import { fetchLocations } from './api.js';

let element_locations_search = document.querySelector("#locations-search");
let element_query = document.querySelector("#locations-search-query");
let element_response = document.querySelector("#locations-search-response");

export function setupLocationsSearch() {
	element_query.addEventListener("change", (event) => {
		element_response.innerText = "Loading…";
		fetchLocations(event.target.value).then(result => {
			window.dataStore.locations.rememberAll(result);
			element_response.innerText = "";
			result.forEach(location => {
				let location_element = createLocationElement(location);
				element_response.appendChild(location_element);
			});
		});
	});
}

function createLocationElement(location) {
	let location_element = document.createElement("div");
	location_element.innerText = location.name;
	location_element.dataset.locationId = location.id;

	location_element.addEventListener("click", event => {
		window.dataStore.recent_locations.remember(event.target.dataset.locationId);
		element_locations_search.locationSelectedCallback(event.target.innerText, event.target.dataset.locationId);
		element_locations_search.style.display = "none";
	});

	return location_element;
}

export function attachLocationsSearch(search_element) {
	search_element.addEventListener("click", event => {
		element_locations_search.locationSelectedCallback = (location_name, location_id) => {
			search_element.value = location_name;
			search_element.dataset.locationId = location_id;
		};
		element_query.value = "";
		element_response.innerText = "";
		let locations = window.dataStore.locations.data;
		for (let location_id of window.dataStore.recent_locations.data) {
			let location = locations[location_id];
			let el = createLocationElement(location);
			element_response.appendChild(el);
		}
		element_locations_search.style.display = "block";
	});
}