import { BaseMigration } from './base-migration.ts';
import type { TQueryFunction } from '../types.ts';

export class Migration009BackupSystem extends BaseMigration {
  readonly version = 9;
  readonly description = 'Backup system tables';

  up(query: TQueryFunction): void {
    query(`ALTER TABLE services ADD COLUMN include_image_in_backup INTEGER DEFAULT 1`);

    query(`
      CREATE TABLE backups (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        service_id INTEGER NOT NULL,
        service_name TEXT NOT NULL,
        filename TEXT NOT NULL,
        size_bytes INTEGER NOT NULL,
        created_at REAL NOT NULL,
        includes_image INTEGER NOT NULL,
        platform_resources TEXT NOT NULL DEFAULT '[]',
        checksum TEXT NOT NULL,
        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
      )
    `);

    query('CREATE INDEX IF NOT EXISTS idx_backups_service ON backups(service_id)');
    query('CREATE INDEX IF NOT EXISTS idx_backups_created ON backups(created_at DESC)');
  }
}