package Puzzle;

import java.awt.event.*;


/**
 * Puzzle -- the application class for the N-puzzle
 * Gui/App 
 *
 */
public class PuzzleApp implements ActionListener
{
    /**
     * constructs a Puzzle Application for a size X size board
     * @param size the size of the board
     *
     */
    public PuzzleApp(int size,PuzzleTileFactory ptf)
    {
	mySize = size;
	myFactory = ptf;
    }

    /**
     * attach a gui to the application (these will be tightly coupled)
     * @param gui is the attached gui
     *
     */
    
    public void addGUI(PuzzleGui gui)
    {

    }

    /**
     * search on board for the string s
     */
    
    }

    /**
     * performs the action associated with this
     * class being an ActionListener
     *
     * @param e the ActionEvent listed to
     */
    
    public void actionPerformed(ActionEvent e)
    {

	PuzzleTile pt = (PuzzleTile) e.getSource();

    }


    /**
     * @return size of board
     */
    
    public int getSize()
    {
	return mySize;
    }

    /**
     * @return the PuzzleTileFactory associated with the app
     */
    public PuzzleTileFactory getFactory()
    {
	return myFactory;
    }

    public static void main(String args[])
    {
	String filename;
	if (args.length == 1)
	{
	    filename = "jimmy.gif";
	}

	int size = 4;
	PuzzleTileFactory ptf = new ImagePuzzleTileFactory(filename,size);
	Puzzle app = new PuzzleApp(size,ptf);

	/*
	 * we should construct a GUI thats separate from the application
	 */


    }

    private int mySize;
    private PuzzlePiece[][] myPieces;
    private PuzzleGui myGui;
    private PuzzleTileFactory myFactory;
}


/**
 * encapsulate a puzzle piece from the Application's perspective
 * this is mostly a labeled object with a PuzzleTile
 */

class PuzzlePiece
{
    /**
     * @param gui the Interface to which this piece belongs
     * @param label the label associated with this piece
     * both in app and in gui
     */
    
    public PuzzlePiece(PuzzleGui gui, String label)
    {
	myLabel = label;
	myTile = gui.makeTile(label);
    }

    /**
     * @param label is the string associated with this piece
     */
    public void setLabel(String label)
    {
	myLabel = label;
	myTile.setLabel(label);
    }

    /**
     * @return the label associated with this piece
     */
    public String getLabel()
    {
	return myLabel;
    }

    /**
     * @return the PuzzleTile associated with this piece
     */
    
    public PuzzleTile getTile()
    {
	return myTile;
    }

    /**
     * @return a string-ized form of the puzzle piece
     */
    
    public String toString()
    {
	return myLabel;
    }
    
    private String     myLabel;
    private PuzzleTile myTile;    
}