# frozen_string_literal: true

module ErpIntegration
  module Resources
    # The `ErpIntegration::Resources::Errors` expose a clean, simple API to manage
    # and display error messages for any `ErpIntegration::Resource` instance.
    class Errors
      include Enumerable

      extend Forwardable
      def_delegators :@errors, :any?, :blank?, :clear, :count, :empty?, :uniq!, :size

      def initialize
        @errors = []
      end

      # Allows adding new error messages to the `ErpIntegration::Resource`.
      # @param message [String] An (internal/external) error message.
      # @return [String] The given error message.
      def add(message)
        raise ErpIntegration::Error, 'Use a simple string as an error message' unless message.is_a?(String)

        @errors << message
        message
      end

      def each(&block)
        @errors.each(&block)
      end
    end
  end
end