module VagrantPlugins
  module Qubes
    class Plugin < Vagrant.plugin('2')
      name 'vagrant-qubes'
      description 'Vagrant Qubes provider plugin'
      config(:vagrant_qubes, :provider) do
        require_relative 'config'
        Config
      end

      provider(
        :vagrant_qubes,
        box_format: %w(qubes),
        parallel: true
      ) do
        setup_logging
        setup_i18n
      
      require_relative 'provider'
        Provider
      end

      # This initializes the internationalization strings.
      def self.setup_i18n
        require 'pathname'
        I18n.load_path << File.expand_path('locales/en.yml', Qubes.source_root)
        I18n.reload!
      end

      # This sets up our log level to be whatever VAGRANT_LOG is.
      def self.setup_logging
        require 'log4r'
        level = nil
        begin
          level = Log4r.const_get(ENV['VAGRANT_LOG'].upcase)
        rescue NameError
          # This means that the logging constant wasn't found,
          # which is fine. We just keep `level` as `nil`. But
          # we tell the user.
          level = nil
        end

        # Some constants, such as "true" resolve to booleans, so the
        # above error checking doesn't catch it. This will check to make
        # sure that the log level is an integer, as Log4r requires.
        level = nil unless level.is_a?(Integer)

        # Set the logging level on all "vagrant" namespaced
        # logs as long as we have a valid level.
        if level
          logger = Log4r::Logger.new('vagrant_qubes')
          logger.outputters = Log4r::Outputter.stderr
          logger.level = level
          logger = nil
        end
      end
    end
  end
end