#!/usr/bin/ruby

TEAM_1_MAN = ' w '
TEAM_1_KING = ' W '
TEAM_2_MAN = ' b '
TEAM_2_KING = ' B '
BOARD_EMPTY = ' _ '
BOARD_SIZE = 8

class Board
	def initialize()
		@board = Array.new(BOARD_SIZE) {|i| Array.new(BOARD_SIZE, BOARD_EMPTY)}
		0.step(BOARD_SIZE) {|i|
		       	peice = (i < 3 ? TEAM_1_MAN : TEAM_2_MAN)	
			if [0,2,5,7].include? i
				start = 1
			elsif [1,6].include? i
				start = 0
			else
				next
			end
			start.step(BOARD_SIZE,2) {|j|
				@board[i][j] = peice
			}
		}
	end

	def to_s()
		str = '  '
		0.step(BOARD_SIZE) {|i|
			str += ' ' + i.to_s + ' '
		}
		str += "\n"
		i = 0;
		@board.each {|row|
			str += ('A'.ord + i).chr + ' '
			i += 1
			row.each {|cell| 
				str += cell
			} 
			str += "\n"
		}
		return str
	end

end

b = Board.new()
puts b.to_s