import api from '$lib/api';
import { i18n } from '$lib/i18n';
import { derived, readable, type Readable } from 'svelte/store';
import type { AttributeListingResult } from '@upnd/upend/types';

const databaseAttributeLabels: Readable<{ [key: string]: string }> = readable({}, (set) => {
	const result: Record<string, string> = {};
	api.fetchAllAttributes().then((attributes: AttributeListingResult) => {
		attributes.forEach((attribute) => {
			if (attribute.labels.length) {
				result[attribute.name] = attribute.labels.sort()[0];
			}
		});
		set(result);
	});
});

export const attributeLabels: Readable<{ [key: string]: string }> = derived(
	[i18n, databaseAttributeLabels],
	([i18n, attributeLabels]) => {
		const result = {};
		Object.assign(result, i18n.getResourceBundle(i18n.language, 'attributes'));
		Object.assign(result, attributeLabels);
		return result;
	}
);