SPOTS = ([:red]*18)+([:black]*18)+([:green]*2)
TAB_MAX = 500
TAB_MIN = 10

@pot = 0
@bet = TAB_MIN
@turn = 0
@averages = []

def spin
  loop do
    if @bet > TAB_MAX
      @averages.push @turn
      puts "Turn: #{@turn}"
      @pot = 0
      @bet = 0
      @turn = 0
      break
    end
    @turn += 1
    puts "Bet: #{@bet}"
    if SPOTS.rand == :red
      puts "Winner"
      @pot += @bet
      puts "Pot: #{@pot}"
      @bet = 10
    else
      puts "Loser"
      @pot -= @bet
      puts "Pot: #{@pot}"
      @bet = @bet*2
    end
  end
end

def total_average
  @averages.sum/@averages.length
end

def odds
  (10..100).step(3) do |i|
    o = i*max_loss_odds
    break if o > 100
    puts "#{i} - #{o.round(2)}%"
  end
end

def max_loss_odds
  odds = 52.63
  max_losses.times do |i|
    odds = odds*0.5263
  end
  odds
end

def max_losses
  turn = 0
  total_lost = 0
  while total_lost < TAB_MAX
    turn += 1
    total_lost += TAB_MIN*turn
  end
  turn-1
end