# frozen_string_literal: true

module Gitlab
  module Tracking
    class << self
      def enabled?
        tracker.enabled?
      end

      def event(category, action, label: nil, property: nil, value: nil, context: [], project: nil, user: nil, namespace: nil, **extra) # rubocop:disable Metrics/ParameterLists
        action = action.to_s
        contexts = [
          Tracking::StandardContext.new(
            project: project,
            user: user,
            namespace: namespace,
            **extra).to_context, *context
        ]

        track_struct_event(tracker, category, action, label: label, property: property, value: value, contexts: contexts)
      end

      def database_event(category, action, label: nil, property: nil, value: nil, context: [], project: nil, user: nil, namespace: nil, **extra) # rubocop:disable Metrics/ParameterLists
        action = action.to_s
        destination = Gitlab::Tracking::Destinations::DatabaseEventsSnowplow.new
        contexts = [
          Tracking::StandardContext.new(
            project: project,
            user: user,
            namespace: namespace,
            **extra).to_context, *context
        ]

        track_struct_event(destination, category, action, label: label, property: property, value: value, contexts: contexts)
      end

      def definition(basename, category: nil, action: nil, label: nil, property: nil, value: nil, context: [], project: nil, user: nil, namespace: nil, **extra) # rubocop:disable Metrics/ParameterLists
        definition = YAML.load_file(Rails.root.join("config/events/#{basename}.yml"))

        dispatch_from_definition(definition, label: label, property: property, value: value, context: context, project: project, user: user, namespace: namespace, **extra)
      end

      def dispatch_from_definition(definition, **event_data)
        definition = definition.with_indifferent_access

        category ||= definition[:category]
        action ||= definition[:action]

        event(category, action, **event_data)
      end

      def options(group)
        tracker.options(group)
      end

      def collector_hostname
        tracker.hostname
      end

      def snowplow_micro_enabled?
        Rails.env.development? && Gitlab.config.snowplow_micro.enabled
      rescue Settingslogic::MissingSetting
        false
      end

      private

      def track_struct_event(destination, category, action, label:, property:, value:, contexts:) # rubocop:disable Metrics/ParameterLists
        destination
          .event(category, action, label: label, property: property, value: value, context: contexts)
      rescue StandardError => error
        Gitlab::ErrorTracking.track_and_raise_for_dev_exception(error, snowplow_category: category, snowplow_action: action)
      end

      def tracker
        @tracker ||= if snowplow_micro_enabled?
                       Gitlab::Tracking::Destinations::SnowplowMicro.new
                     else
                       Gitlab::Tracking::Destinations::Snowplow.new
                     end
      end
    end
  end
end

Gitlab::Tracking.prepend_mod_with('Gitlab::Tracking')