module Canard
  class Abilities

    @definitions      = {}
    @default_path     = 'app/abilities'

    class << self

      extend Forwardable

      def_delegators :Canard, :ability_key

      attr_accessor :default_path

      attr_writer :definition_paths

      attr_reader :definitions

      def definition_paths
        @definition_paths ||= [@default_path]
      end

      def for(name, &block)
        raise ArgumentError.new('No block of ability definitions given') unless block_given?
        key = ability_key(name)
        @definitions[key] = block
      end

    end

  end

end