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

require 'contrast/components/logger'
require 'contrast/agent/reporting/reporting_events/application_defend_attack_sample'

module Contrast
  module Agent
    module Reporting
      # This is the new AttackerSampleActivity class which will include Sample of the given attacks in the activity
      # period.
      class ApplicationDefendAttackSampleActivity
        # @return [Array<Contrast::Agent::Reporting::ApplicationDefendAttackSample>]
        attr_reader :samples
        # @return [Hash<Integer,Integer>] map of time from start in seconds to number of attacks in that second
        attr_reader :time_map

        class << self
          # @param attack_result [Contrast::Api::Dtm::AttackResult]
          def convert attack_result
            activity = new
            activity.attach_data(attack_result)
            activity
          end
        end

        def initialize
          @samples = []
          @start_time = (Contrast::Agent::REQUEST_TRACKER.current&.timer&.start_ms || 0) / 1000
          @event_type = :application_defend_attack_sample_activity
          @time_map = Hash.new { |h, k| h[k] = 0 }
          super
        end

        def to_controlled_hash
          {
              attackTimeMap: time_map,
              samples: samples.map(&:to_controlled_hash),
              startTime: @start_time,
              total: 1 # there will only ever be 1 attack sample, until batching is done
          }
        end

        # @param attack_result [Contrast::Api::Dtm::AttackResult]
        def attach_data attack_result
          attack_result.samples.each do |attack_sample|
            converted = Contrast::Agent::Reporting::ApplicationDefendAttackSample.convert(attack_result, attack_sample)
            samples << converted
            attack_second = converted.time_stamp[:elapsed] / 1000
            time_map[attack_second] += 1
          end
        end
      end
    end
  end
end