import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { eventsApi } from '../api/eventsApi';
import { Event, EventListParams } from '../types/api';
import { notify } from '@/lib/notify';
import i18n from '@/i18n';
import { normalizeData } from '../utils/normalize';

export const useEvents = (params: EventListParams) => {
    return useQuery({
        queryKey: ['events', params],
        queryFn: async () => {
            const res = await eventsApi.getEvents(params);
            return { data: normalizeData(res.data), total: res.total };
        },
    });
};

export const useEvent = (id: string) => {
    return useQuery({
        queryKey: ['events', id],
        queryFn: () => eventsApi.getEvent(id), // сырые данные для формы
        enabled: !!id && id !== '-',
    });
};

export const useUpdateEvent = () => {
    const queryClient = useQueryClient();
    return useMutation({
        mutationFn: ({ id, data }: { id: string; data: Partial<Event> }) =>
            eventsApi.updateEvent(id, data),
        onSuccess: () => {
            queryClient.invalidateQueries({ queryKey: ['events'] });
            notify.success(i18n.t('common.entityUpdated'));
        },
        onError: () => notify.error(i18n.t('common.updateError')),
    });
};

export const useDeleteEvent = () => {
    const queryClient = useQueryClient();
    return useMutation({
        mutationFn: (id: string) => eventsApi.deleteEvent(id),
        onSuccess: () => {
            queryClient.invalidateQueries({ queryKey: ['events'] });
            notify.success(i18n.t('common.entityDeleted'));
        },
        onError: () => notify.error(i18n.t('common.deleteError')),
    });
};

export const useEventStats = () => {
    return useQuery({
        queryKey: ['event-stats'],
        queryFn: async () => normalizeData(await eventsApi.getEventStats()),
    });
};