# frozen_string_literal: true

return unless Rails.env.test?

module RspecProfilingExt
  module Collectors
    class CSVWithTimestamps < ::RspecProfiling::Collectors::CSV
      TIMESTAMP_FIELDS = %w(created_at updated_at).freeze
      HEADERS = (::RspecProfiling::Collectors::CSV::HEADERS + TIMESTAMP_FIELDS).freeze

      def insert(attributes)
        output << HEADERS.map do |field|
          if TIMESTAMP_FIELDS.include?(field)
            Time.now
          else
            attributes.fetch(field.to_sym)
          end
        end
      end

      private

      def output
        @output ||= ::CSV.open(path, "w").tap { |csv| csv << HEADERS }
      end
    end
  end

  module Git
    def branch
      if ENV['CI_COMMIT_REF_NAME']
        "#{defined?(Gitlab::License) ? 'ee' : 'ce'}:#{ENV['CI_COMMIT_REF_NAME']}"
      else
        super&.chomp
      end
    end

    def sha
      super&.chomp
    end
  end

  module Run
    def example_finished(*args)
      super
    rescue StandardError => err
      return if @already_logged_example_finished_error # rubocop:disable Gitlab/ModuleWithInstanceVariables

      warn "rspec_profiling couldn't collect an example: #{err}. Further warnings suppressed."
      @already_logged_example_finished_error = true # rubocop:disable Gitlab/ModuleWithInstanceVariables
    end

    alias_method :example_passed, :example_finished
    alias_method :example_failed, :example_finished
  end
end

RspecProfiling.configure do |config|
  if ENV.key?('CI') || ENV.key?('RSPEC_PROFILING')
    RspecProfiling::VCS::Git.prepend(RspecProfilingExt::Git)
    RspecProfiling::Run.prepend(RspecProfilingExt::Run)
    config.collector = RspecProfilingExt::Collectors::CSVWithTimestamps
    config.csv_path = -> do
      prefix = "#{ENV['CI_JOB_NAME']}-".gsub(%r{[ /]}, '-') if ENV['CI_JOB_NAME']
      "rspec_profiling/#{prefix}#{Time.now.to_i}-#{SecureRandom.hex(8)}-rspec-data.csv"
    end
  end
end
