namespace :apikey do
  desc <<-DESC
    Reset your API key and generate a new one. The new key will be sent to you
    by e-mail.
  DESC
  task :reset do
    APIKey.put
    
    puts_title "API key reset"
    puts_long <<-MSG
      Your API key has been reset. You will receive an e-mail with your new
      API key shortly. After that, you will need to reconfigure this utility
      to use the new key, by running #{qcommand "apikey:switch"}.
    MSG
  end
  
  desc <<-DESC
    Change the current API key. You should use this task after #{qcommand "apikey:reset"}
    to use a newly generated API key.
  DESC
  task :switch do
    puts_title "API key"
    puts_long <<-MSG
      In order to use this utility, you must provide your API key that must
      have been sent to you in an e-mail after creating your account. Please
      paste it at the prompt below and press <enter>.
    MSG
    prompt_and_store_key
  end
  
  def prompt_and_store_key
    loop do
      puts
      print "API key: "
      entered = $stdin.gets.strip
      begin
        APIKey.site = APIAccess.site_with_api_key(entered)
        begin
          APIKey.get
        ensure
          APIKey.site = nil
        end
      rescue WebService::UnauthorizedAccess
        puts
        puts_long <<-MSG
          The key you entered apears to be invalid. Please double check it
          and retry, or let us help you: #{SUPPORT_EMAIL_ADDR}.
        MSG
      else
        Parameters.store(:api_key, entered)
        puts
        puts "* Key valid and saved."
        break
      end
    end
  end
end