import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;


import javax.swing.*;


public class AITTT {
	public static boolean playerTurn = true;
	public static boolean comTurn = false;
	public static String x = "X";
	public static String o = "O";
	public static JFrame frame;
	public static JPanel panel;
	public JButton res;
	public int count = 0;
	JButton[] b;
	ActionListener[] l = new ActionListener[9];
	
	
	public void changeTurns()
	{
		playerTurn = !playerTurn;
		comTurn = !comTurn;
	}
	public void endGame()
	{
		playerTurn = false;
		comTurn = false;
	}
	public void comWinLogic()
	{
		for(int i = 0 ;i<9&& comTurn == true;i++)
		{
			
			if(i == 0 || i == 3 || i == 6 )
			{
				if(b[i].getText() == o&&b[i+1].getText() == o)
				{
					if(b[i+2].getText() == "")
					{
						b[i+2].setText(o);
						endGame();
					} 
				}     else
						if(b[i].getText() == o&&b[i+2].getText() == o)
							if(b[i+1].getText() == "")
							{
								b[i+1].setText(o);
								endGame();
							}
			} else
				if(i == 2 || i == 5 || i == 8 )
				{
					if(b[i].getText() == o&&b[i-1].getText() == o)
					{
						if(b[i-2].getText() == "")
						{
							b[i-2].setText(o);
							endGame();
						}
					}   else
							if(b[i].getText() == o&&b[i-2].getText() == o)
								if(b[i-1].getText() == "")
								{
									b[i-1].setText(o);
									endGame();
								}
					
				} else 
						if(i == 0 || i == 2 || i == 3 )
						{
							if(b[i].getText() == o&&b[i+3].getText() == o)
							{
								if(b[i+6].getText() == "")
								{
									b[i+6].setText(o);
									endGame();
								} 
							}   else
									if(b[i].getText() == o&&b[i+6].getText() == o)
										if(b[i+3].getText() == "")
										{
											b[i+3].setText(o);
											endGame();
										}
						} else
							if(i == 6 || i == 7 || i == 8 )
							{
								if(b[i].getText() == o&&b[i-3].getText() == o)
								{
									if(b[i-6].getText() == "")
									{
										b[i-6].setText(o);
										endGame();
									}
								} else
										if(b[i].getText() == o&&b[i-6].getText() == o)
											if(b[i-3].getText() == "")
											{
												b[i-3].setText(o);
												endGame();
											}
								
							} else
									if(i == 0)
									{
										if(b[i].getText() == o&&b[i+4].getText() == o)
										{
											if(b[i+8].getText() == "")
											{
												b[i+8].setText(o);
												endGame();
											} 
										}	else
												if(b[i].getText() == o&&b[i+8].getText() == o)
												{
													if(b[i+4].getText() == "")
													{
														b[i+4].setText(o);
														endGame();
													}
												} else if(b[i+4].getText() == o&&b[i+8].getText() == o)
													if(b[i].getText() == "")
													{
														b[i].setText(o);
														endGame();
													}
										
									} else
										if(i == 2)
										{
											if(b[i].getText() == o&&b[i+2].getText() == o)
											{
												if(b[i+4].getText() == "")
												{
													b[i+4].setText(o);
													endGame();
												} 
											} else
													if(b[i].getText() == o&&b[i+4].getText() == o)
													{
														if(b[i+2].getText() == "")
														{
															b[i+2].setText(o);
															endGame();
														}
													} else if(b[i+2].getText() == o&&b[i+4].getText() == o)
														if(b[i].getText() == "")
														{
															b[i].setText(o);
															endGame();
														}
											
										} else {comStopPlayer();}
			}
						
			
		}
	
	public void addActionListeners()
	{
		l[0] = new ActionListener(){
			
			public void actionPerformed(ActionEvent e) {
				
				if(playerTurn)
				{
					if(b[0].getText() == "")
						b[0].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
				
