module Styleus
  # Provides a basic model, with attribute and
  # naming capabilities.
  # TODO: replace with ActiveModel::Model or something like that
  class Base
    extend ActiveModel::Naming
    include ActiveModel::AttributeMethods
    include ActiveModel::Serialization

    def initialize(attributes)
      @attributes = attributes
    end

    def id
      nil
    end

    # as implemented as in ActiveRecord
    def to_key
      key = self.id
      [key] if key
    end

    private

    def attribute(attr)
      @attributes[attr.to_sym]
    end

    class << self
      def with_attributes(*attribute_names)
        define_attribute_methods attribute_names.map(&:to_s)
      end
    end
  end
end