public void AddAppliance(int applianceCount, ApplianceType type)
        {
            int count = appliances.Count;

            for (int i = 0; i < applianceCount; i++)
            {
                Appliance appliance = type switch
                {
                    ApplianceType.FAN => new Fan(++count),
                    ApplianceType.AC => new AC(++count),
                    ApplianceType.BULB => new Bulb(++count),
                    _ => null,
                };
                appliances.Add(appliance);
                SwitchBoard.AddSwitch(appliance.Id);
            }
        }