package se.liu.ida.rasry945.tetris;

public class TetrominoMaker
{
    public int getNumberOfTypes() {
	return 6;
    }

    public Poly getPoly(int n) {
	switch (n) {
	    case 0:
		return createPolyI();
	    case 1:
	        return createPolyO();
	    case 2:
	        return createPolyT();
	    case 3:
	        return createPolyS();
	    case 4:
	        return createPolyZ();
	    case 5:
	        return createPolyJ();
	    case 6:
	        return createPolyL();
	    default:
		return createPolyEMPTY();
	}
    }

    private static SquareType[][] createPolyAllEMPTY(int size) {
	SquareType[][] newArray = new SquareType[size][size];
	if (size > 0) {
	    for (int x = 0; x < size; x++) {
		for (int y = 0; y < size; y++) {
		    newArray[x][y] = SquareType.EMPTY;
		}
	    }
	}
	return newArray;
    }

    private static Poly createPolyEMPTY() {
	SquareType[][] newArray = createPolyAllEMPTY(0);
    	Poly thePoly = new Poly(newArray, 0);
    	return thePoly;
        }

    private static Poly createPolyI() {
	SquareType[][] newArray = createPolyAllEMPTY(4);
	newArray[0][1] = SquareType.I;
	newArray[1][1] = SquareType.I;
	newArray[2][1] = SquareType.I;
	newArray[3][1] = SquareType.I;
	Poly thePoly = new Poly(newArray, 4);
	return thePoly;
    }

    private static Poly createPolyO() {
	SquareType[][] newArray = createPolyAllEMPTY(2);
	newArray[0][0] = SquareType.O;
	newArray[0][1] = SquareType.O;
	newArray[1][0] = SquareType.O;
	newArray[1][1] = SquareType.O;
	Poly thePoly = new Poly(newArray, 2);
	return thePoly;
    }

    private static Poly createPolyT() {
	SquareType[][] newArray = createPolyAllEMPTY(3);
	newArray[1][0] = SquareType.T;
	newArray[0][1] = SquareType.T;
	newArray[1][1] = SquareType.T;
	newArray[2][1] = SquareType.T;
	Poly thePoly = new Poly(newArray, 3);
	return thePoly;
    }

    private static Poly createPolyS() {
	SquareType[][] newArray = createPolyAllEMPTY(3);
	newArray[0][0] = SquareType.S;
	newArray[1][0] = SquareType.S;
	newArray[1][1] = SquareType.S;
	newArray[2][1] = SquareType.S;
	Poly thePoly = new Poly(newArray, 3);
	return thePoly;
    }

    private static Poly createPolyZ() {
	SquareType[][] newArray = createPolyAllEMPTY(3);
	newArray[1][0] = SquareType.Z;
	newArray[2][0] = SquareType.Z;
	newArray[1][1] = SquareType.Z;
	newArray[0][1] = SquareType.Z;
	Poly thePoly = new Poly(newArray, 3);
	return thePoly;
    }

    private static Poly createPolyJ() {
	SquareType[][] newArray = createPolyAllEMPTY(4);
	newArray[0][0] = SquareType.J;
	newArray[0][1] = SquareType.J;
	newArray[1][1] = SquareType.J;
	newArray[2][1] = SquareType.J;
	Poly thePoly = new Poly(newArray, 4);
	return thePoly;
    }

    private static Poly createPolyL() {
	SquareType[][] newArray = createPolyAllEMPTY(4);
	newArray[2][0] = SquareType.L;
	newArray[2][1] = SquareType.L;
	newArray[1][1] = SquareType.L;
	newArray[0][1] = SquareType.L;
	Poly thePoly = new Poly(newArray, 4);
	return thePoly;
    }
}