require 'yaml'
class PawClient::Configuration

  attr_accessor :base_url
  attr_accessor :uuid
  attr_accessor :token
  attr_accessor :user_token
  attr_accessor :test_mode
  attr_accessor :logger

  def logger=(value)
    @logger=case value
              when String
                case value.downcase
                  when 'stdout'
                    Logger.new(STDOUT)
                  when 'stderr'
                    Logger.new(STDERR)
                  else
                    nil
                end
              else
                value
            end
  end

  def initialize(attrs={})
    self.base_url                 = attrs.fetch(:base_url, nil)
    self.uuid                     = attrs.fetch(:uuid, nil)
    self.token                 = attrs.fetch(:token, nil)
    self.user_token                 = attrs.fetch(:user_token, nil)
    self.logger                   = attrs.fetch(:logger, nil)
    self.test_mode                = attrs.fetch(:test_mode, false)
  end

  def self.from_yaml(path, env=nil)
    attrs = YAML.load_file(path)
    attrs = attrs[env] if env
    sym_attrs=attrs.each_with_object({}) {|(k, v), memo| memo[k.to_sym] = v}
    self.new(sym_attrs)
  end

end