Nim

package baby_nim;

import java.util.Random;
import java.util.Scanner;


public class Baby_Nim {


    public static void main(String[] args) {
        int pile_A=3, pile_B=4,pile_C=5,remove,counter,rows,i,comppick;
        String pile,player1,player2,versus;

        Scanner scan=new Scanner(System.in);

        System.out.print("Want to battle another \"Player\" or \"Computer\"? ");
        versus=scan.next();

        if(versus.equals("Player")){

        System.out.print("Player 1, enter your name: ");
        player1=scan.next();
        System.out.print("Player 2, enter your name: ");
        player2=scan.next();
        System.out.println("");

        rows=pile_A;
        if(pile_B>rows)
            rows=pile_B;
        if(pile_C>rows)
            rows=pile_C;

        counter=1;

        while((pile_A>0 || pile_B>0 || pile_C>0) && (pile_A!=1 || pile_B!=0 || pile_C!=0) &&
              (pile_A!=0 || pile_C!=0 || pile_B!=1) && (pile_A!=0 || pile_B!=0 || pile_C!=1)){

            i=0;
             while(i<rows){

                if(rows-i>pile_A)
                    System.out.print("  ");
                else
                    System.out.print("* ");

                if(rows-i>pile_B)
                    System.out.print("  ");
                else
                    System.out.print("* ");

                if(rows-i>pile_C)
                    System.out.print("");
                else
                    System.out.print("*");

                System.out.println("");
                i++;
             }

        System.out.println("A B C");

            //System.out.println("A: "+pile_A+"\tB: "+pile_B+"\tC: "+pile_C);

            if(counter%2!=0)
                System.out.print("\n"+player1+", choose a pile: ");
            else
                System.out.print("\n"+player2+", choose a pile: ");
            pile=scan.next();

            while((pile.equals("A")&&pile_A==0) || (pile.equals("B")&&pile_B==0) || (pile.equals("C")&&pile_C==0)){
            if(counter%2!=0)
                System.out.print("\nNice try, "+player1+". That pile is empty. Choose again: ");
            else
                System.out.print("\nNice try, "+player2+". That pile is empty. Choose again: ");
            pile=scan.next();
            }


            counter++;

            System.out.print("How many to remove from pile "+pile+": ");
            remove=scan.nextInt();

            /*while(remove<0){
                System.out.print("\nYou must choose at least 1. How many? ");
                remove=scan.nextInt();
            }*/

            while((pile.equals("A")&&remove>pile_A) || (pile.equals("B")&&remove>pile_B) || (pile.equals("C")&&remove>pile_C) || remove<=0){

                if(remove>0){
                    System.out.print("\nPile "+pile+" doesn't have that many. Try again: ");
                    remove=scan.nextInt();
                }
                else{
                    System.out.print("\nYou must choose at least 1. How many? ");
                    remove=scan.nextInt();
                }

            }

            if(pile.equals("A"))
                pile_A=pile_A-remove;
            rows=pile_A;

            if(pile.equals("B"))
                pile_B=pile_B-remove;
            if(pile_B>rows)
                rows=pile_B;

            if(pile.equals("C"))
                pile_C=pile_C-remove;
            if(pile_C>rows)
                rows=pile_C;

            System.out.println("");

        }

        if((pile_A==0 && pile_B==0 && pile_C==1) || (pile_A==0 && pile_B==1 && pile_C==0) || (pile_A==1 && pile_B==0 && pile_C==0)){

            if(counter%2!=0)
                System.out.println(player1+", you must take the last remaining counter, so you lose. "+player2+" wins!");
             else
                System.out.println(player2+", you must take the last remaining counter, so you lose. "+player1+" wins!");
        }

        else{

           if(counter%2==0)
                System.out.println(player2+", there are no counters left, so you WIN!");
           else
                System.out.println(player1+", there are no counters left, so you WIN!");
        }

        }

        else if(versus.equals("Computer")){

        Random r=new Random();

        System.out.print("Player 1, enter your name: ");
        player1=scan.next();
        System.out.println("");

        rows=pile_A;
        if(pile_B>rows)
            rows=pile_B;
        if(pile_C>rows)
            rows=pile_C;

        counter=1;

        while((pile_A>0 || pile_B>0 || pile_C>0) && (pile_A!=1 || pile_B!=0 || pile_C!=0) &&
              (pile_A!=0 || pile_C!=0 || pile_B>1) && (pile_A!=0 || pile_B!=0 || pile_C!=1)){

            i=0;
             while(i<rows){

                if(rows-i>pile_A)
                    System.out.print("  ");
                else
                    System.out.print("* ");

                if(rows-i>pile_B)
                    System.out.print("  ");
                else
                    System.out.print("* ");

                if(rows-i>pile_C)
                    System.out.print("");
                else
                    System.out.print("*");

