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

export default class DropLegacyCollections extends MongoMigration {
  async up(): Promise<void> {
    // Drop legacy Discovery collection
    await this.db.dropCollection('discovery_configs').catch(() => {})

    // Drop legacy Provisioning collection
    await this.db.dropCollection('provisioning_configs').catch(() => {})
  }

  async down(): Promise<void> {
    // Recreate legacy collections (empty — data must be restored from migration rollback)
    const discoveryCollection = this.db.collection('discovery_configs')
    await discoveryCollection.createIndex({ identifier: 1 }, { unique: true, name: 'idx_identifier' })

    const provisioningCollection = this.db.collection('provisioning_configs')
    await provisioningCollection.createIndex({ identifier: 1 }, { unique: true, name: 'idx_identifier' })
  }
}