/**
 * This class implements the board for the game MineSweeper.
 * 
 * @author John Paxton
 * @version 1.0
 */

public class GameBoard
{
    GameBoard ()
    {
        board = new Tile [SIZE + 2][SIZE + 2];
    }
    
    public void initialize()
    {
        for (int row = 0; row < SIZE + 2; row++)
        {
            for (int col = 0; col < SIZE + 2; col++)
            {
                board[row][col] = new Tile();
            }
        }
        
        placeMines();
        
        for (int row = 1; row <= SIZE; row++)
        {
            for (int col = 1; col <= SIZE; col++)
            {
                board[row][col].setSurroundingMines( calculateMines (row, col) );
            }
        }
    }
    
    private void placeMines()
    {
        board[1][1].setMine();
        board[2][2].setMine();
    }
    
    private int calculateMines (int row, int col)
    {
        int answer = 0;
        
        for (int r = row - 1; r <= row + 1; r++)
        {
            for (int c = col -1; c <= col + 1; c++)
            {
                if ( board[r][c].getMine() )
                {
                    answer++;
                }
            }
        }
        
        return answer;
    }
            
    public void print ()
    {
        for (int row = 1; row <= SIZE; row++)
        {
            printLine();
            for (int col = 1; col <= SIZE; col++)
            {
                System.out.print("| " + board[row][col].getPrintString() + " ");
            }
            System.out.println("|");
        }
        printLine();
    }
    
    private void printLine()
    {
        for (int i = 0; i < SIZE; i++)
        {
            System.out.print("+---");
        }
        System.out.println("+");
    }
    
    private static final int SIZE = 3;
    private static final int MINES = 2;
    
    private Tile [][] board;
}