import type { RequiredAfterSearchRates } from "./types";

interface SuccessCacheEntry {
  rates: RequiredAfterSearchRates;
  updatedAt: number;
}

export function createMarketCacheStore() {
  const successCache = new Map<string, SuccessCacheEntry>();
  const inflightRequests = new Map<string, Promise<unknown>>();

  return {
    clearInflight(authorId: string) {
      inflightRequests.delete(authorId);
    },
    getInflight<T>(authorId: string) {
      return inflightRequests.get(authorId) as Promise<T> | undefined;
    },
    getSuccess(authorId: string) {
      return successCache.get(authorId);
    },
    setInflight<T>(authorId: string, promise: Promise<T>) {
      inflightRequests.set(authorId, promise);
    },
    setSuccess(authorId: string, rates: RequiredAfterSearchRates) {
      successCache.set(authorId, {
        rates,
        updatedAt: Date.now()
      });
    }
  };
}