require 'singleton'

module Ki
  # named conf because ruby has Config class :(
  # in version 2 Config class will be deprecated and
  # replace with RbConfig
  # When you update to ruby2, think about changing the name
  class Conf
    include Singleton

    attr_accessor :yaml

    def initialize
      super

      config_path = File.join(Dir.pwd, 'config.yml')
      if File.exists? config_path
        @yaml = YAML.load_file(config_path)
      else
        @yaml = YAML.load({
          'database_host' => '127.0.0.1',
          'database_port' => 27017,
          'database_name' => 'ki_default_db'
        }.to_yaml)
      end
    end
  end
end