import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
import { marketIntelligenceService } from '../services/marketIntelligenceService'
import { reviewService } from '../services/reviewService'
import type { MarketSignalFilters, SignalProcessingStatus } from '../domain/marketSignal'
import { useToastStore } from '../stores/toastStore'

const STALE_SIGNALS = 30_000

export function useMarketSignals(filters?: MarketSignalFilters) {
  return useQuery({
    queryKey: ['market-signals', filters ?? {}],
    queryFn: () => marketIntelligenceService.getSignals(filters),
    staleTime: STALE_SIGNALS,
    select: (res) => res.data ?? [],
  })
}

export function useMarketSignalDetail(id: string | null) {
  return useQuery({
    queryKey: ['market-signal', id],
    queryFn: () => marketIntelligenceService.getSignalDetail(id!),
    enabled: id !== null,
    staleTime: STALE_SIGNALS,
    select: (res) => res.data ?? null,
  })
}

export function useUpdateSignalStatus() {
  const queryClient = useQueryClient()
  return useMutation({
    mutationFn: ({ id, status }: { id: string; status: SignalProcessingStatus }) =>
      marketIntelligenceService.updateSignalStatus(id, status),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['market-signals'] })
      queryClient.invalidateQueries({ queryKey: ['market-signal'] })
    },
    onError: () => {
      useToastStore.getState().showToast('Signal-Status konnte nicht aktualisiert werden.', 'error')
    },
  })
}

export function useConvertToFutureSignal() {
  const queryClient = useQueryClient()
  return useMutation({
    mutationFn: (id: string) => marketIntelligenceService.convertToFutureSignal(id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['market-signals'] })
      queryClient.invalidateQueries({ queryKey: ['market-signal'] })
    },
    onError: () => {
      useToastStore.getState().showToast('Konvertierung zu Future Signal fehlgeschlagen.', 'error')
    },
  })
}

export function useLinkSignalToEntity() {
  const queryClient = useQueryClient()
  return useMutation({
    mutationFn: ({
      id,
      entityType,
      entityId,
    }: {
      id: string
      entityType: 'property' | 'need'
      entityId: string
    }) => marketIntelligenceService.linkSignalToEntity(id, entityType, entityId),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['market-signals'] })
      queryClient.invalidateQueries({ queryKey: ['market-signal'] })
    },
    onError: () => {
      useToastStore.getState().showToast('Signal konnte nicht verknüpft werden.', 'error')
    },
  })
}

export function useCreateReviewTask() {
  return useMutation({
    mutationFn: (signalId: string) => reviewService.createReviewTask(signalId),
    onError: () => {
      useToastStore.getState().showToast('Überprüfungsaufgabe konnte nicht erstellt werden.', 'error')
    },
  })
}