import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query"; import toast from "react-hot-toast"; import { signaturesService, type SaveSignaturePayload, } from "@/services/signatures.service"; const SAVED_SIGNATURE_KEY = ["me", "signature"] as const; export function useMySignature() { return useQuery({ queryKey: SAVED_SIGNATURE_KEY, queryFn: () => signaturesService.getMySignature(), staleTime: 60_000, }); } export function useSaveSignature() { const qc = useQueryClient(); return useMutation({ mutationFn: (payload: SaveSignaturePayload) => signaturesService.saveMySignature(payload), onSuccess: () => { toast.success("Signature saved"); void qc.invalidateQueries({ queryKey: SAVED_SIGNATURE_KEY }); }, onError: () => toast.error("Failed to save signature"), }); }