package model.gameState;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import model.drawObjects.Bullet;
import model.drawObjects.Enemy;
import model.drawObjects.Player;
import model.objects.InfoPanel;
import model.objects.PlayArea;
import control.GameStateManager;
import control.button.ButtonEvent;
import control.joystick.JoystickEvent;

public class PlayState extends GameState{

	public static final Rectangle2D borderRect = new Rectangle2D.Double(256, 0, 1024, 1024);
	private PlayArea area;
	private InfoPanel infoPanel;
	private Player player;
	private List<Enemy> enemys;
	private Color[] colors = {Color.MAGENTA,Color.RED,Color.GREEN,Color.YELLOW,Color.CYAN};

	
	public PlayState(GameStateManager gsm) {
		super(gsm);
		area = new PlayArea((int) borderRect.getX(),1024,1024,100);
		infoPanel = new InfoPanel(0, 0);
		enemys = new ArrayList<Enemy>();
		player = new Player(1280-1024+1024/2, 1024/2,area);
		for(int i = 0; i < 8; i++){
			Line2D line = area.getLine(i);
			addEnemy(line, Color.BLUE, 100);
		}
	}

	@Override
	public void init() {
		
		
	}

	@Override
	public void update() {		
		player.update();	
		Iterator<Enemy> enemyIterator = enemys.iterator();
		while(enemyIterator.hasNext()){
			Enemy e = enemyIterator.next();
			Iterator<Bullet> bulletIterator = player.bullets.iterator();
			while(bulletIterator.hasNext()){
				if(e.hit(bulletIterator.next())){
					enemyIterator.remove();
					bulletIterator.remove();
				}
			}
			if(area.octagon.intersects(e.getCircle().getBounds2D())){
				enemyIterator.remove();
			}else{
				e.update();
			}
		}		
		while(enemys.size() < 8){
			int index = (int)(Math.random()*8);
			int speed = (int)(Math.random()*1000);
			int color = (int)(Math.random()*colors.length);
			Line2D line = area.getLine(index);
			addEnemy(line,colors[color],speed);
		}		
	}

	@Override
	public void draw(Graphics2D g2) {	
		infoPanel.draw(g2);
		g2.setClip(borderRect);	
		area.draw(g2);		
		
		if(enemys != null){
			if(!enemys.isEmpty()){
				for(Enemy enemy : enemys){
					enemy.draw(g2);
				}
			}
		}		
		
		if(player != null)
			player.draw(g2);
		
	}
	
	public void addEnemy(Line2D path,Color c,double speed){		
		enemys.add(new Enemy(path,c,20,speed));	
	}

	@Override
	public void buttonPressed(ButtonEvent e) {	
		System.out.println("Playstate button pressed: "+e.getButton().getButtonID());
		switch(e.getButton().getButtonID()){
			case 1:
				player.addBullet(Color.RED);
				break;
			case 2:
				player.addBullet(Color.BLUE);
				break;
			case 3:
				player.addBullet(Color.GREEN);
				break;
			case 4:
				player.addBullet(Color.YELLOW);
				break;
			case 5:
				player.addBullet(Color.MAGENTA);
				break;
			case 6:
				player.addBullet(Color.CYAN);
				break;
		}
	}

	@Override
	public void buttonReleased(ButtonEvent e) {		
//		System.out.println("Playstate button released: "+e.getButton().getButtonID());
	}

	@Override
	public void onJoystickMoved(JoystickEvent e) {		
		switch(e.getJoystick().getPos()){
		case CENTER:
			break;
		case DOWN:
			player.setIndex(4);
			break;
		case DOWN_LEFT:
			player.setIndex(5);
			break;
		case DOWN_RIGHT:
			player.setIndex(3);
			break;
		case LEFT:
			player.setIndex(6);
			break;
		case RIGHT:
			player.setIndex(2);
			break;
		case UP:
			player.setIndex(0);
			break;
		case UP_LEFT:
			player.setIndex(7);
			break;
		case UP_RIGHT:
			player.setIndex(1);
			break;
		default:			
			break;
		}
	}
}