public class Hanoi {


    //Instanzvariablen
    private final int size = 3;
    private int [][] field;



    //Konstruktor
    Hanoi(){

        field = new int [size][size];
    }


    //Methoden

    //@param int choice, 1-size valid
    //output: Hanoi
    private Hanoi left(int choice){

    if (!isDirectionVaild(true, choice)){
        System.out.println("Geht nich");
    }

        
    }

    //ValidTower - ist auf dem Turm eine scheibe
    private boolean isTowerValid(int check){

        if(!isChoiceValid(check)){return false;}
       
        for (int i = 0; i <= size; i++){
            if (field[check][i] != 0){
                return true;
            }
        }
        return false;
    }
    
    private boolean isChoiceValid(int choice){
        return choice > 0 && choice <= size;
    }

    private int highestSlice (int tower){
        int res = 0;

        for (int i = 0; i < size; i++){
            if(field[tower][i] != 0){
                res = field[tower][i];
            }
        }
    return res;
    }

    //
    private boolean isDirectionVaild(boolean direct, int tower){

        if(!isTowerValid(tower)){return false;}

        int varli = tower == 0 ? 2 : tower-1;
        int varre = tower == 2 ? 0 : tower+1;

        //direct = true = links
        if (direct){
            if (highestSlice(tower) < highestSlice(varli)){return true;}
        }
        if (!direct){
            if (highestSlice(tower) < highestSlice(varre)){return true;}
        }

        return false;
    }
}