                System.out.println("");
                i++;
             }
        System.out.println("A B C");

            //System.out.println("A: "+pile_A+"\tB: "+pile_B+"\tC: "+pile_C);
            pile="something";
            if(counter%2!=0){
                System.out.print("\n"+player1+", choose a pile: ");
                pile=scan.next();
            }
            else{
                if(pile_A>0 && pile_B>0 && pile_C>0){
                    comppick=1+r.nextInt(3);
                    if(comppick==1)
                        pile="A";
                    if(comppick==2)
                        pile="B";
                    if(comppick==3)
                        pile="C";
                }
                else if((pile_A>0 && pile_B>0 && pile_C==0) || (pile_A>0 && pile_B==0 && pile_C>0) || (pile_A==0 && pile_B>0 && pile_C>0)){
                    comppick=1+r.nextInt(2);
                    if(pile_C==0){
                        if(comppick==1)
                            pile="A";
                        if(comppick==2)
                            pile="B";
                    }
                     if(pile_B==0){
                        if(comppick==1)
                            pile="A";
                        if(comppick==2)
                            pile="C";
                    }
                      if(pile_A==0){
                        if(comppick==1)
                            pile="B";
                        if(comppick==2)
                            pile="C";
                    }

                }
                else if(pile_A==0 && pile_B==0)
                        pile="C";
                else if(pile_A==0 && pile_C==0)
                        pile="B";
                else if(pile_B==0 && pile_C==0)
                        pile="A";
                else
                    pile="whatever";

                }

                System.out.println("\nComputer chose a pile: "+pile);
            }

            while((pile.equals("A")&&pile_A==0) || (pile.equals("B")&&pile_B==0) || (pile.equals("C")&&pile_C==0)){
            if(counter%2!=0)
                System.out.print("\nNice try, "+player1+". That pile is empty. Choose again: ");

            }

              if(counter%2!=0){
                System.out.print("How many to remove from pile "+pile+": ");
                remove=scan.nextInt();
              }
              else{
                if(pile.equals("A"))
                    remove=1+r.nextInt(pile_A-1);
                else if(pile.equals("B"))
                    remove=1+r.nextInt(pile_B-1);
                else
                    remove=1+r.nextInt(pile_C-1);

                System.out.println("How many to remove from pile "+pile+": "+remove);
              }

             counter++;
            /*while(remove<0){
                System.out.print("\nYou must choose at least 1. How many? ");
                remove=scan.nextInt();
            }*/

            while((pile.equals("A")&&remove>pile_A) || (pile.equals("B")&&remove>pile_B) || (pile.equals("C")&&remove>pile_C) || remove<=0){
                                                                                                                                             //trzeba wybrac wiecej niz 0
                if(remove>0){
                    System.out.print("\nPile "+pile+" doesn't have that many. Try again: ");
                    remove=scan.nextInt();
                }
                else{
                    System.out.print("\nYou must choose at least 1. How many? ");
                    remove=scan.nextInt();
                }

            }

            if(pile.equals("A"))
                pile_A=pile_A-remove;
            rows=pile_A;

            if(pile.equals("B"))
                pile_B=pile_B-remove;
            if(pile_B>rows)
                rows=pile_B;

            if(pile.equals("C"))
                pile_C=pile_C-remove;
            if(pile_C>rows)
                rows=pile_C;

            System.out.println("");



        if((pile_A==0 && pile_B==0 && pile_C==1) || (pile_A==0 && pile_B==1 && pile_C==0) || (pile_A==1 && pile_B==0 && pile_C==0)){

            if(counter%2!=0)
                System.out.println(player1+", you must take the last remaining counter, so you lose. Computer wins!");
             else
                System.out.println("Computer, you must take the last remaining counter, so you lose. "+player1+" wins!");
        }

        else{

           if(counter%2==0)
                System.out.println("Computer, there are no counters left, so you WIN!");
           else
                System.out.println(player1+", there are no counters left, so you WIN!");
        }

        }
        }


    }