import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
import { useTranslation } from "react-i18next";
import { toast } from "sonner";

import { exchangeSettingsService } from "@/services/exchangeSettings.service";
import { useErrorHandler } from "@/shared/hooks/useErrorHandler";

const QUERY_KEY = ["exchangeSettings"];

export const useExchangeSettingsQuery = () =>
  useQuery({
    queryKey: QUERY_KEY,
    queryFn: () => exchangeSettingsService.get(),
    // Feed health is only interesting while it is being looked at.
    staleTime: 30_000,
    refetchOnWindowFocus: true,
  });

export const useSetExchangeFallbackRate = () => {
  const queryClient = useQueryClient();
  const { t } = useTranslation();
  const { handleError } = useErrorHandler(t);

  return useMutation({
    mutationFn: (rate: number) => exchangeSettingsService.setFallbackRate(rate),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: QUERY_KEY });
      toast.success(
        t("exchangeSettings.updated", "Fallback exchange rate updated"),
      );
    },
    onError: handleError,
  });
};