tic_tac_toe.rb

require 'terminal-table'

def play(board_size:)
	@board = Array.new(board_size.to_i) { Array.new(board_size.to_i) }
	while true
		break if [:p1, :p2️].any? { |s| turn(s) }
	end
	puts [email protected]? ? "#{@winner} 💫" : "draw 😒"
end

def turn(symbol)
	puts symbol
	puts Terminal::Table.new(rows: @board)
	input = STDIN.gets.chomp
	x , y = input.split(",").map(&:to_i)
	while /\d,\d/.match(input).nil? && !@board[x][y].nil?
		puts '❌'
		input = STDIN.gets.chomp
	end
	@board[x][y] = symbol
	return true if (row_win? || column_win? || diagonal_win? || @board.all? { |row| !row.include?(nil) } )
end

def row_win?
	@board.each { |row| return @winner = row[0] if row.uniq.length == 1 && !row[0].nil? }
	false
end

def column_win?
	([email protected] - 1).each { |index| return @winner = @board[0][index] if @board.map { |r| r[index] }.uniq.length == 1 && !@board[0][index].nil? }
	false
end

def diagonal_win?
	return @winner = @board[0][0] if ([email protected] - 1).map { |index| @board[index][index] }.uniq.length == 1 && !@board[0][0].nil?
	return @winner = @board[-1][-1] if ([email protected] - 1).map { |index| @board[@board.length - 1][@board.length - 1 - index] }.uniq.length == 1 && !@board[-1][-1].nil?
	false
end

play(board_size: ARGV[0])