basic-computer-games/04_Awari/java/Awari.java

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

public class Awari{
	int []board;
	private final int playerPits;
	private final int computerPits;
	private final int playerHome;
	private final int computerHome;
	Scanner input;
	int sumPlayer;
	int sumComputer;
	Awari(){
		input = new Scanner(System.in);
		playerPits = 0;
		computerPits = 7;
		playerHome = 6;
		computerHome = 13;
		sumPlayer = 18;
		sumComputer = 18;
		board = new int [14];
		for (int i=0;i<6;i++){
			board[playerPits+i]=3;
			board[computerPits+i]=3;
		}
		System.out.println("		 AWARI");
		System.out.println("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
		printBoard();
		playerMove(true);
	}

	private void printBoard(){
		System.out.print("\n    ");
		for (int i=0;i<6;i++){
			System.out.print(String.format("%2d",board[12-i]));
			System.out.print("  ");
		}
		System.out.println("");
		System.out.print(String.format("%2d",board[computerHome]));
		System.out.print("                          ");
		System.out.println(String.format("%2d",board[playerHome]));
		System.out.print("    ");
		for(int i=0;i<6;i++){
			System.out.print(String.format("%2d",board[playerPits+i]));
                        System.out.print("  ");
		}
		System.out.println("");
	}

	private void playerMove(boolean val){
		System.out.println("\nComputerSum PlayerSum"+sumComputer+" "+sumPlayer);
		if(val == true)
			System.out.print("YOUR MOVE? ");
		else
			System.out.print("AGAIN? ");
		int move =  input.nextInt();
		while(move<1||move>6||board[move-1]==0){
			System.out.print("INVALID MOVE!!! TRY AGAIN  ");
			move = input.nextInt();
		}
		int seeds = board[move-1];
		board[move-1] = 0;
		sumPlayer -= seeds;
		int last_pos = distribute(seeds,move);
		if(last_pos == playerHome){
			printBoard();
			if(isGameOver(true)){
				System.exit(0);
			}
			playerMove(false);
		}
		else if(board[last_pos] == 1&&last_pos != computerHome){
			int opp = calculateOpposite(last_pos);
			if(last_pos<6){
				sumPlayer+=board[opp];
				sumComputer-=board[opp];
			}
			else{
				sumComputer+=board[opp];
				sumPlayer-=board[opp];
			}
			board[last_pos]+=board[opp];
			board[opp] = 0;
			printBoard();
			if(isGameOver(false)){
				System.exit(0);
			}
			computerMove(true);
		}
		else{
			printBoard();
			if(isGameOver(false)){
				System.exit(0);
			}
			computerMove(true);
		}
	}

	private void computerMove(boolean value){
		int val=-1;
		System.out.println("\nComputerSum PlayerSum"+sumComputer+" "+sumPlayer);
		for(int i=0;i<6;i++){
			if(6-i == board[computerPits+i])
				val = i;
		}
		int move ;
		if(val == -1)
		{
			Random random = new Random();
			move = random.nextInt(6)+computerPits;
			while(board[move] == 0){
				move = random.nextInt(6)+computerPits;
			}
			if(value == true)
				System.out.println(String.format("MY MOVE IS %d ",move-computerPits+1));
			else
				System.out.println(String.format(",%d",move-computerPits+1));
			int seeds = board[move];
			board[move] = 0;
			sumComputer-=seeds;
			int last_pos = distribute(seeds,move+1);
			if(board[last_pos] == 1&&last_pos != playerHome){
                	        int opp = calculateOpposite(last_pos);
				 if(last_pos<6){
	                                sumPlayer+=board[opp];
        	                        sumComputer-=board[opp];
                	        }
                        	else{
	                                sumComputer+=board[opp];
        	                        sumPlayer-=board[opp];
                	        }
        	                board[last_pos]+=board[opp];
	                        board[opp] = 0;
                        	printBoard();
                	        if(isGameOver(false)){
        	                        System.exit(0);
	                        }
                	}
			else{
				printBoard();
	                        if(isGameOver(false)){
        	                        System.exit(0);
                	        }
			}
			playerMove(true);
		}
		else {
			move = val+computerPits;
			if(value == true)
				System.out.print(String.format("MY MOVE IS %d",move-computerPits+1));
			else
				System.out.print(String.format(",%d",move-computerPits+1));
			int seeds = board[move];
                        board[move] = 0;
                        sumComputer-=seeds;
                        int last_pos = distribute(seeds,move+1);
			if(last_pos == computerHome){
				if(isGameOver(true) ){
					System.exit(0);
				}
				computerMove(false);
			}
		}
	}


	private int distribute(int seeds, int pos){
		while(seeds!=0){
			if(pos==14)
				pos=0;
			if(pos<6)
				sumPlayer++;
			else if(pos>6&&pos<13)
				sumComputer++;
			board[pos]++;
			pos++;
			seeds--;
		}
		return pos-1;
	}

	private int calculateOpposite(int pos){
		return 12-pos;
	}

	private boolean isGameOver(boolean show){
		if(sumPlayer == 0 || sumComputer == 0){
			if(show)
				printBoard();
			System.out.println("GAME OVER");
			if(board[playerHome]>board[computerHome]){
				System.out.println(String.format("YOU WIN BY %d POINTS",board[playerHome]-board[computerHome]));
			}
			else if(board[playerHome]<board[computerHome]){
				System.out.println(String.format("YOU LOSE BY %d POINTS",board[computerHome]-board[playerHome]));
			}
			else{
				System.out.println("DRAW");
			}
			return true;
		}
		return false;
	}


}