public MicrowaveStateEnum GetNextState(MicrowaveStateEnum currentState, bool startPressed)
{
switch (currentState)
{
case MicrowaveStateEnum.CLOSED:
if (_hardware.DoorOpen)
{
return(MicrowaveStateEnum.OPENED);
}
if (startPressed == true)
{
return(MicrowaveStateEnum.HEATING);
}
return(MicrowaveStateEnum.CLOSED);
case MicrowaveStateEnum.OPENED:
if (!_hardware.DoorOpen)
{
return(MicrowaveStateEnum.CLOSED);
}
return(MicrowaveStateEnum.OPENED);
case MicrowaveStateEnum.HEATING:
if (_hardware.DoorOpen)
{
return(MicrowaveStateEnum.OPENED);
}
if (!_timer.IsRunning)
{
return(MicrowaveStateEnum.CLOSED);
}
return(MicrowaveStateEnum.HEATING);
}
throw new UnhandledStateException("Unexpected state: " + currentState);
}
public MicrowaveController(IMicrowaveOvenHW hardware, ITimer timer, MicrowaveStateEnum initialState = MicrowaveStateEnum.CLOSED)
{
if (hardware == null || timer == null)
{
throw new Exception("Provide hardware and timer");
}
_hardware = hardware;
_hardware.StartButtonPressed += StartButtonPressed;
_hardware.DoorOpenChanged += DoorOpenedChanged;
_timer = timer;
_timer.Finished += TimerStopped;
MicrowaveState = initialState;
}
