import 'package:dartz/dartz.dart';
import '../entities/server.dart';
import '../../core/errors/failures.dart';
import '../../data/services/sync_service.dart';

abstract class ServerRepository {
  // Local-first operations (read from local storage)
  Future<Either<Failure, List<Server>>> getAllServers();
  Future<Either<Failure, List<Server>>> getGCoreServers();
  Future<Either<Failure, List<Server>>> getGeViScopeServers();
  Future<Either<Failure, Server>> getServerById(String id, ServerType type);

  // Local-first CRUD (writes to local storage, marks as dirty)
  Future<Either<Failure, void>> createServer(Server server);
  Future<Either<Failure, void>> updateServer(Server server);
  Future<Either<Failure, void>> deleteServer(String id, ServerType type);

  // Sync operations
  Future<Either<Failure, SyncResult>> syncToServer();
  Future<Either<Failure, int>> downloadFromServer();
  Future<Either<Failure, int>> getDirtyCount();
}