import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.media.opengl.GL;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCanvas;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.glu.GLU;
import javax.swing.JFrame;

import com.sun.opengl.util.FPSAnimator;
import com.sun.opengl.util.GLUT;

public class RubikGUI extends JFrame implements GLEventListener, KeyListener{

    private static final long serialVersionUID = 1902650987469552859L;

    GLU glu = new GLU();
    GLUT glut = new GLUT();

    GLCapabilities caps;
    GLCanvas canvas;
    FPSAnimator animator;

    public static void main(String[] args) {
        new RubikGUI().start();
    }

    @Override
    public void keyPressed(KeyEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void keyReleased(KeyEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void keyTyped(KeyEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void display(GLAutoDrawable arg0) {

        GL gl = arg0.getGL();

        gl.glClear(GL.GL_COLOR_BUFFER_BIT);

        gl.glBegin(GL.GL_QUADS);

        drawFaceOne(gl);

        //Rubik3x3.performAction(Rubik3x3.getRandomAction());

        gl.glEnd();

    }

    private void drawFaceOne(GL gl) {

        float curx=0, cury=0, curz=3;

        for(int i=0; i<Rubik3x3.TOTAL_CUBIES; i++) {

            int[] cubie_color_arr = Rubik3x3.getCubieColor(i);
            float[] colors = gen_color(Rubik3x3.getColor(cubie_color_arr[5]));

            gl.glColor4fv(colors, 0);
            gl.glVertex3f(curx, cury, curz);
            gl.glVertex3f(curx+1, cury, curz);
            gl.glVertex3f(curx+1, cury+1, curz);
            gl.glVertex3f(curx, cury+1, curz);

            curx++;

            if(i%3 == 0) {
                cury++;
                curx=0;
            }

            if(i%9 == 0) {
                curz--;
                cury=0;
                curx=0;
            }
        }
    }

    private float[] gen_color(String color) {
        switch(color) {
        case "hidden":  return new float[] {0,0,0,0};
        case "red":     return new float[] {1,0,0,1};
        case "orange":  return new float[] {1,1,0,1};
        case "blue":    return new float[] {0,0,1,1};
        case "green":   return new float[] {0,1,1,1};
        case "white":   return new float[] {1,1,1,1};
        case "yellow":  return new float[] {1,1,0,1};
        default:        return new float[] {0,0,0,0};
        }
    }

    public void start() {

        caps = new GLCapabilities();
        caps.setDoubleBuffered(true);
        caps.setHardwareAccelerated(true);

        canvas = new GLCanvas(caps);
        canvas.addGLEventListener(this);
        canvas.addKeyListener(this);

        animator = new FPSAnimator(canvas, 60);

        getContentPane().add(canvas);

        setSize(400, 400);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setVisible(true);
        animator.start();

    }

    @Override
    public void displayChanged(GLAutoDrawable arg0, boolean arg1, boolean arg2) {
        // TODO Auto-generated method stub

    }

    @Override
    public void init(GLAutoDrawable arg0) {

        GL gl = arg0.getGL();

        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
        gl.glMatrixMode(GL.GL_PROJECTION);

        gl.glLoadIdentity();

        glu.gluOrtho2D(-1, 4, -1, 4);
        gl.glMatrixMode(GL.GL_MODELVIEW);

    }

    @Override
    public void reshape(GLAutoDrawable arg0, int arg1, int arg2, int arg3,
            int arg4) {
        // TODO Auto-generated method stub

    }

}