import { z } from "zod";
import { useLocalHistoryStore } from "@/client/hooks/useLocalHistoryStore";
import { jsonCodec } from "@/shared/json";

interface SearchHistoryItem {
  keyword: string;
  locationCode: number;
  locationName: string;
  timestamp: number;
}

const MAX_HISTORY = 20;

const searchHistoryItemSchema = z.object({
  keyword: z.string(),
  locationCode: z.number(),
  locationName: z.string(),
  timestamp: z.number(),
});

const searchHistorySchema = z.array(searchHistoryItemSchema);
const searchHistoryCodec = jsonCodec(searchHistorySchema);

export function useSearchHistory(projectId: string) {
  const { history, isLoaded, addItem, removeItem, clearItems } =
    useLocalHistoryStore<
      SearchHistoryItem,
      Omit<SearchHistoryItem, "timestamp">
    >({
      storageKey: `search-history:${projectId}`,
      maxItems: MAX_HISTORY,
      parse: (raw) => {
        const parsed = searchHistoryCodec.safeParse(raw);
        return parsed.success ? parsed.data : null;
      },
      isSameItem: (existing, next) =>
        existing.keyword === next.keyword &&
        existing.locationCode === next.locationCode,
      createItem: (item) => ({
        ...item,
        timestamp: Date.now(),
      }),
      getItemKey: (item) => item.timestamp,
    });

  return {
    history,
    isLoaded,
    addSearch: (keyword: string, locationCode: number, locationName: string) =>
      addItem({ keyword, locationCode, locationName }),
    clearHistory: clearItems,
    removeHistoryItem: removeItem,
  };
}