import { useQuery } from "@tanstack/react-query";

import {
  ALL_TRADE_DIRECTIONS,
  userTradeAccessService,
  type TradeDirection,
} from "@/services/userTradeAccess.service";

/**
 * Current user's trade-direction scope. While loading (or on error) it
 * reports full access — the API enforces the real scope regardless; this
 * hook only trims filter dropdowns to the directions the user can see.
 */
export function useMyTradeAccess() {
  const { data } = useQuery({
    queryKey: ["user-trade-access", "me"],
    queryFn: userTradeAccessService.me,
    staleTime: 5 * 60 * 1000,
  });

  const directions: TradeDirection[] = data?.directions ?? [
    ...ALL_TRADE_DIRECTIONS,
  ];

  return {
    restricted: data?.restricted ?? false,
    directions,
    /** Trim `{ value }`-shaped dropdown options to the allowed directions. */
    filterOptions: <T extends { value: string }>(options: T[]): T[] =>
      options.filter((o) => directions.includes(o.value as TradeDirection)),
  };
}