import java.awt.*;
import java.applet.Applet;
import java.net.*;

public class Slide5 extends Applet{
	// Two-player version of Slide5
	private CheckboxGroup allmoves;
	private Checkbox move[];
	private TokenCanvas pic[];
	private TokenCanvas corner;
	Board position;					// Current game position
	int turn;						// Whose turn it is, 1 = player1, -1 =
									// player2.
	int winner;
	int player1, player2;			// Keep tally
	
	int state;

	public void init(){
		int i,j;
		turn = 1;
		setBackground(Color.lightGray);
		state = 0;
		setLayout(new GridLayout(6,6));
		allmoves = new CheckboxGroup();
		position = new Board();
		pic = new TokenCanvas[25];
		for(i = 0; i< 25; i++){
			pic[i] = new TokenCanvas();
			pic[i].resize(50,50);
			pic[i].token = 0;
			pic[i].setBackground(Color.gray);
		}
		
		corner = new TokenCanvas();
		corner.resize(50,50);
		corner.token = 1;

		player1 = 0; player2 = 0;
		add(corner);
			corner.repaint();
		move = new Checkbox[10];
		for(i = 0; i < 10; i++){
			move[i] = new Checkbox();
		}
		move[0].setLabel("1");
		move[1].setLabel("2");
		move[2].setLabel("3");
		move[3].setLabel("4");
		move[4].setLabel("5");
		move[5].setLabel("6");
		move[6].setLabel("7");
		move[7].setLabel("8");
		move[8].setLabel("9");
		move[9].setLabel("10");
		for(i = 0; i < 10; i++){
			move[i].setCheckboxGroup(allmoves);
		}
		for( i = 0; i < 5; i++){
			add(move[i]);
		}
		for( i = 5; i < 10; i++){
			add(move[i]);
			for(j = 0; j < 5; j++){
				add(pic[(i-5)*5 + j]);
			}
		}
  		corner.setBackground(Color.cyan);

		
		
	}
	void startNewGame(){
		int i;
		corner.token = turn == 1? 1 : -1;
		corner.setBackground(turn == 1 ? Color.cyan : Color.white);
		corner.repaint();
		position.reset();
		repaint();
	}

	public void paint(Graphics g){
		int i;
		for(i = 0; i< 25; i++){
			pic[i].token = position.token[i];
			pic[i].repaint();
		}

	}

	public boolean action(Event e, Object o){
		 String statline = " ";
		 // In state 0, we want a move indicated from any checkbox
		 if(state == 0 && e.target instanceof Checkbox){
			 String s = ((Checkbox)(e.target)).getLabel();
			 statline = "Player " + (turn == 1 ? "1" : "2") + 
				 "'s move was " + s;
			 
			 int move = Integer.parseInt(s);
			 position.push(move, turn);
			 winner = position.wins();
			 // If player 1 moved and won, announce the win and keep score. 
			 if((turn == 1) && ((winner == 1) || (winner == 3))){
				 corner.token = 10;
				 
				 player1++;
				 statline = statline + ". Player 1: " + player1 + ", Player 2: " + player2 + ". Click for new game.";
				 corner.repaint();			 
				 state = 1;
			 }
			 // If player 2 wins any way, announce it and keep score.
			 else if((turn == -1 && winner > 1) || (turn == 1 && winner == 2)){
				 corner.token = 11;
				 turn = -1;
				 player2++;
 				 statline = statline + ". Player 1: " + player1 + ", Player 2: " + player2 + ". Click for new game.";
				 corner.repaint();
				 state = 1;
			 }
			 // Or maybe player 2 gave player 1 a win.
		     else if( turn == -1 && winner == 1){
				 corner.token = 10;
				 turn = 1;
				 player1++;
				 statline = statline + ". Player 1: " + player1 + ", Player 2: " + player2 + ". Click for new game.";
				 corner.repaint();			 
				 state = 1;
			 }
			 // Change whose turn it is.	 
			 turn = -turn;
			 if(winner == 0)corner.token = turn;
 			 corner.setBackground(turn == 1 ? Color.cyan : Color.white);
			 if(winner > 0)corner.setBackground(Color.pink);
			 corner.repaint();
			
		 }
		 // In state 1 we await a click anywhere to start a new game.
		 else if(state == 1){
				 state = 0;
				 startNewGame();
				 statline = "Player " + (turn == 1 ? "1" : "2") + 
					 ",s move.";

