from gconsole import *

def getEvent():
    keyCode = getKeyCodeWait()
    if keyCode == 49: # Taste 1  
                return Events.Euro1
    if keyCode == 50: # Taste 2 
                return Events.Euro2            
    return None
                
State = enum("S0", "S1", "S2")
state = State.S0
Events = enum("Euro1", "Euro2")

makeConsole()

while True:
    gprintln("State: " + str(state))
    event = getEvent()
    if event == Events.Euro1:
        if state == State.S0:
            state = State.S1
        elif state == State.S1:
            state = State.S2
        elif state == State.S2:
            state = State.S0 
            gprintln("Ticket Ausgabe")           
    elif event == Events.Euro2:
        if state == State.S0:
            state = State.S2
        elif state == State.S1:
            state = State.S0
            gprintln("Ticket Ausgabe")
        elif state == State.S2:
            state = State.S0 
            gprintln("Ticket Ausgabe und 1 Euro retour")