package sdu.edu.controller;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import sdu.edu.entities.Ground;
import sdu.edu.entities.Shap;
import sdu.edu.entities.ShapFactory;
import sdu.edu.listener.ShapListener;
import sdu.edu.view.GamePanel;

public class Controller extends KeyAdapter implements ShapListener{
	
	private Shap shap;
	private Ground ground;
	private ShapFactory shapFactory;
	private GamePanel gamePanel;
	
	public Controller(ShapFactory sf, Ground g, GamePanel gp) {
		this.shapFactory = sf;
		this.gamePanel = gp;
		this.ground = g;
	}
	
	@Override
	public void shapMoveDown(Shap shap) {
		// TODO Auto-generated method stub
		gamePanel.display(ground, shap);
	}
	
	@Override
	public synchronized boolean isShapMoveDownable(Shap shap) {
		// TODO Auto-generated method stub
		if(this.shap != shap)return false;		
		if(ground.isShapMove(shap, Shap.DOWN))
			return true;
		ground.accept(this.shap);
		if(!ground.isFull())
		this.shap = shapFactory.getShap(this);
		return false;
	}
	
	public void newGame() {
		shap = shapFactory.getShap(this);
	}
	
	@Override
	public void keyPressed(KeyEvent e) {
		// TODO Auto-generated method stub
		int key = e.getKeyCode();
		
		switch (key) {
		case KeyEvent.VK_UP:
			if(ground.isShapMove(shap, Shap.RARTE))
				shap.rarte();
			break;
		case KeyEvent.VK_RIGHT:
			if(ground.isShapMove(shap, Shap.RIGHT))
				shap.moveRight();
			break;
		case KeyEvent.VK_DOWN:
			if(isShapMoveDownable(shap))
				shap.moveDown();
			break;
		case KeyEvent.VK_LEFT:
			if(ground.isShapMove(shap, Shap.LEFT))
				shap.moveLeft();
			break;
		}
		gamePanel.display(ground, shap);
	}

	public Shap getShap() {
		return shap;
	}
}