main.rb

type = year = day = part = nil

type = "2" if ARGV.include?("--latest") || ARGV.include?("-l")

until %w[1 2].include?(type)
    print "\e[0m1. Run specific program\n2. Run latest program\nEnter 1/2: \e[36;3m"
    type = gets.chomp
end

case type
when "1"
  until Dir["*/"].include?("#{year}/")
    print "\e[0mEnter year: \e[36;3m"
    year = gets.chomp
    year = "20" + year if year.length == 2
  end

  until Dir["#{year}/*"].include?("#{year}/day#{day}")
    print "\e[0mEnter day: \e[36;3m"
    day = "%02d" % gets.chomp
  end

  until %w[1 2].include?(part)
    print "\e[0mEnter part: \e[36;3m"
    part = gets.chomp
  end
when "2"
  year = Dir["*/"].reduce(0) { |max, c| [c.to_i, max].max }
  day  = "%02d" % Dir["#{year}/*"].reduce(0) { |max, c| [c.split("/")[1][-2..-1].to_i, max].max }
  part = File.exists?("#{year}/day#{day}/part2.rb") ? 2 : 1
end


Dir.chdir("#{year}/day#{day}")

# new system after 2023 day 17
if (year.to_i == 2023 && day.to_i > 17) || year.to_i >= 2024
  print "\e[38;2;255;194;20m" # colour debugging logs in orange

  lines = File.foreach("input.txt").map {|l| l.gsub(/[\n\r]+/, "") }
  require_relative "#{year}/day#{day}/part#{part}.rb"

  start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  s = solve(lines)
  end_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)

  puts "\e[0;32;1m#{s}"
else
  print "\e[0;32;1m"

  start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  require_relative "#{year}/day#{day}/part#{part}.rb"
  end_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)
end

puts "\e[0mApproximate Runtime: \e[33;1m#{((end_time - start_time) * 1000).round(2)}\e[0;33mms\e[0m"