		 }
		 showStatus(statline);
		 repaint();
		 return true;
	}

	public boolean mouseUp(Event e, int x, int y){
		String statline;
		// In state 1 we start a new game if we get a mouse click.
		if(state == 1){
			 state = 0;
			 startNewGame();
			 statline = "Player " + (turn == 1 ? "1" : "2") + 
					 ",s move.";
			 showStatus(statline);
			 repaint();
			
		}
		return true;
	}

}

class TokenCanvas extends Canvas{
	public int token;
	

	public void paint(Graphics g){

		g.setColor(Color.black);
		if( token < 2){
			g.drawLine(0,0,0,49);
			g.drawLine(49,0,0,0);
		}

		g.drawLine(0,49,49,49);

		g.drawLine(49,49,49,0);
		

		switch(token){
		case 0:
		break;
		case 1:
			g.setColor(Color.cyan);
			g.fillOval(1,1,47,47);
			g.setColor(Color.black);
			g.drawString("Player 1",6,28);
		break;
		case -1:
  			g.setColor(Color.white);
			g.fillOval(1,1,47,47);
			g.setColor(Color.black);
			g.drawString("Player 2",6,28);
		break;
		case 10:

			g.setColor(Color.black);
			g.drawString("Player 1 ", 1,20);
			g.drawString("wins!", 10, 40);
		break;
		case 11:

			g.setColor(Color.black);

			g.drawString("Player 2", 1,20);
			g.drawString("wins!", 10, 40);
		break;
		case 9:
			
		break;
		}

			

	}
}

class Board{
	public int token[];

	Board(){
		token = new int[25];
		int i;
		for(i = 0; i<24; i++){
			token[i] = 0;
		}
	}

	Board(int a[]){
		token = new int[25];
		int i;
		for(i = 0; i<24; i++){
			token[i] = a[i];
		}
	}

	void reset(){
		int i;
		for(i = 0; i<25; i++){
			token[i] = 0;
		}
	}


	int diff(){
		// Player 1's token count minus Player 2's token count.
		int htoc = 0;
		int i;
		for(i=0; i<24; i++){
			htoc += token[i];
		}
		return htoc;
	}

	void pushcol(int i, int newtok){
		int j = i - 1;
		int k = j;
		
		// push into a column
		while(token[k] != 0 && k < 20)
			k +=5;
		for(; k > j; k -=5)
			token[k] = token[k-5];
		token[j] = newtok;
		
	}

	void pushrow(int i, int newtok){
		// Push a token into a row.
		int j = (i - 6)*5;
		int k = j;
		while(token[k] != 0 && k < j+4)
			k++;
		for(; k > j; k--)
			token[k] = token[k-1];
		token[j] = newtok;
	}

	void push(int i, int newtok){
		if(i < 6)
			pushcol(i,newtok);
		else
			pushrow(i,newtok);
	}

	int wins(){
		// Return is 1 if the position is a win for the player 1, 2 if it is a win
		// for the player2, 3 if it is a win for both.
		boolean player1Wins = false, player2Wins = false;
		int insummary = 0;
		int row, sum, col, rowbase;
		// Check the rows.
		for(row = 0; row < 5; row++){
			sum = 0;
			rowbase = row * 5;
			for(col = 0; col < 5; col++)
				sum += token[rowbase + col];
			if(sum == 5)player1Wins = true;
			if(sum == -5)player2Wins = true;
		}
		// Check the columns
		for(col = 0; col < 5; col++){
			sum = 0;
			for(row = 0; row < 5; row++)
				sum += token[5*row + col];
			if(sum == 5)player1Wins = true;
			if(sum == -5)player2Wins = true;
		}
		// Major diagonal
		sum = 0;
		for(row = 0; row < 5; row++)
			sum += token[6*row];
		if(sum == 5)player1Wins = true;
		if(sum == -5)player2Wins = true;
		// Minor diagonal
		sum = 0;
		for(row = 0; row < 5; row++)
			sum += token[4*row + 4];
		if(sum == 5)player1Wins = true;
		if(sum == -5)player2Wins = true;
		if(player1Wins) insummary = 1;
		if(player2Wins) insummary += 2;
		return insummary;
	}


}