home';
	}
});