package org.artisanlogiciel.games;

/*
 2x2 Tile to represent a labyrinth position

ab
cd

a is 'H' or '.' or ' '
bcd is 'H' or ' '

*/
public class Brick {

    public final static short LEFT=1;
    public final static short DOWN=2;
    public final static short RIGHT=4;
    public final static short UP=8;
    public final static short ENTRY=16;
    public final static short GOAL=32;

    char a;
    char b;
    char c;
    char d;
    short walls; // according to LabyModel.getWalls();

    public Brick(char center, char right, char down, char downright,short walls)
    {
	a=center;
	b=right;
	c=down;
	d=downright;
	this.walls=walls;
    }

    public Brick(String up, String low, short walls)
    {
	a = up.charAt(0);
	b = up.charAt(1);
	c = low.charAt(0);
	d = low.charAt(1);
	this.walls=walls;
    }

    private boolean check()
    {
	// Not Yet Implemented
	return false;
    }

    public String getUpString()
    {
	return "" + a + b;
    }

    public String getLowString()
    {
	return "" + c + d;
    }

    public static String getDirLine()
    {
	char dir[] = new char[16];
	String s="";
	
	/*
	dir[LEFT | DOWN | RIGHT | UP]='O';
	dir[LEFT | DOWN | RIGHT]='U';
	dir[LEFT | UP | RIGHT]='M';
	dir[LEFT | UP | DOWN]='[';
	dir[RIGHT | UP | DOWN]=']';
	dir[UP | DOWN]='=';
	dir[LEFT | RIGHT]='|';
	dir[RIGHT | DOWN]='J';
	dir[LEFT | DOWN]='L';
	dir [LEFT | UP]='T';
	dir[UP | RIGHT]='7';
	dir[LEFT] = '!';
	dir[RIGHT] ='|';
	dir[DOWN]= '_';
	dir[UP]= '¨';
	dir[0]=' ';
	*/

	dir[LEFT | DOWN | RIGHT | UP]='O';
	dir[LEFT | DOWN | RIGHT]='U';
	dir[LEFT | UP | RIGHT]='M';
	dir[LEFT | UP | DOWN]='[';
	dir[RIGHT | UP | DOWN]=']';
	dir[UP | DOWN]='=';
	dir[LEFT | RIGHT]=226;
	dir[RIGHT | DOWN]='J';
	dir[LEFT | DOWN]='L';
	dir [LEFT | UP]=169;
	dir[UP | RIGHT]=170;
	dir[LEFT] = 173;
	dir[RIGHT] ='|';
	dir[DOWN]= '_';
	dir[UP]= '¨';
	dir[0]=' ';
	
	for (int i=0;i< 16; i++)
	    {
		s=s+dir[i];
	    }

	return s;

    }

    public char getChar()
    {
	//	return getDirLine().charAt(walls & 0xFFF0);
	return getDirLine().charAt(walls);
    }

    public short getWalls()
    {
	return walls;
    }
}