/*
 * GameHandler.java
 * Karl-Adam Karlsson
 * 06-10-17
 *
 * Hanterar wormspelet.
 *
 */



import java.awt.Point;
import java.util.LinkedList;
import javax.swing.*;

public class Gamehandler implements Runnable{
	Direction myDirection;
	Direction enemyDirection;
	Point myPos, enemyPos;
	Paper p;
	LinkedList blackPoints;
	Thread theThread;
	Draw myDraw;
	public boolean run=true;
	Communicator acomm;
	
	/*
	 * Konstruktor, sätter upp directions, en upp, en ner.
	 * Inte mycket mer.
	 */
	public Gamehandler(int aDirection, Paper aPaper, Thread aThread, Draw aDraw, Communicator comm){
		myDirection = new Direction(aDirection);
		p = aPaper;
		theThread = aThread;
		myDraw = aDraw;
		blackPoints = new LinkedList();
		acomm = comm;
		
		if(myDirection.getDir()==1){
			myDirection  = new Direction(1);
			enemyDirection = new Direction(2);
			myPos = new Point(180,10);
			enemyPos = new Point(180,350);
		}
		else{
			myDirection = new Direction(2);
			enemyDirection  = new Direction(1);
			enemyPos = new Point(180,10);
			myPos = new Point(180,350);
		}
	
	}
	
	public void setMyDir(Direction aDir){
		myDirection = aDir;
	}
	public void setEnemyDir(Direction aDir){
		enemyDirection = aDir;
	}
	
	
	/**
	 * RUN sköter maskrörelse ioch letar efter kollision
	 *
	 */
	public void run(){
	
	while(run){
		
		//MIN RÖRELSE
		if(myDirection.getDir() == Direction.UP){
			myPos.setLocation( myPos.getX(), myPos.getY()+1);
		}else if(myDirection.getDir() == Direction.DOWN){
			myPos.setLocation( myPos.getX(), myPos.getY()-1);
		}else if(myDirection.getDir() ==Direction.LEFT){
			myPos.setLocation( myPos.getX()-1, myPos.getY());
		}else if(myDirection.getDir() ==Direction.RIGHT){
			myPos.setLocation( myPos.getX()+1, myPos.getY());
		}
	
		//FIENDENS RÖRELSE
		if(enemyDirection.getDir() == Direction.UP){
			enemyPos.setLocation( enemyPos.getX(), enemyPos.getY()+1); 
		}else if(enemyDirection.getDir() == Direction.DOWN){
			enemyPos.setLocation( enemyPos.getX(), enemyPos.getY()-1);
		}else if(enemyDirection.getDir() ==Direction.LEFT){
			enemyPos.setLocation( enemyPos.getX()-1, enemyPos.getY());
		}else if(enemyDirection.getDir() ==Direction.RIGHT){
			enemyPos.setLocation( enemyPos.getX()+1, enemyPos.getY());
		}
		
		//KROCKAR VI MED NGT???
		if( blackPoints.contains(myPos) ||myPos.getX()<1||myPos.getX()>399||myPos.getY()<1||myPos.getY()>399 ){
			acomm.setRun(false);
			run=false;
			myDraw.setPlay(false);
			myDraw.dispose();
			JOptionPane.showMessageDialog(myDraw, "YOU LOOSE!");
			
		
		//KROCKAR FIENDEN?
		}else if(blackPoints.contains(enemyPos)||enemyPos.getX()<1||enemyPos.getX()>399||enemyPos.getY()<1||enemyPos.getY()>399 ){
			acomm.setRun(false);
			run=false;
			myDraw.setPlay(false);
			myDraw.dispose();
			
			JOptionPane.showMessageDialog(myDraw, "YOU WIN!");
			
		}
		else{//NEHEJ; DÅ FLYTTAR VI
			
			p.drawPoint(myPos);
			p.drawEnemyPoint(enemyPos);
			blackPoints.addLast(new Point( (int)myPos.getX(), (int)myPos.getY()));
			blackPoints.addLast(new Point( (int)enemyPos.getX(), (int)enemyPos.getY()));
		}
		
		try{
			Thread.sleep(100);
		}catch(InterruptedException ie){
			ie.printStackTrace();
		}	
		//p.repaint();
	}
  }
	
}