			}
		};
		/*button 2*/
		l[1] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[1].getText() == "")
						b[1].setText(x);
					
					changeTurns();
				}
                  comTurn();
				
				checkforwin();
			}
		};
		/*button 3*/
		l[2] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[2].getText() == "")
						b[2].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
		/*button 4*/
		l[3] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[3].getText() == "")
						b[3].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
		/*button 5*/
		l[4] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[4].getText() == "")
						b[4].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
		/*button 6*/
		l[5] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[5].getText() == "")
						b[5].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
		/*button 7*/
		l[6] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[6].getText() == "")
						b[6].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
		/*button 8*/
		l[7] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0){
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[7].getText() == "")
						b[7].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
		/*button 9*/
		l[8] = new ActionListener(){
			
			public void actionPerformed(ActionEvent args0) {
				// TODO Auto-generated method stub
				if(playerTurn)
				{
					if(b[8].getText() == "")
						b[8].setText(x);
					
					changeTurns();
				}
				comTurn();
				
				checkforwin();
			}
		};
	}
	public void checkforwin()
		{
			if(b[0].getText() == x&&b[1].getText() == x&&b[2].getText() == x)
		{
			JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
			 
			endGame(); 
		}else
			if(b[3].getText() == x&&b[4].getText() == x&&b[5].getText() == x)
			{
				JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
				 
				endGame(); 
			}else
				if(b[6].getText() == x&&b[7].getText() == x&&b[8].getText() == x)
				{
					JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
					 
					endGame(); 
				}else
					if(b[0].getText() == x&&b[3].getText() == x&&b[6].getText() == x)
					{
						JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
						 
						endGame(); 
					}else
						if(b[1].getText() == x&&b[4].getText() == x&&b[7].getText() == x)
						{
							JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
							 
							endGame(); 
						}else
							if(b[2].getText() == x&&b[5].getText() == x&&b[8].getText() == x)
							{
								JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
								 
								endGame(); 
							}else
								if(b[0].getText() == x&&b[4].getText() == x&&b[8].getText() == x)
								{
									JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
									 
									endGame(); 
								}else
									if(b[2].getText() == x&&b[4].getText() == x&&b[6].getText() == x)
									{
										JOptionPane.showMessageDialog(frame,"The X IS THE WINNER !");
										 
										endGame(); 
									}
		
		//endGame();
		
		if(b[0].getText() == o&&b[1].getText() == o&&b[2].getText() == o)
		{
			JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
			 
			endGame(); 
		}else
			if(b[3].getText() == o&&b[4].getText() == o&&b[5].getText() == o)
			{
				JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
				 
				endGame(); 
			}else
				if(b[6].getText() == o&&b[7].getText() == o&&b[8].getText() == o)
				{
					JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
					 
					endGame(); 
				}else
					if(b[0].getText() == o&&b[3].getText() == o&&b[6].getText() == o)
					{
						JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
						 
						endGame(); 
					}else
						if(b[1].getText() == o&&b[4].getText() == o&&b[7].getText() == o)
						{
							JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
							 
							endGame(); 
						}else
							if(b[2].getText() == o&&b[5].getText() == o&&b[8].getText() == o)
							{
								JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
								 
								endGame(); 
							}else
								if(b[0].getText() == o&&b[4].getText() == o&&b[8].getText() == o)
								{
									JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
									 
									endGame(); 
								}else
									if(b[2].getText() == o&&b[4].getText() == o&&b[6].getText() == o)
									{
										JOptionPane.showMessageDialog(frame,"The O IS THE WINNER !");
										 
										endGame(); 
									}
		}

		

	public void addButtons()
	{
		addActionListeners();
		
		b = new JButton[9];
		for( int i = 0;i<9;i++)
		{		
			b[i] = new JButton("");
			b[i].setSize(80,80);
			int xlocation = ((i%3)*85)+70;
			int ylocation = ((i/3)*85)+70;
			b[i].setLocation(xlocation,ylocation);
			panel.add(b[i]);
			b[i].addActionListener(l[i]);
			b[i].setFont(new Font("Arial",50,50));
		}
	}
	public void createFrame()
	{
		frame = new JFrame("Java Game");
		frame.setVisible(true);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(400,400);
		frame.setResizable(false);
		/*JPanel*/
		panel = new JPanel();
		panel.setLayout(null);
		frame.add(panel);
		panel.setBackground(Color.ORANGE);
		/*Buttons*/
		addButtons();
	}
	public void comFirstTurns()
	{
		while(count == 0 && comTurn)
		{
		if(comTurn)
		{
		  if(b[4].getText() == ""){
			 b[4].setText(o);
			 changeTurns();
			} else 
				if(b[4].getText() == x){
					int random = (int)(Math.random()*4)+1;
					switch(random)
					{
					case 1:if(b[0].getText() == "")
						b[0].setText(o);
					    changeTurns();
					    break;
					case 2:if(b[2].getText() == "")
						b[2].setText(o);
					    changeTurns();
					    break;
					case 3:if(b[6].getText() == "")
						b[6].setText(o);
					    changeTurns();
					    break;
					case 4:if(b[8].getText() == "")
						b[8].setText(o);
					    changeTurns();
					    break;
					}
				} else {comWinLogic();  comStopPlayer();}
		}//computer Turn.
		count ++;
		}
	}
	public void comStopPlayer()
	{
		for(int i = 0 ;i<9 && comTurn == true;i++)
		{
			
