import { useDebouncedValue } from "@mantine/hooks";
import { useSearchParams } from "react-router";
import { useStockSearch } from "@/entities/stock";
import { apiErrorCode } from "@/shared/api";
import { instrumentLogoUrl } from "@/shared/lib";

const SEARCH_DEBOUNCE_MS = 300;

function useStocksPageVm() {
	const [params, setParams] = useSearchParams();
	const query = params.get("q") ?? "";
	const [debounced] = useDebouncedValue(query.trim(), SEARCH_DEBOUNCE_MS);
	const result = useStockSearch(debounced);
	const waiting = query.trim() !== debounced;
	return {
		query,
		setQuery: (q: string) => setParams(q ? { q } : {}, { replace: true }),
		loading: query.trim().length >= 2 && (waiting || result.isLoading),
		error: result.isError,
		code: apiErrorCode(result.error),
		retry: () => {
			void result.refetch();
		},
		ready: debounced.length >= 2 && !waiting && Boolean(result.data),
		items:
			result.data?.map((stock) => ({
				...stock,
				to: `/stocks/${encodeURIComponent(stock.slug ?? stock.instrumentUid)}`,
				logoSrc: instrumentLogoUrl(stock.logoName),
			})) ?? [],
	};
}
type StocksPageVm = ReturnType<typeof useStocksPageVm>;

export { type StocksPageVm, useStocksPageVm };