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

export class Migration010BackupSchedules extends BaseMigration {
  readonly version = 10;
  readonly description = 'Backup schedules table';

  up(query: TQueryFunction): void {
    query(`
      CREATE TABLE backup_schedules (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        service_id INTEGER NOT NULL,
        service_name TEXT NOT NULL,
        cron_expression TEXT NOT NULL,
        retention_tier TEXT NOT NULL,
        enabled INTEGER NOT NULL DEFAULT 1,
        last_run_at REAL,
        next_run_at REAL,
        last_status TEXT,
        last_error TEXT,
        created_at REAL NOT NULL,
        updated_at REAL NOT NULL,
        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
      )
    `);

    query(
      'CREATE INDEX IF NOT EXISTS idx_backup_schedules_service ON backup_schedules(service_id)',
    );
    query(
      'CREATE INDEX IF NOT EXISTS idx_backup_schedules_enabled ON backup_schedules(enabled)',
    );

    query('ALTER TABLE backups ADD COLUMN retention_tier TEXT');
    query(
      'ALTER TABLE backups ADD COLUMN schedule_id INTEGER REFERENCES backup_schedules(id) ON DELETE SET NULL',
    );
  }
}