// ignore_for_file: non_constant_identifier_names

import 'package:freezed_annotation/freezed_annotation.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:logging/logging.dart';
import 'package:moneymgr_mobile/services/storage/prefs.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';

import 'api_client.dart';

part 'server_api.freezed.dart';
part 'server_api.g.dart';

@freezed
abstract class ServerConstraint with _$ServerConstraint {
  const factory ServerConstraint({required int min, required int max}) =
      _ServerConstraint;

  factory ServerConstraint.fromJson(Map<String, dynamic> json) =>
      _$ServerConstraintFromJson(json);
}

@freezed
abstract class ServerConstraints with _$ServerConstraints {
  const factory ServerConstraints({required ServerConstraint inbox_entry_label}) =
  _ServerConstraints;

  factory ServerConstraints.fromJson(Map<String, dynamic> json) =>
      _$ServerConstraintsFromJson(json);
}

@freezed
abstract class ServerConfig with _$ServerConfig {
  const factory ServerConfig({required ServerConstraints constraints}) =
      _ServerConfig;

  factory ServerConfig.fromJson(Map<String, dynamic> json) =>
      _$ServerConfigFromJson(json);
}

/// Auth API
extension ServerApi on ApiClient {
  /// Get authentication information from server
  Future<ServerConfig> serverConfig() async {
    final response = await execute("/server/config", method: "GET");
    return ServerConfig.fromJson(response.data);
  }


}

/// Get authentication information from server, or retrieve cached information (if available, in
/// case of failure)
@riverpod
Future<ServerConfig> serverConfigOrCache(Ref ref) async {
  final client = ref.watch(apiServiceProvider)!;
  try {
    final config = await client.serverConfig();
    client.prefs.setServerConfig(config);
    return config;
  } catch (e, s) {
    Logger.root.warning("Failed to fetch server configuration! $e $s");
  }

  final cached = client.prefs.serverConfig();
  if (cached == null) {
    throw Exception(
      "Could not fetch server configuration, cached version is unavailable!",
    );
  }
  return cached;
}