buddies.rb

# Usage: run `ruby buddies.rb`

begin
  require "round_robin_tournament"
rescue LoadError
  puts "Could not find gem 'round_robin_tournament'"
  puts "Install it with:"
  puts
  puts "    gem install round_robin_tournament"
  exit 1
end

puts "Which module?"
puts "1: Tooling"
puts "2: React-Basics"
puts "3: React-Advanced"
puts "4: Redux-Basics"
puts "5: Redux-Advanced"
puts "6: React-Plugins"
puts "7: React-Testing"
puts "8: React-in-Rails"
print "> "
number = gets.chomp.to_i

students = %w(regiomag charlesbenard finnpedersenkazes ManyBaby Willgg davidgeismar juliends antoineayoub Atheane kara22 brunolajoie jeremy-israel Guillaumejfrt Bsolene)
max_length = students.map(&:length).max
teams = RoundRobinTournament.schedule(students)

day_teams = teams[number - 1]
day_teams.each do |day_team|
  puts "#{day_team.first.rjust(max_length)} <=> #{day_team.last.ljust(max_length)}"
end