aoc-helper/lib/tasks/new_day.rb

require "tty-prompt"
require "tty-file"
require "ostruct"

require_relative("templates")

def new_day(prompt, day)
  input = prompt.multiline("Example input").join("")
  result = prompt.ask("Example result")

  day_name = "day_#{day}"

  TTY::File.create_dir(day_name)
  TTY::File.create_file("#{day_name}/data")
  TTY::File.create_file("#{day_name}/impl.rb", IMPL_RB)
  TTY::File.create_file("#{day_name}/run.rb", RUN_RB)
  TTY::File.create_file("#{day_name}/test.rb", TEST_RB)

  TTY::File.replace_in_file "#{day_name}/run.rb", /%day_name%/, day_name
  TTY::File.replace_in_file "#{day_name}/test.rb", /%day_name%/, day_name
  TTY::File.replace_in_file "#{day_name}/test.rb", /%example_result_1%/, result 
  TTY::File.replace_in_file "#{day_name}/test.rb", /%example_input%/, input 

  puts "Done - run with:"
  puts "ruby #{day_name}/test.rb"
end