import 'package:flutter/foundation.dart';
import 'package:worldhopper/models/server.dart';
import 'package:worldhopper/services/server_software/kavita_server_software.dart';
import 'package:worldhopper/services/server_software/opds_server_software.dart';
import 'package:worldhopper/services/server_software/server_software.dart';
import 'package:worldhopper/services/server_software/server_software_type.dart';

/// Registry / dispatcher for server-software-specific operations.
class ServerSoftwareService {
  final OPDSServerSoftware _opds = OPDSServerSoftware();
  final KavitaServerSoftware _kavita = KavitaServerSoftware();

  /// Detect the server software type from the server URL.
  /// Note: Kavita detection returns false (base URLs are not distinguishable).
  /// Users should select Kavita from the dropdown.
  ServerSoftwareType detect(Server server) {
    if (_kavita.detectFromUrl(server)) return ServerSoftwareType.kavita;
    return ServerSoftwareType.generic;
  }

  /// Get the [ServerSoftware] implementation for a given server.
  ServerSoftware getImplementation(Server server) {
    final type = server.softwareType ?? ServerSoftwareType.generic;
    debugPrint('ServerSoftwareService: dispatching to $type for ${server.id}');
    return switch (type) {
      ServerSoftwareType.kavita => _kavita,
      ServerSoftwareType.generic => _opds,
    };
  }

  /// Clear any cached tokens/state for the given server.
  void clearCachedState(String serverId) {
    _kavita.clearCachedState(serverId);
    _opds.clearCachedState(serverId);
  }
}