import java.util.*;
class Blackjack{
      public static void main (String[] arg) {
        Deck d = new Deck();   d.shuffle();
        Hand h = new Hand();
        Score s = new Score(); //added for bonus
                System.out.println(d);
                System.out.println(d.hit());
                System.out.println( d.decode(d.hit()) );
                h.add(5);
                h.add(10);
                System.out.println(h.display());

        while(true) {
                     System.out.print("Enter (n)ew hand, (h)it, or (q)uit: ");
             Scanner scan = new Scanner (System.in);
             // these variables are for collecting the information for the Score
             int [] line = new int [5]; //added for Bonus
             int handScore = 0; //added for Bonus
                 char c = scan.next().charAt(0);
                     if (c == 'n' ||  c == 'N') {
                         System.out.println(c);

            h.reset();
                if (d.currentIndex < 51){
                 int card= d.hit();  h.add(card);
                 card= d.hit(); h.add(card);
                 h.display();
              System.out.println();
                } else if (d.currentIndex > 51) {
                             System.out.println("--- NO CARDS LEFT ON DECK ---");
                             System.out.println();
                             break;
                        } else {
                     System.out.println("-- NOT ENOUGH CARDS LEFT ON DECK--");
                 System.out.println();
                 break;
            }
             } else if (c == 'h' || c == 'H') {
                             System.out.println(c);
                 if (d.currentIndex < 52){ //must be 52
                int handValue = h.scoreInHand() ;
                if (handValue > 21) {  //already busted
                     System.out.println("--- GET A NEW HAND --- ");
                     System.out.println();
                } else  if (handValue == 21)  {//already blackjack
                     System.out.println("--- BlackJack --- ");
                     System.out.println();
                } else  if  (h.firstIndex > 4 ) {
                     System.out.println( "-- ALREADY 5 CARDS IN HAND ---");
                     h.display();
                     System.out.println( "--- GET A NEW HAND ---");
                     System.out.println();
                } else if (h.firstIndex == 0) {
                     System.out.println("--- GET A NEW HAND FIRST ---");
                     System.out.println();
                } else {
                          int card= d.hit();  h.add(card);
                          h.display(); System.out.println();
                }
                 } else { // > or = 52
                  System.out.println("----- NO CARDS LEFT ON DECK -----");
                  System.out.println();
                  break;
                 }//end if (d.firstIndex < 52

                 } else  if (c == 'q' || c == 'Q') {
                             System.out.println(c);
                //same as the  if(c == n), so it can collect the last game.

                break;
             }

          } //while
          //prints the scores of the games the user played while the game was run.
          //System.out.print(s.display());System.out.println(); //added for Bonus
          System.out.println("BYE!");
     }//end main
}

class Deck{
      private int[] cards;
      public int currentIndex;
      Deck(){
          currentIndex=0;
          cards=new int[52];
          for (int i=0; i<cards.length; i++)
              cards[i]=i;
      }
      public String toString(){
           String s="";
           for (int i=currentIndex;i<cards.length; i++)
           {
              /* s=s+" "+cards[i];*/
              String code=decode(cards[i]);
          s=s+" "+code;
           }
           return s;
     }
     public String decode(int value)
     {
          String code=""+"HCDS".charAt (value/13)
          +"23456789TJQKA".charAt(value%13);
          return code;
     }
     public void shuffle(){
         int j=0;
         for (int i=0;i<cards.length; i++)
         {
             j=(int)(52*Math.random());
             swap(i,j);
         }
     }
     public void swap(int i, int j){
        int temp=cards[i];
        cards[i]=cards[j];
        cards[j]=temp;




     }
     public int hit(){
         int i=cards[currentIndex];
         currentIndex++;

         return i;


     }
}



class Hand{
      private int []Hand;
      public int firstIndex;
      Hand(){
           Hand=new int[5];
           for (int i=0; i<Hand.length; i++)
              Hand[i]=-1;
           firstIndex=0;
      }
      public String display(){
             String s="";
             String empty="Hand is empty";
             for (int i=0; i<firstIndex;i++)
                 s=s+" "+decode(Hand[i]);

             if (s.length()==0)
                    s= empty;
             String sih="";
             int sihand= scoreInHand();
             if(sihand>0&&sihand<21)
               sih=""+sihand;
             else if(sihand==21&&firstIndex==2)
               sih="blackjack";
             else if (sihand==21&&firstIndex>2)
               sih=""+sihand;
             else
               sih="BUST";
             System.out.println(s+"n"+sih);
               return s.trim();
      }
      public void reset(){
           for (int i=0; i<Hand.length;i++)
               Hand[i]=-1;
           firstIndex=0;
      }
      public void add(int card){
            Hand[firstIndex]=card;
            firstIndex++;
      }
      public String decode2(int value){
             String code=""+"HCDS".charAt(value/13)
             +"23456789TJQA".charAt(value%13);
             return code;
      }

      public String decode(int value){

            String[] pattern={"Heart","Clubs","Diamond","Spades"};
            String[] num={"two","three","four","five","six","seven","eight","nine","ten","jack","queen","king","ace"};
            return num[value%13]+ " of " + pattern[value/13];
      }
      public int scoreInHand(){
             int[] s={2,3,4,5,6,7,8,9,10,10,10,10};
             boolean firstAce=true;
             int value=0;
             int sum=0;
             for (int i=0; i<firstIndex; i++)
             {
                  value=Hand[i]%13;
                  if (value==12)
                  {
                        if (firstAce)
                        {
                           value=11;
                           firstAce=false;
                        }
                        else
                           value=1;

                  }
                  else
                          value=s[value];



                          sum=sum+value;
               }
               return sum;

         }
         public String toString(){
                String s="";
                for (int i=0; i<5; i++)
                {
                    if (i<firstIndex)
                        s=s+" |  " + decode2(Hand[i])+"  ";
                    else
                        s=s+"     ";
                }
                s=s+firstIndex;
                return s;
        }

}//(2,3,4,5,6,7,8,9,10,10,10,10,11)


class Score extends Deck{
      private String [] cuts=new String [26];
      private int gfirstIndex;
      Score(){
          cuts=new String[26];
          gfirstIndex=0;
      }
      public void markScore(Hand h, int score)
      {
             String s="";
             char fi;
             String hand=h.toString();
             int firstIndex;
             fi=hand.charAt(hand.length()-1);
             firstIndex=fi-'0';
             hand=hand.substring(0,hand.length()-1);
             s=s+" |  "+(gfirstIndex+1)+(((gfirstIndex+1)<10)?"    ":"     ");
             s=s+hand+"     ";
             s=s+"(score="+score+")";
             if (score>21)
                s=s+"(BUSTS)";
             else if (score==21&&firstIndex==2)
                     s=s+"(BLACKJACK)";
             cuts[gfirstIndex]=s;
             gfirstIndex++;
      }
}