shoc-frontend-new/src/domain/auth/use-cases/use-login.ts

import {
  useMutation,
  useQuery,
  useQueryClient,
  type QueryClient,
  type UseMutationResult,
  type UseQueryResult,
} from "@tanstack/react-query";
import { useNavigate } from "react-router";
import { toast } from "react-toastify";
import * as authApi from "@/domain/auth/api/auth-api";
import type { AuthUser, LoginCredentials } from "@/domain/auth/types/auth-user";
import { queryKeys } from "@/infra/query-key/query-key";
import { startQueryBroadcast, stopQueryBroadcast } from "@/lib/query/setup-query-broadcast";

export function useSession(): UseQueryResult<AuthUser | null, Error> {
  return useQuery({
    queryKey: queryKeys.auth.session(),
    queryFn: authApi.getSession,
    retry: false,
    staleTime: 5 * 60 * 1000,
  });
}

/** Makes a freshly stored session the signed-in user, after login or invite registration. */
export function startSignedInSession(queryClient: QueryClient, user: AuthUser): void {
  stopQueryBroadcast(queryClient);
  queryClient.setQueryData(queryKeys.auth.session(), user);
  startQueryBroadcast(queryClient, user.id);
}

export function useLogin(): UseMutationResult<AuthUser, Error, LoginCredentials> {
  const navigate = useNavigate();
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: (credentials: LoginCredentials) => authApi.login(credentials),
    meta: { suppressErrorToast: true },
    onSuccess: (user) => {
      startSignedInSession(queryClient, user);
      toast.success("Login successful!");
      navigate("/");
    },
  });
}

export function useLogout(): UseMutationResult<void, Error, void> {
  const navigate = useNavigate();
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: authApi.logout,
    onSuccess: () => {
      stopQueryBroadcast(queryClient);
      queryClient.setQueryData(queryKeys.auth.session(), null);
      toast.info("You have been logged out");
      navigate("/login");
    },
    onError: (error: Error) => {
      stopQueryBroadcast(queryClient);
      queryClient.setQueryData(queryKeys.auth.session(), null);
      toast.error(error.message || "Logout failed");
      navigate("/login");
    },
  });
}