import java.awt.*;

public class HotelMap extends Canvas
{

    private Room[] myRooms;
    private final int WIDTH = 500;
    private final int HEIGHT = 150;
    private Room mySelected;
    private Image myOffScreen;
    Graphics buffer;
    boolean bufferSet;
    
    
    public HotelMap()
    {
	bufferSet = false;
	myRooms = new Room[41];
	for (int k=1;k<41;k++)
	{
	    myRooms[k] = new Room(100+k);
	}
    }

    private void initBuffer()
    {
	bufferSet = true;
	myOffScreen = createImage(WIDTH,HEIGHT);
	buffer = myOffScreen.getGraphics();
    }

    public Dimension minimumSize()
    {
        return new Dimension(WIDTH, HEIGHT);
    }

    public Dimension preferredSize()
    {
        return new Dimension(WIDTH,HEIGHT);
    }

    public void paint(Graphics g)
    {
	if (bufferSet == false)
	    initBuffer();

	Font f1 = new Font("Helvetica",Font.BOLD,16);
	buffer.setFont(f1);
	FontMetrics fm1 = buffer.getFontMetrics();
	String head = "Motel 1 Registration Desk";
	buffer.drawString(head,WIDTH/2-fm1.stringWidth(head),2+fm1.getHeight());

	int roomCount = 0;
	for (int k=0;k<2;k++)
	{
	    for (int j=0;j<10;j++)
	    {
		roomCount++;
		myRooms[roomCount].draw(buffer,j*Room.ROOM_SIZE+20,k*Room.ROOM_SIZE+40);
	    }
	}

	for (int k=0;k<5;k++)
	{
	    for (int j=0;j<2;j++)
	    {
		roomCount++;
		myRooms[roomCount].draw(buffer,j*Room.ROOM_SIZE+40+Room.ROOM_SIZE*10,k*Room.ROOM_SIZE+40);
	    }
	}

	for (int k=0;k<5;k++)
	{
	    for (int j=0;j<2;j++)
	    {
		roomCount++;
		myRooms[roomCount].draw(buffer,j*Room.ROOM_SIZE+100+Room.ROOM_SIZE*10,k*Room.ROOM_SIZE+40);
	    }
	}

	buffer.drawRect(90,100,70,40);
	String p = "POOL";
	int width = buffer.getFontMetrics().stringWidth(p);
	buffer.drawString(p,125-width/2,120+buffer.getFontMetrics().getHeight()/2);
	g.drawImage(myOffScreen,0,0,this);
    }

    public void occupy(String roomnum)
    {
	myRooms[Integer.parseInt(roomnum)-100].occupied = true;
    }

    public void unoccupy(String roomnum)
    {
	myRooms[Integer.parseInt(roomnum)-100].occupied = false;
    }

    
    public boolean mouseDown(Event e, int x, int y)
    {
        Room temp;
        if (mySelected != null)
        {
            mySelected.deselect();
            mySelected = null;
        }
        for (int i = 1; i < myRooms.length; i++)
        {
            temp = myRooms[i];
            if (temp.contains(x,y))
            {
                mySelected = temp;
                mySelected.select();
                repaint();
	       	e.target = this;
		getParent().action(e,"wingwang");
		return true;
            }
        }
     
        return super.mouseDown(e,x,y);
    }

    public int getSelectedNumber()
    {
	return mySelected.getNumber();
    }
	

    
}