# Copyright (c) 2022 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true

require 'contrast/agent/reporting/settings/helpers'
require 'contrast/agent/reporting/settings/keyword'

module Contrast
  module Agent
    module Reporting
      module Settings
        # The keywords and patterns required for the input analysis of each rule with that capability.
        class RuleDefinition
          ATTRIBUTES = %i[name keywords patterns].cs__freeze

          # For the ServerSettings this name is not used instead it is used as key to the keywords and patterns
          # arrays. It is used in the agent startup message.
          #
          # @return name [String] Name of the rule
          attr_accessor :name

          # The words to search for in input that indicate an attack
          #
          # @return [array<Contrast::Agent::Reporting::Settings::Keyword>]
          def keywords
            @_keywords ||= []
          end

          # A word or pattern whose presence in an input represents an attack
          #
          # @return [array<Contrast::Agent::Reporting::Settings::Pattern>]
          def patterns
            @_patterns ||= []
          end

          # Set keywords.
          #
          # @param keywords_array [Array]
          # @return [array<Contrast::Agent::Reporting::Settings::Keyword>]
          def keywords= keywords_array
            Contrast::Agent::Reporting::Settings::Helpers.array_to_iv(Contrast::Agent::Reporting::Settings::Keyword,
                                                                      keywords,
                                                                      keywords_array)
          end

          # Set patterns.
          #
          # @param patterns_array [Array]
          # @return [array<Contrast::Agent::Reporting::Settings::Pattern>]
          def patterns= patterns_array
            Contrast::Agent::Reporting::Settings::Helpers.array_to_iv(Contrast::Agent::Reporting::Settings::Pattern,
                                                                      patterns,
                                                                      patterns_array)
          end

          def to_controlled_hash
            {
                name: name, # rubocop:disable Security/Module/Name
                keywords: keywords.map(&:to_controlled_hash),
                patterns: patterns.map(&:to_controlled_hash)
            }
          end
        end
      end
    end
  end
end