package TicTacToe;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;


public class TicTacToeGame extends JPanel {
	
	private static final long serialVersionUID = 1L;
	public static final int width = 600, height = 600;
	private static final int maxPlayers = 3;
	private static final int playFieldSize = 9;
	
	public Cell[] field;
	public int playerID = 1;
	public int turns = 0;
	public Scoreboard scoreboard;
	
	public TicTacToeGame() {
		this.setSize(width, height);
		setBackground(Color.black);
		setLayout(null);
		initField();
		initScoreboard();
	}

	
	public static void main(String[] args) {
		JFrame f = new JFrame();
		TicTacToeGame ttt = new TicTacToeGame();

		f.add(ttt);
		f.setSize(width,height);
		f.setLayout(null);
		f.setVisible(true);
	}
	
	public void initField() {
		field = new Cell[playFieldSize];
		
		for(int i = 0; i < field.length; i++) {
			field[i] = new Cell(this);
			add(field[i]);
		}
		
		for(int i = 0; i < field.length; i++) {
			if(i < 3) {
				field[i].setBounds(150 + i*100, 150 , 100, 100);
			} else if (i < 6) {
				field[i].setBounds(150 + i%3*100, 250 , 100, 100);
			} else {
				field[i].setBounds(150 + i%3*100, 350 , 100, 100);
			}
		}		
	}
	
	private void initScoreboard() {
		scoreboard = new Scoreboard(maxPlayers);
		scoreboard.setBounds(150, 100, 300, 50);
		add(scoreboard);
	}

	@Override
	protected void paintComponent(Graphics g) {
		super.paintComponent(g);
		Graphics2D g2 = (Graphics2D) g;
		g2.setColor(Color.white);
		
		Line2D lin = new Line2D.Float(250, 150, 250, 450);
		Line2D lin2 = new Line2D.Float(350, 150, 350, 450);
		Line2D lin3 = new Line2D.Float(150, 250, 450, 250);
		Line2D lin4 = new Line2D.Float(150, 350, 450, 350);
		
        g2.draw(lin);
        g2.draw(lin2);
        g2.draw(lin3);
        g2.draw(lin4);
	}

	public void endTurn() {
		if(checkPlayfield() != 0) {
			JOptionPane.showMessageDialog(getParent(),"Player: " + playerID + " Wins!");	
			scoreboard.addPoint(playerID);
			resetGame();
		} else {
			turns++;
			if(turns >= playFieldSize) {
				JOptionPane.showMessageDialog(getParent(),"Draw!");	
				scoreboard.addPoint(0);
				resetGame();
			}
			
			playerID++;
			if(playerID >= maxPlayers) {
				playerID = 1;
			}
		}
		
		
	}

	public int checkPlayfield() {
		if ((field[0].playerID == playerID && field[1].playerID == playerID && field[2].playerID == playerID)
				|| (field[0].playerID == playerID && field[3].playerID == playerID && field[6].playerID == playerID)
				|| (field[8].playerID == playerID && field[5].playerID == playerID && field[2].playerID == playerID)
				|| (field[8].playerID == playerID && field[7].playerID == playerID && field[6].playerID == playerID)
				|| (field[0].playerID == playerID && field[4].playerID == playerID && field[8].playerID == playerID)
				|| (field[0].playerID == playerID && field[4].playerID == playerID && field[8].playerID == playerID)
				|| (field[2].playerID == playerID && field[4].playerID == playerID && field[6].playerID == playerID)
				|| (field[3].playerID == playerID && field[4].playerID == playerID && field[5].playerID == playerID)
				|| (field[1].playerID == playerID && field[4].playerID == playerID && field[7].playerID == playerID)) {

			return playerID;
		}

		return 0;
	}
	
	public void resetGame() {
		for (Cell c : field) {
			c.reset();
		}
		playerID = 1;
		turns = 0;
	}


}