// Copyright: © 2026 TWWIM UG. All rights reserved. (www.twwim.com)
/**
 * TanStack Query hooks for the Communication Center.
 * Single source of truth = customer-api; mock data is gone.
 */

import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { conversationsApi, type ListFilter } from '@/infrastructure/http/api/conversations/api';
import { useVisibilityRefetch } from './useVisibilityRefetch';

const KEY = {
  list: (f: ListFilter) => ['conversations', 'list', f] as const,
  detail: (id: string) => ['conversations', 'detail', id] as const,
  counts: (tenantId?: string) => ['conversations', 'counts', tenantId] as const,
};

const INBOX_POLL_MS = 5_000;
const DETAIL_POLL_MS = 3_000;

export function useConversationsList(filter: ListFilter) {
  const isVisible = useVisibilityRefetch();
  return useQuery({
    queryKey: KEY.list(filter),
    queryFn: () => conversationsApi.listConversations(filter),
    refetchInterval: isVisible ? INBOX_POLL_MS : false,
    refetchOnWindowFocus: true,
  });
}

export function useQueueCounts(tenantId?: string) {
  const isVisible = useVisibilityRefetch();
  return useQuery({
    queryKey: KEY.counts(tenantId),
    queryFn: () => conversationsApi.queueCounts(tenantId),
    refetchInterval: isVisible ? INBOX_POLL_MS : false,
    refetchOnWindowFocus: true,
  });
}

export function useConversationDetail(id: string | null) {
  const isVisible = useVisibilityRefetch();
  return useQuery({
    queryKey: id ? KEY.detail(id) : ['conversations', 'detail', 'none'],
    queryFn: () => conversationsApi.getConversation(id as string),
    enabled: !!id,
    refetchInterval: isVisible && id ? DETAIL_POLL_MS : false,
    refetchOnWindowFocus: true,
  });
}

export function useInterceptMutation() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (id: string) => conversationsApi.intercept(id),
    onSuccess: (detail) => {
      qc.invalidateQueries({ queryKey: ['conversations', 'list'] });
      qc.invalidateQueries({ queryKey: ['conversations', 'counts'] });
      qc.setQueryData(KEY.detail(detail.id), detail);
    },
  });
}

export function useReleaseMutation() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (id: string) => conversationsApi.release(id),
    onSuccess: (detail) => {
      qc.invalidateQueries({ queryKey: ['conversations', 'list'] });
      qc.invalidateQueries({ queryKey: ['conversations', 'counts'] });
      qc.setQueryData(KEY.detail(detail.id), detail);
    },
  });
}

export function useSendMessageMutation() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ id, content }: { id: string; content: string }) => conversationsApi.sendMessage(id, content),
    onSuccess: (detail) => {
      qc.invalidateQueries({ queryKey: ['conversations', 'list'] });
      qc.invalidateQueries({ queryKey: ['conversations', 'counts'] });
      qc.setQueryData(KEY.detail(detail.id), detail);
    },
  });
}

export function useCloseMutation() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (id: string) => conversationsApi.close(id),
    onSuccess: (detail) => {
      qc.invalidateQueries({ queryKey: ['conversations', 'list'] });
      qc.invalidateQueries({ queryKey: ['conversations', 'counts'] });
      qc.setQueryData(KEY.detail(detail.id), detail);
    },
  });
}

export function useMarkSeenMutation() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (id: string) => conversationsApi.markSeen(id),
    onSuccess: (_, id) => {
      qc.invalidateQueries({ queryKey: ['conversations', 'list'] });
      qc.invalidateQueries({ queryKey: ['conversations', 'counts'] });
      qc.invalidateQueries({ queryKey: KEY.detail(id) });
    },
  });
}