# frozen_string_literal: true

class BackfillPushEventPayloadEventIdForBigintConversion < ActiveRecord::Migration[6.0]
  disable_ddl_transaction!

  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  def up
    return unless should_run?

    backfill_conversion_of_integer_to_bigint :push_event_payloads, :event_id, primary_key: :event_id,
                                                                              batch_size: 15000, sub_batch_size: 100
  end

  def down
    return unless should_run?

    Gitlab::Database::BackgroundMigration::BatchedMigration
      .where(job_class_name: 'CopyColumnUsingBackgroundMigrationJob')
      .where(table_name: 'push_event_payloads', column_name: 'event_id')
      .where(job_arguments: Gitlab::Json.dump(%w[event_id event_id_convert_to_bigint]))
      .delete_all
  end

  private

  def should_run?
    Gitlab.dev_or_test_env? || Gitlab.com?
  end
end