package com.droidquest.devices;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

import com.droidquest.Room;
import com.droidquest.Wire;
import com.droidquest.chipstuff.Port;

public class XORGate extends Device 
{
transient ImageIcon images[];   

public XORGate(int X, int Y, Room r) 
  {
	x=X; y=Y; room =r;
	width=28; height=50;
	GenerateIcons();
	currentIcon = icons[rotation%2].getImage();
	try
	  {
	     g = icons[0].getImage().getGraphics();
	  }
	catch (NullPointerException e)
	  {
	     System.out.println("Could not get Graphics pointer to XORGate Image");
	     return;
	  }
	
  }

public void Decorate() 
  {
	super.Decorate();
	if (ports[0].value ^ ports[1].value)
	  g.drawImage(images[4+rotation].getImage(), 0, 0, level);
	else
	  g.drawImage(images[rotation].getImage(), 0, 0, level);
  }

public void GenerateIcons() 
  {
	super.GenerateIcons();
	if (ports==null)
	  {
	     ports = new Port[3];
	     ports[0] = new Port(7,47,Port.TYPE_INPUT,12,Port.ROT_DOWN,this);
	     ports[1] = new Port(23,43,Port.TYPE_INPUT,8,Port.ROT_DOWN,this);
	     ports[2] = new Port(12,2,Port.TYPE_OUTPUT,16,Port.ROT_UP,this);
	     if (rotation > 0)
	       {
		  int rot = rotation;
		  if (rotation%2==1)
		    {
		       int temp = width;
		       width = height;
		       height = temp;
		    }
		  rotation = 0;
		  for (int r=0; r<rot; r++)
		    rotate(1);
	       }
	  }
	goesInToolbox=true;
	images = new ImageIcon[8];
	int w; int h;
	if (rotation%2==0)
	  {w=width; h=height;}
	else
	  {w=height; h=width;}
	for (int v=0; v<2; v++)
	  for (int r=0; r<4; r++)
	    {
	       int a = r + v*4;
	       if (r%2==0)
		 images[a] = new ImageIcon( new BufferedImage(w,h,BufferedImage.TYPE_4BYTE_ABGR));
	       else
		 images[a] = new ImageIcon( new BufferedImage(h,w,BufferedImage.TYPE_4BYTE_ABGR));
	       try
		 {
		    g = images[a].getImage().getGraphics();
		 }
	       catch (NullPointerException e)
		 {
		    System.out.println("Could not get Graphics pointer to Device Image");
		    return;
		 }
	       Graphics2D g2 = (Graphics2D) g;
	       g2.setBackground(transparent);
	       g2.clearRect(0,0,width,height);
	       
	       if (v==0)
		 g.setColor(Color.white);
	       else
		 g.setColor(new Color(255,128,0));
	       switch(r)
		 {
		  case 0: // Up
		    g.fillRect(8,18,12,2);
		    g.fillRect(8,18,4,4);
		    g.fillRect(16,18,4,4);
		    g.fillRect(4,20,4,6);
		    g.fillRect(20,20,4,6);
		    g.fillRect(0,24,4,10);
		    g.fillRect(24,24,4,10);
		    g.fillRect(4,30,4,2);
		    g.fillRect(20,30,4,2);
		    g.fillRect(8,32,12,2);
		    g.fillRect(8,28,12,2);
		    break;
		  case 1: // Right
		    g.fillRect(16,0,10,4);
		    g.fillRect(16,24,10,4);
		    g.fillRect(24,4,6,4);
		    g.fillRect(24,20,6,4);
		    g.fillRect(28,8,4,4);
		    g.fillRect(28,16,4,4);
		    g.fillRect(30,12,2,4);
		    g.fillRect(18,4,2,4);
		    g.fillRect(18,20,2,4);
		    g.fillRect(16,8,2,12);
		    g.fillRect(20,8,2,12);
		    break;
		  case 2: // Down
		    g.fillRect(0,16,4,10);
		    g.fillRect(24,16,4,10);
		    g.fillRect(4,24,4,6);
		    g.fillRect(20,24,4,6);
		    g.fillRect(8,28,4,4);
		    g.fillRect(16,28,4,4);
		    g.fillRect(12,30,4,2);
		    g.fillRect(4,18,4,2);
		    g.fillRect(20,18,4,2);
		    g.fillRect(8,16,12,2);
		    g.fillRect(8,20,12,2);
		    break;
		  case 3: // Left
		    g.fillRect(24,0,10,4);
		    g.fillRect(24,24,10,4);
		    g.fillRect(20,4,6,4);
		    g.fillRect(20,20,6,4);
		    g.fillRect(18,8,4,4);
		    g.fillRect(18,16,4,4);
		    g.fillRect(18,12,2,4);
		    g.fillRect(30,4,2,4);
		    g.fillRect(30,20,2,4);
		    g.fillRect(28,8,2,12);
		    g.fillRect(32,8,2,12);
		    break;
		 };
	    }
	currentIcon = icons[rotation%2].getImage();
  }

public boolean Function() 
  {
	ports[2].value = ports[0].value ^ ports[1].value;
	return false;
  }

public void flip() 
  {
	Wire wire1 = ports[0].myWire;
	Wire wire2 = ports[1].myWire;
	if (wire1 != null)
	  {
	     if (wire1.fromPort == ports[0]) wire1.fromPort = ports[1];
	     if (wire1.toPort == ports[0]) wire1.toPort = ports[1];
	     if (wire1.inPort == ports[0]) wire1.inPort = ports[1];
	  }
	if (wire2 != null)
	  {
	     if (wire2.fromPort == ports[1]) wire2.fromPort = ports[0];
	     if (wire2.toPort == ports[1]) wire2.toPort = ports[0];
	     if (wire2.inPort == ports[1]) wire2.inPort = ports[0];
	  }
	ports[0].myWire = wire2;
	ports[1].myWire = wire1;
  }

}