package sdu.edu.entities;

import java.awt.Color;
import java.awt.Graphics;

import sdu.edu.listener.ShapListener;
import sdu.edu.util.Global;

public class Shap {
	public static final int RARTE = 0;
	public static final int LEFT = 1;
	public static final int RIGHT = 2;
	public static final int DOWN = 3;
	
	private ShapListener shapListener;
	
	private int status;
	private int[][] body;
	
	private int top;
	private int left;
	
	public Shap() {
		new Thread(new ShapDriver()).start();
	}
	
	public void moveDown() {
		System.out.println("shap's moveDown");
		top ++;
	}
	
	public void moveLeft() {
		System.out.println("shap's moveLeft");
		left --;
	}
	
	public void moveRight() {
		System.out.println("shap's moveRight");
		left ++;
	}
	
	public void rarte() {
		System.out.println("shap's rarte");
		status = (status + 1) % body.length;
	}
	
	public void drawMe(Graphics g) {
		Color c = g.getColor();
		g.setColor(Color.BLUE);
		for(int i = 0; i < 4; i++) {
			for(int j = 0; j < 4; j++) {
				if(getFlagByPoint(status, i, j)){
					g.fill3DRect((left + i) * Global.CELL_WIDTH, (top + j)
							* Global.CELL_HEIGHT, Global.CELL_WIDTH,
							Global.CELL_HEIGHT, true);
				}
			}
		}
		g.setColor(c);
	}
	
	private boolean getFlagByPoint(int status, int x, int y) {
		return body[status][y * 4 + x] == 1;
	}
	
	public boolean isMember(int x, int y, boolean rarte){
		int tempStatus = status; 
		if(rarte){
			tempStatus = (status + 1) % body.length;
		}
	   	return body[tempStatus][y * 4 + x] == 1;
	}
	
	public void addShapListener(ShapListener sl) {
		if(sl != null){
			this.shapListener = sl;
		}
	}
	
	public void setStuta(int stuta) {
		this.status = stuta;
	}

	public int getTop() {
		return top;
	}

	public int getLeft() {
		return left;
	}

	public void setBody(int[][] body) {
		this.body = body;
	}

	private class ShapDriver implements Runnable{

		@Override
		public void run() {
			// TODO Auto-generated method stub
			while (shapListener.isShapMoveDownable(Shap.this) ) {
				moveDown();
				shapListener.shapMoveDown(Shap.this);
				try {
					Thread.sleep(1000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
	}
}