import { MongoMigration } from '../mongo_migrator.js'

export default class CreateConfigurationVersionsCollection extends MongoMigration {
  async up(): Promise<void> {
    const collection = this.db.collection('configuration_versions')
    await collection.createIndex(
      { configurationIdentifier: 1, versionNumber: -1 },
      { name: 'idx_configuration_identifier_version_number' }
    )
    await collection.createIndex(
      { configurationIdentifier: 1 },
      { name: 'idx_configuration_identifier' }
    )
  }

  async down(): Promise<void> {
    await this.db.dropCollection('configuration_versions').catch(() => {})
  }
}