import 'dart:typed_data';

import '../../../comms/Comms.dart' show LogLine;
import '../application/ServiceConfig.dart';
import '../application/StepTracker.dart';
import 'BuildService.dart';

/// Local-side file work: building the artifact to ship, reading it into
/// memory, and packing a web build into a single archive. Kept behind an
/// interface so a ViewModel reaches it through the same [DataManager] as
/// everything else.
abstract class ConnectFileStorage {
  /// True on desktop, where local builds can run.
  bool get buildSupported;

  /// Build log lines and step progress, for the console and step list.
  Stream<LogLine> get buildLogs;
  Stream<List<DeployStep>> get buildStepStream;

  /// Compiles [service]'s project and locates the produced jar.
  Future<BuildResult> build(ServiceConfig service);

  /// Compiles [service]'s web project and locates its static output directory.
  Future<BuildResult> buildWeb(ServiceConfig service);

  /// Cancels a build in flight.
  void cancelBuild();

  /// Reads a local artifact into memory, ready to upload.
  Future<Uint8List> readArtifact(String path);

  /// True when [path] exists on this machine.
  Future<bool> artifactExists(String path);

  /// Packs a directory of static files into gzipped tar bytes, returning the
  /// archive and the number of files it contains. Runs off the UI isolate.
  Future<(Uint8List, int)> packageWeb(String directoryPath);
}