module PortalGun

# File lib/portal_gun/ruby_versions.rb, line 182
def self.correct_date?(supplied_date)
  begin
    if eval(supplied_date).to_date.is_a?(Date)
      true
    else
      false
    end
  rescue
    false
  end
end

# File lib/portal_gun/ruby_versions.rb, line 164
def self.has_p?(input)
  input.include?('p')
end

# File lib/portal_gun/ruby_versions.rb, line 160
def self.latest?(supplied_date, inspected_date)
  inspected_date < supplied_date
end

# File lib/portal_gun/ruby_versions.rb, line 168
def self.minor(input)
  input[0..2]
end

# File lib/portal_gun/ruby_versions.rb, line 172
def self.minor_already_present?(minors, new)
 result = false
 minors.each do |el|
     if el.include?(new)
       result = true
     end
   end
 result
end

# File lib/portal_gun/ruby_versions.rb, line 194
def self.run_versions(supplied_date)
  unless correct_date?(supplied_date)
    puts "\n\n\nINVALID DATE FORMAT. Try '2.days.ago' or '2012-03-12'\n\n\n\n"
    exit
  end
  supplied_date = eval(supplied_date)
  minors = []
  versions = []

  PortalGun::RUBY_VERSIONS.reverse_each do |el|
    if latest?(supplied_date, Date.parse(el[0]))
      unless minor_already_present?(minors, minor(el[1]))
        minors << minor(el[1])
        versions << el[1]
      end
    end
    break if versions.length == 3
  end

  # puts "Here are the minor releases that were the most valid as of #{supplied_date}:"
  # versions.each_with_index do |version, index|
  #   puts "[#{index}]: #{version}"
  # end
  # result = 'invalid'
  # while result == 'invalid'
  #   puts 'Please enter which version you wish to use:'
  #   result = gets.chomp
  #   unless [0,1,2].include?(result.to_i)
  #     result = 'invalid'
  #   end
  # end
  # versions[result.to_i]
  versions
end