# frozen_string_literal: true

class SlackService < ChatNotificationService
  include SlackMattermost::Notifier
  extend ::Gitlab::Utils::Override

  SUPPORTED_EVENTS_FOR_USAGE_LOG = %w[
    push issue confidential_issue merge_request note confidential_note
    tag_push wiki_page deployment
  ].freeze

  prop_accessor EVENT_CHANNEL['alert']

  def title
    'Slack notifications'
  end

  def description
    'Send notifications about project events to Slack.'
  end

  def self.to_param
    'slack'
  end

  def default_channel_placeholder
    _('general, development')
  end

  def webhook_placeholder
    'https://hooks.slack.com/services/…'
  end

  def supported_events
    additional = []
    additional << 'alert'

    super + additional
  end

  def get_message(object_kind, data)
    return ChatMessage::AlertMessage.new(data) if object_kind == 'alert'

    super
  end

  override :log_usage
  def log_usage(event, user_id)
    return unless user_id

    return unless SUPPORTED_EVENTS_FOR_USAGE_LOG.include?(event)

    key = "i_ecosystem_slack_service_#{event}_notification"

    Gitlab::UsageDataCounters::HLLRedisCounter.track_event(key, values: user_id)
  end
end