gistfile1.rb

puts "Welcome to Tic Tac Toe, let's play!"
puts "Player 1, what is your name?"
player1 = gets.chomp
puts "Welcome #{player1}. Player 2, what is your name?"

player2 = gets.chomp
puts "Thanks #{player1} and #{player2}. #{player1}, make your first move by
typing the number that corresponds to the grid below"

[0,3,6].each do |item|
  puts "#{1+item} | #{2+item} | #{3+item}\n"
end



box = {
  '1' => ' ',
  '2' => ' ',
  '3' => ' ',
  '4' => ' ',
  '5' => ' ',
  '6' => ' ',
  '7' => ' ',
  '8' => ' ',
  '9' => ' '
  }
  #keys

  puts ' '

def player2_winner?(box)
  if box['1'] == 'X' and box['2'] == 'X' and box['3'] == 'X'
    return true
  elsif box['4'] == 'X' and box['5'] == 'X' and box['6'] == 'X'
    return true
  elsif box['7'] == 'X' and box['8'] == 'X' and box['9'] == 'X'
    return true
  elsif box['1'] == 'X' and box['4'] == 'X' and box['7'] == 'X'
    return true
  elsif box['2'] == 'X' and box['5'] == 'X' and box['8'] == 'X'
    return true
  elsif box['3'] == 'X' and box['6'] == 'X' and box['9'] == 'X'
    return true
  elsif box['1'] == 'X' and box['5'] == 'X' and box['9'] == 'X'
    return true
  elsif box['3'] == 'X' and box['5'] == 'X' and box['7'] == 'X'
    return true
  end
end



def player1_winner?(xyz)
  if xyz['1'] == '0' and xyz['2'] == '0' and xyz['3'] == '0'
    return true
  elsif xyz['4'] == '0' and xyz['5'] == '0' and xyz['6'] == '0'
    return true
  elsif xyz['7'] == '0' and xyz['8'] == '0' and xyz['9'] == '0'
    return true
  elsif xyz['1'] == '0' and xyz['4'] == '0' and xyz['7'] == '0'
    return true
  elsif xyz['2'] == '0' and xyz['5'] == '0' and xyz['8'] == '0'
    return true
  elsif xyz['3'] == '0' and xyz['6'] == '0' and xyz['9'] == '0'
    return true
  elsif xyz['1'] == '0' and xyz['5'] == '0' and xyz['9'] == '0'
    return true
  elsif xyz['3'] == '0' and xyz['5'] == '0' and xyz['7'] == '0'
    return true
  end
end



[1,2,3,4,5,6,7,8,9].each do |item|


  move = gets.chomp

  if not box[move] == ' '

    puts 'Please try again!'
    redo
  end

  if item.even?

    box[move] = 'X'
  elsif item.odd?
    box[move] = '0'
  end

  if player1_winner?(box) and item > 3

    puts "#{player1} won! Congrats"
    return
  end

  if player2_winner?(box) and item > 3
    puts "#{player2} won! Congrats"
    return
  end

  [0,3,6].each do |item|
    puts "#{box[(1+item).to_s]} | #{box[(2+item).to_s]} | #{box[(3+item).to_s]}\n"
  end
end

puts 'A draw. Oh well.'