require 'json'

class Conoha
  class Config
    attr_reader :username, :password, :tenant_id, :public_key, :authtoken

    class Error < StandardError
    end

    def load_from_yaml!(yaml_str)
      loaded = YAML.load yaml_str
      raise Error.new unless loaded.is_a? Hash
    end

    def load_from_json!(json_str)
      parsed = JSON.parse json_str
      raise Error.new unless parsed.is_a? Hash
      @username = parsed["username"]
      @password = parsed["password"]
      @tenant_id = parsed["tenant_id"]
      @public_key = parsed["public_key"]
      @authtoken = parsed["authtoken"]
    end

    def authtoken=(authtoken)
      @authtoken = authtoken
    end
  end
end