module Hobo
  class Env
    HOME =  File.expand_path('~/.hobo')
    CONFIG = { File.join(HOME, 'config.yml') => '/config/default.yml' }
    ENSURE = { 
      :files => CONFIG.merge({}), #additional files go mhia!
      :dirs => [HOME] #additional dirs go mhia!
    }

    def ensure_directories
      ENSURE[:dirs].each do |name|
        Dir.mkdir(name) unless File.exists?(name)
      end
    end

    def ensure_files
      ENSURE[:files].each do |target, default|
        File.copy(PROJECT_ROOT + default, target) unless File.exists?(target)
      end
    end
    
    def load_config
      ensure_directories
      ensure_files
      parsed = yield(CONFIG.keys.first)
      Config.from_hash!(parsed)
    end
  end
end