'use client';

import { useQuery, useInfiniteQuery, UseQueryResult, UseInfiniteQueryResult } from '@tanstack/react-query';
import {
    fetchBroadcastList,
    fetchPopularBroadcasts,
    fetchLiveBroadcasts,
    fetchBroadcastDetail,
    fetchBroadcastsByCategory,
    searchBroadcasts
} from '@/lib/api/broadcast';
import { BroadcastInfo, BroadcastListResponse } from '@/types/broadcast';
import { ResultDto } from '@/dtos/response/common';

// 쿼리 키 상수 정의
export const broadcastKeys = {
    all: ['broadcasts'] as const,
    lists: () => [...broadcastKeys.all, 'list'] as const,
    list: (filters: string) => [...broadcastKeys.lists(), filters] as const,
    details: () => [...broadcastKeys.all, 'detail'] as const,
    detail: (id: string) => [...broadcastKeys.details(), id] as const,
    popular: (limit: number) => [...broadcastKeys.all, 'popular', limit] as const,
    live: (page: number, limit: number) => [...broadcastKeys.all, 'live', page, limit] as const,
    category: (category: string, page: number, limit: number) => [...broadcastKeys.all, 'category', category, page, limit] as const,
    search: (query: string, page: number, limit: number) => [...broadcastKeys.all, 'search', query, page, limit] as const,
};

// 인기 방송 목록 조회 훅
export function usePopularBroadcasts(limit: number = 5): UseQueryResult<BroadcastInfo[], Error> {
    return useQuery({
        queryKey: broadcastKeys.popular(limit),
        queryFn: async () => {
            const result = await fetchPopularBroadcasts(limit);
            if (!result.ok) {
                throw new Error(result.message || '인기 방송 목록을 가져오는데 실패했습니다.');
            }
            return result.data || [];
        },
        staleTime: 2 * 60 * 1000, // 2분
        refetchInterval: 30 * 1000, // 30초마다 갱신
    });
}

// 실시간 방송 목록 조회 훅 (무한스크롤 지원)
export function useLiveBroadcasts(limit: number = 20): UseInfiniteQueryResult<BroadcastListResponse, Error> {
    return useInfiniteQuery({
        queryKey: broadcastKeys.live(1, limit),
        queryFn: async ({ pageParam = 1 }) => {
            const result = await fetchLiveBroadcasts(pageParam as number, limit);
            if (!result.ok) {
                throw new Error(result.message || '실시간 방송 목록을 가져오는데 실패했습니다.');
            }
            return result.data || { broadcasts: [], totalCount: 0, hasMore: false };
        },
        getNextPageParam: (lastPage, allPages) => {
            return lastPage.hasMore ? allPages.length + 1 : undefined;
        },
        initialPageParam: 1,
        staleTime: 1 * 60 * 1000, // 1분
        refetchInterval: 15 * 1000, // 15초마다 갱신
    });
}

// 방송 상세 정보 조회 훅
export function useBroadcastDetail(broadcastId: string): UseQueryResult<BroadcastInfo, Error> {
    return useQuery({
        queryKey: broadcastKeys.detail(broadcastId),
        queryFn: async () => {
            const result = await fetchBroadcastDetail(broadcastId);
            if (!result.ok) {
                throw new Error(result.message || '방송 정보를 가져오는데 실패했습니다.');
            }
            return result.data;
        },
        enabled: !!broadcastId,
        staleTime: 30 * 1000, // 30초
        refetchInterval: 10 * 1000, // 10초마다 갱신 (실시간 정보)
    });
}

// 카테고리별 방송 목록 조회 훅
export function useBroadcastsByCategory(
    category: string,
    page: number = 1,
    limit: number = 20
): UseQueryResult<BroadcastListResponse, Error> {
    return useQuery({
        queryKey: broadcastKeys.category(category, page, limit),
        queryFn: async () => {
            const result = await fetchBroadcastsByCategory(category, page, limit);
            if (!result.ok) {
                throw new Error(result.message || '카테고리별 방송 목록을 가져오는데 실패했습니다.');
            }
            return result.data || { broadcasts: [], totalCount: 0, hasMore: false };
        },
        enabled: !!category,
        staleTime: 2 * 60 * 1000, // 2분
    });
}

// 방송 검색 훅
export function useSearchBroadcasts(
    query: string,
    page: number = 1,
    limit: number = 20
): UseQueryResult<BroadcastListResponse, Error> {
    return useQuery({
        queryKey: broadcastKeys.search(query, page, limit),
        queryFn: async () => {
            const result = await searchBroadcasts(query, page, limit);
            if (!result.ok) {
                throw new Error(result.message || '방송 검색에 실패했습니다.');
            }
            return result.data || { broadcasts: [], totalCount: 0, hasMore: false };
        },
        enabled: !!query && query.length > 0,
        staleTime: 5 * 60 * 1000, // 5분
    });
}

// 방송 목록 조회 훅 (일반적인 목록)
export function useBroadcastList(page: number = 1, limit: number = 20): UseQueryResult<BroadcastListResponse, Error> {
    return useQuery({
        queryKey: broadcastKeys.list(`page-${page}-limit-${limit}`),
        queryFn: async () => {
            const result = await fetchBroadcastList(page, limit);
            if (!result.ok) {
                throw new Error(result.message || '방송 목록을 가져오는데 실패했습니다.');
            }
            return result.data || { broadcasts: [], totalCount: 0, hasMore: false };
        },
        staleTime: 2 * 60 * 1000, // 2분
    });
}