@Override
    public String craftPresent(String presentName) {

        String message = "";
        int count = 0;
        Present present = this.presents.findByName(presentName);

        if (present != null) {
            List<Dwarf> dwarfList = this.dwarfs.getModels().stream()
                    .filter(f -> f.getEnergy() > 50)
                    .collect(Collectors.toList());

            if (dwarfList.isEmpty()) {
                throw new IllegalArgumentException(ExceptionMessages.NO_DWARF_READY);
            }
            for (Dwarf dwarf : dwarfList) {
                Workshop workshop = new WorkshopImpl();
                workshop.craft(present, dwarf);

                long count1 = dwarf.getInstruments().stream()
                        .filter(Instrument::isBroken).count();

                if (present.isDone()) {
                    message = String.format("Present %s is done. %d instrument/s have been broken while working on it!", presentName, count1);
                    countCrafted++;

                } else {
                    message = String.format("Present %s is not done. %d instrument/s have been broken while working on it!", presentName, count1);
                }
            }
        }

        return message;
    }