			
			if(i == 0 || i == 3 || i == 6 )
			{
				if(b[i].getText() == x&&b[i+1].getText() == x)
				{
					if(b[i+2].getText() == "")
					{
						b[i+2].setText(o);
						changeTurns();
					} 
				}     else
						if(b[i].getText() == x&&b[i+2].getText() == x)
							if(b[i+1].getText() == "")
							{
								b[i+1].setText(o);
								changeTurns();
							}
			} else
				if(i == 2 || i == 5 || i == 8 )
				{
					if(b[i].getText() == x&&b[i-1].getText() == x)
					{
						if(b[i-2].getText() == "")
						{
							b[i-2].setText(o);
							changeTurns();
						}
					}   else
							if(b[i].getText() == x&&b[i-2].getText() == x)
								if(b[i-1].getText() == "")
								{
									b[i-1].setText(o);
									changeTurns();
								}
					
				} else 
						if(i == 0 || i == 2 || i == 3 )
						{
							if(b[i].getText() == x&&b[i+3].getText() == x)
							{
								if(b[i+6].getText() == "")
								{
									b[i+6].setText(o);
									changeTurns();
								} 
							}   else
									if(b[i].getText() == x&&b[i+6].getText() == x)
										if(b[i+3].getText() == "")
										{
											b[i+3].setText(o);
											changeTurns();
										}
						} else
							if(i == 6 || i == 7 || i == 8 )
							{
								if(b[i].getText() == x&&b[i-3].getText() == x)
								{
									if(b[i-6].getText() == "")
									{
										b[i-6].setText(o);
										changeTurns();
									}
								} else
										if(b[i].getText() == x&&b[i-6].getText() == x)
											if(b[i-3].getText() == "")
											{
												b[i-3].setText(o);
												changeTurns();
											}
								
							} else
									if(i == 0)
									{
										if(b[i].getText() == x&&b[i+4].getText() == x)
										{
											if(b[i+8].getText() == "")
											{
												b[i+8].setText(o);
												changeTurns();
											} 
										}	else
												if(b[i].getText() == x&&b[i+8].getText() == x)
												{
													if(b[i+4].getText() == "")
													{
														b[i+4].setText(o);
														changeTurns();
													}
												} else if(b[i+4].getText() == x&&b[i+8].getText() == x)
													if(b[i].getText() == "")
													{
														b[i].setText(o);
														changeTurns();
													}
										
									} else
										if(i == 2)
										{
											if(b[i].getText() == x &&b[i+2].getText() == x)
											{
												if(b[i+4].getText() == "")
												{
													b[i+4].setText(o);
													changeTurns();
												} 
											} else
													if(b[i].getText() == x &&b[i+4].getText() == x)
													{
														if(b[i+2].getText() == "")
														{
															b[i+2].setText(o);
															changeTurns();
														}
													} else if(b[i+2].getText() == x&&b[i+4].getText() == x)
														if(b[i].getText() == "")
														{
															b[i].setText(o);
															changeTurns();
														}
											
										} else {comFirstTurns();}
			}
						
			
		
	
	}
	
	public void comTurn()
	{
		comWinLogic();
		comStopPlayer();
		comFirstTurns();
	}
	
	
	
	AITTT()
	{
		createFrame();
		
		
		
		res = new JButton("RESTART GAME");
		panel.add(res);
		res.setSize(130, 30);
		res.setLocation(132, 30);
		res.setForeground(Color.red);
		res.setFont(new Font("Tahoma Bold",12,12));
		res.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				for(int i = 0;i<9;i++)
				{
					b[i].setText("");
				}
				playerTurn = true;
				comTurn = false;
				count = 0;
			}
		});
		
	}//constractor
public static void main(String args[])
	{
	new AITTT();
	}
}