require 'time'

class Common

  def time_check(start_time: Time)
    end_time = Time.now
    elapsed_time = end_time - start_time - 1
    return elapsed_time
  end

  def init_mk_files(gem_dir: String, local_dir: String)
    gem_contents_dir = "#{gem_dir}/contents"
    if Dir.exist?(local_dir) != true then
      FileUtils.mkdir_p("#{local_dir}/workshop")
      system("cp -R #{gem_contents_dir}/workshop/* #{local_dir}/workshop")
      FileUtils.mkdir_p("#{local_dir}/restore")
      system("cp -R #{gem_contents_dir}/restore/* #{local_dir}/restore")
      FileUtils.mkdir_p("#{local_dir}/.datas")
      system("cp -R #{gem_contents_dir}/datas/* #{local_dir}/.datas")
      system("cd #{local_dir}/.datas && mv emacs.d .emacs.d")
      system("cd #{local_dir}/workshop && mv rspec .rspec")
      system("cd #{local_dir}/workshop && mv rubocop.yml .rubocop.yml")
      system("cd #{local_dir}/restore && mv empty.rb .empty.rb")
    end
  end

  def change_theme(color: String, datas_dir: String)
    chmoded = 0
    file_path = "#{datas_dir}/theme_color.txt"
    begin
      File.write(file_path, "#{color}")
      puts "your ruby_learner's color is #{color}!!"
    rescue => error
      system "sudo chmod go+w #{file_path}"
      chmoded += 1
      retry if chmoded < 2
      puts "FileWrite error #{error.message}"
      puts "you should input $sudo chmod go+w #{file_path}"
    end
  end
end