/*
 * ChessBoard.java
 *
 * Created on February 24, 2005, 2:00 AM
 */

package chess;



/**
 *
 * @author Mike
 */
public class ChessBoard {
    
    protected ChessPiece board[][] = new ChessPiece[8][8]; // board always this size
    
    /** Creates a new instance of ChessBoard 
     * Default version creates starting setup
     */
    public ChessBoard() {
        // first for convenience make all spaces empty
        /*
        for (ChessPiece row[] : board) { 
            for (ChessPiece curr : row) {
                curr = new ChessPiece();  // default is empty
            }
        }
         **/
        for (int row = 0; row < 8; row++) {
            for (int col = 0; col < 8; col++ ) {
                board[row][col] = new ChessPiece();
            }
        }
        // now put the pieces in
        board[0][0] = new ChessPiece(Color.white,Piece.rook);
        board[0][1] = new ChessPiece(Color.white,Piece.knight);
        board[0][2] = new ChessPiece(Color.white,Piece.bishop);
        board[0][3] = new ChessPiece(Color.white,Piece.queen);
        board[0][4] = new ChessPiece(Color.white,Piece.king);
        board[0][5] = new ChessPiece(Color.white,Piece.bishop);
        board[0][6] = new ChessPiece(Color.white,Piece.knight);
        board[0][7] = new ChessPiece(Color.white,Piece.rook);
        // could have placed pawns easily with a loop
        board[1][0] = new ChessPiece(Color.white,Piece.pawn);
        board[1][1] = new ChessPiece(Color.white,Piece.pawn);
        board[1][2] = new ChessPiece(Color.white,Piece.pawn);
        board[1][3] = new ChessPiece(Color.white,Piece.pawn);
        board[1][4] = new ChessPiece(Color.white,Piece.pawn);
        board[1][5] = new ChessPiece(Color.white,Piece.pawn);
        board[1][6] = new ChessPiece(Color.white,Piece.pawn);
        board[1][7] = new ChessPiece(Color.white,Piece.pawn);
        board[7][0] = new ChessPiece(Color.black,Piece.rook);
        board[7][1] = new ChessPiece(Color.black,Piece.knight);
        board[7][2] = new ChessPiece(Color.black,Piece.bishop);
        board[7][3] = new ChessPiece(Color.black,Piece.queen);
        board[7][4] = new ChessPiece(Color.black,Piece.king);
        board[7][5] = new ChessPiece(Color.black,Piece.bishop);
        board[7][6] = new ChessPiece(Color.black,Piece.knight);
        board[7][7] = new ChessPiece(Color.black,Piece.rook);
        board[6][0] = new ChessPiece(Color.black,Piece.pawn);
        board[6][1] = new ChessPiece(Color.black,Piece.pawn);
        board[6][2] = new ChessPiece(Color.black,Piece.pawn);
        board[6][3] = new ChessPiece(Color.black,Piece.pawn);
        board[6][4] = new ChessPiece(Color.black,Piece.pawn);
        board[6][5] = new ChessPiece(Color.black,Piece.pawn);
        board[6][6] = new ChessPiece(Color.black,Piece.pawn);
        board[6][7] = new ChessPiece(Color.black,Piece.pawn);
    }
    
    /** 
     * return the row corresponding to the passed index
     */
    public ChessPiece [] getRow (int rowNum) {
        // really should check that passed index is ok
        return board[rowNum];
        
    }
    
    /** 
     * allow unconstrained move of a piece from one location to another. Doesn't check if the move is legal. Not for public consumption in general, but
     * probably ok for some in same package. Certainly could be used to implement moves for different kinds of pieces - should probably have made protected
     * Should check indices for being in legal range, but don't do right now
     */
    public boolean movePiece(int startRow, int startCol, int endRow, int endCol) {
        // copy piece to new location
        board[endRow][endCol] = board[startRow][startCol];
        // now clear old position
        board[startRow][startCol] = new ChessPiece(); // default peice is empty space
        return true; // for now assume successful
    }
    
    /**
     * Show board - use compressed form so that it looks like a board
     */
    public String toString () {
        String res = "";
        for (ChessPiece[] row : board) {
            for (ChessPiece curr : row) {
                res += curr.toShortString() + " ";
            }
            res += "\n";
        }
        return res;
    }
    
}