package com.droidquest.devices;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

import com.droidquest.Room;
import com.droidquest.chipstuff.Port;
import com.droidquest.items.Item;
import com.droidquest.materials.Material;

public class DirectionalSensor extends Device 
{  
String targetClass;
Item target;

public DirectionalSensor(int X, int Y, Room r, Item item) 
  {
	x=X; y=Y; room = r;
	target = item;
	editable=true;
	targetClass = target.getClass().toString().substring(6); // Removes "class "
	width = 64 + target.getWidth();
	height = 64 + target.getHeight();
	ports = new Port[4];
	ports[0] = new Port(width/2-4,0,Port.TYPE_OUTPUT,24,Port.ROT_UP,this);
	ports[1] = new Port(width-5,height/2-4,Port.TYPE_OUTPUT,24,Port.ROT_RIGHT,this);
	ports[2] = new Port(width/2-1,height-4,Port.TYPE_OUTPUT,24,Port.ROT_DOWN,this);
	ports[3] = new Port(0,height/2-1,Port.TYPE_OUTPUT,24,Port.ROT_LEFT,this);
	GenerateIcons();
  }

public void GenerateIcons() 
  {
	if (ports==null)
	  {
	     ports = new Port[4];
	     ports[0] = new Port(width/2-4,0,Port.TYPE_OUTPUT,24,Port.ROT_UP,this);
	     ports[1] = new Port(width-5,height/2-4,Port.TYPE_OUTPUT,24,Port.ROT_RIGHT,this);
	     ports[2] = new Port(width/2-1,height-4,Port.TYPE_OUTPUT,24,Port.ROT_DOWN,this);
	     ports[3] = new Port(0,height/2-1,Port.TYPE_OUTPUT,24,Port.ROT_LEFT,this);
	  }
	icons = new ImageIcon[1];
	icons[0] = new ImageIcon( new BufferedImage(width,height,BufferedImage.TYPE_4BYTE_ABGR));
	target.GenerateIcons();
	currentIcon = icons[rotation%2].getImage();
  }

public boolean Function() 
  {
	ports[0].value=false;
	ports[1].value=false;
	ports[2].value=false;
	ports[3].value=false;
	if (room.portalItem == null)
	  {
	     // Directional Sensor is not inside robot.
	     for (int a=0;a<level.items.size(); a++)
	       {
		  Item item = (Item) level.items.elementAt(a);
		  if (item.room == room && item.carriedBy==null)
//		    if (item.getClass().toString().endsWith(targetClass))
		    if (target.getClass().isInstance(item))
		      {
			 Dimension d = GetXY();
			 int X = d.width;
			 int Y = d.height;
			 if (item.y < Y)
			   {
			      ports[0].value=true;
			      a=level.items.size();
			   }
			 if (item.x + item.getWidth() > X + width)
			   {
			      ports[1].value=true;
			      a=level.items.size();
			   }
			 if (item.y + item.getHeight() > Y + height)
			   {
			      ports[2].value=true;
			      a=level.items.size();
			   }
			 if (item.x < X)
			   {
			      ports[3].value=true;
			      a=level.items.size();
			   }
		      }
	       }
	  }
	else
	  {
	     // Directional Sensor is inside Robot.
	     for (int a=0;a<level.items.size(); a++)
	       {
		  Item item = (Item) level.items.elementAt(a);
		  if (item.room == room.portalItem.room && item.carriedBy==null)
		    if (target.getClass().isInstance(item))
		      {
			 Dimension d = room.portalItem.GetXY();
			 int X = d.width;
			 int Y = d.height;
			 if (item.y < Y)
			   {
			      ports[0].value=true;
			      a=level.items.size();
			   }
			 if (item.x + item.getWidth() > X + room.portalItem.getWidth())
			   {
			      ports[1].value=true;
			      a=level.items.size();
			   }
			 if (item.y + item.getHeight() > Y + room.portalItem.getHeight())
			   {
			      ports[2].value=true;
			      a=level.items.size();
			   }
			 if (item.x < X)
			   {
			      ports[3].value=true;
			      a=level.items.size();
			   }
		      }
	       }
	  }	
	return false;
  }

public void Decorate() 
  {
	super.Decorate();
	g.setColor(Color.white);
	g.drawRect(24,24,target.getWidth()+12, target.getHeight()+12);
	g.drawRect(25,25,target.getWidth()+10, target.getHeight()+10);
	g.drawImage(target.currentIcon, 30, 30, level);
  }

public void rotate(int dir) 
  {
	// Does not Rotate!
  }

public void Erase() 
  {
	super.Erase();
	target = null;
  }

}