# frozen_string_literal: true

module Gitlab
  module Ci
    module Pipeline
      class Metrics
        include Gitlab::Utils::StrongMemoize

        def pipeline_creation_duration_histogram
          strong_memoize(:pipeline_creation_duration_histogram) do
            name = :gitlab_ci_pipeline_creation_duration_seconds
            comment = 'Pipeline creation duration'
            labels = {}
            buckets = [0.01, 0.05, 0.1, 0.5, 1.0, 2.0, 5.0, 20.0, 50.0, 240.0]

            ::Gitlab::Metrics.histogram(name, comment, labels, buckets)
          end
        end

        def pipeline_size_histogram
          strong_memoize(:pipeline_size_histogram) do
            name = :gitlab_ci_pipeline_size_builds
            comment = 'Pipeline size'
            labels = { source: nil }
            buckets = [0, 1, 5, 10, 20, 50, 100, 200, 500, 1000]

            ::Gitlab::Metrics.histogram(name, comment, labels, buckets)
          end
        end

        def pipeline_processing_events_counter
          strong_memoize(:pipeline_processing_events_counter) do
            name = :gitlab_ci_pipeline_processing_events_total
            comment = 'Total amount of pipeline processing events'

            Gitlab::Metrics.counter(name, comment)
          end
        end

        def pipelines_created_counter
          strong_memoize(:pipelines_created_count) do
            name = :pipelines_created_total
            comment = 'Counter of pipelines created'

            Gitlab::Metrics.counter(name, comment)
          end
        end

        def legacy_update_jobs_counter
          strong_memoize(:legacy_update_jobs_counter) do
            name = :ci_legacy_update_jobs_as_retried_total
            comment = 'Counter of occurrences when jobs were not being set as retried before update_retried'

            Gitlab::Metrics.counter(name, comment)
          end
        end
      end
    end
  end
end