//  Tetris main program skeleton code
//  Hao Jiang, April 2, 2008, at Boston College
 
import java.awt.Color;

public class Tetris implements DrawListener {
    private final int BW = 10;
    private final int BH = 20;
    private Draw draw = new Draw(300, 600);
    private int[][] board = new int[BH][BW];
    private Tetromino tetrad;
    // SRS style
    //private Color[] tileColor = {
    //         Color.cyan, Color.blue, Color.orange, Color.yellow,
    //         Color.green, Color.pink, Color.red };

    // Microsoft Color Style
    private Color[] tileColor = {
             Color.red, Color.magenta, Color.yellow, Color.cyan,
             Color.blue, Color.gray, Color.green };

    public Tetris() {
        draw.addListener(this);
        draw.setXscale(0, BW);
        draw.setYscale(0, BH);
    }

    public void createNewTetrad()
    {
       int k = (int)(Math.random() * 7) + 1; 
       tetrad = new Tetromino(k, board);
    }

    public void keyTyped(char c) {
        if      (c == 'i')  // up
        {
             tetrad.rotate();
        }     
        else if (c == 'j')  // left
        {
             tetrad.moveLeft();
        }
        else if (c == 'k') // down
        {
             tetrad.moveDown();
        }
        else if (c == 'l') // right
        {
             tetrad.moveRight();
        }
    }


    public void mousePressed (double x, double y) { }
    public void mouseDragged (double x, double y) { }
    public void mouseReleased(double x, double y) { }

    public void clearBoard()
    {
       for(int i = 0; i < BH; i ++)
       for(int j = 0; j < BW; j ++)
       {
          if (board[i][j] > 7)
          {   
              board[i][j] = 0;
          }
       }  
    }

    public void draw()
    {
           draw.clear(Color.black);
           for (int i = 0; i < BH; i ++)
           for (int j = 0; j < BW; j ++)
           {
             int t = board[i][j];
             if (t > 7) t = t - 7;
             if ( t != 0)
             {
                draw.setPenColor(tileColor[t-1]);
                draw.filledSquare(j + 0.5, BH - 1 - i + 0.5, 0.48);
             }
           }

           drawBorder();
           draw.show(5);
    }

    public void drawBorder()
    {
           draw.setPenColor(Color.white);
           draw.line(BW, 0, BW, BH);
           draw.line(0, 0, 0, BH);
           draw.line(0, 0, BW, 0);
           draw.line(0, BH, BW, BH);
    }


    public static void main(String[] args) {
        Tetris tetris = new Tetris();
        tetris.createNewTetrad();
        int cn = 0;
        while(true)
        {            
           tetris.clearBoard();
           tetris.drawBorder();
           tetris.tetrad.move();            
           tetris.draw();
           tetris.draw.show(10);           
        }
        
     }
 

   
}