#---
# Excerpted from "Programming Ruby 3.2",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose.
# Visit https://pragprog.com/titles/ruby5 for more book information.
#---
class Team
  include Comparable
  attr_accessor :wins, :losses, :name

  def initialize(name, wins, losses)
    @name = name
    @wins = wins
    @losses = losses
  end

  def percentage = (wins * 1.0) / (wins + losses)

  def <=>(other)
    raise ArgumentError unless other.is_a?(Team)
    percentage <=> other.percentage
  end

  def to_s = name
end

brewers = Team.new("Brewers", 73, 89)
cardinals = Team.new("Cardinals", 86, 76)
cubs = Team.new("Cubs", 103, 58)
pirates = Team.new("Pirates", 78, 83)
reds = Team.new("Reds", 68, 94)

puts cubs > cardinals
puts "\n"
puts cardinals.between?(cubs, reds)
puts "\n"
puts [brewers, cardinals, cubs, pirates, reds].sort