bb.ex

defmodule Baseball do
  def simulate(innings) do
    IO.puts "Simulating game with #{innings} innings"
    simulate_inning(1, innings, 0, 0)
  end

  def simulate_inning(current_inning, total_innings, away_score, home_score) when current_inning > total_innings do
    IO.puts "Game done. Mets win"
    IO.puts "Away: #{away_score}"
    IO.puts "Home: #{home_score}"
  end

  def simulate_inning(current_inning, total_innings, away_score, home_score) do
    IO.puts "Simulating inning #{current_inning}"

    away_score = away_score + random_runs
    :timer.sleep(random_inning_delay)

    home_score = home_score + random_runs
    :timer.sleep(random_inning_delay)

    IO.puts "Away: #{away_score}"
    IO.puts "Home: #{home_score}"
    IO.puts "Inning over."
    simulate_inning(current_inning + 1, total_innings, away_score, home_score)
  end

  def random_runs do
    :random.seed(:erlang.now())
    rem(:random.uniform(1000000), 2)
  end

  def random_inning_delay do
    :random.seed(:erlang.now())
    :random.uniform(1000)
  end
end