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// SPDX-License-Identifier: Apache-2.0
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:yaml/yaml.dart';
import 'vehicle-signals/viss_connection_widget.dart';
class GetConfig extends ConsumerStatefulWidget {
const GetConfig({Key? key, required this.client}) : super(key: key);
final HttpClient client;
@override
ConsumerState<GetConfig> createState() => _GetConfigState();
}
class _GetConfigState extends ConsumerState<GetConfig> {
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
final configStateProvider = ref.read(ConfigStateprovider.notifier);
String configFilePath = '/etc/xdg/AGL/homescreen_config.yaml';
final configFile = File(configFilePath);
configFile.readAsString().then((content) {
final dynamic yamlMap = loadYaml(content);
configStateProvider.update(
read: true,
hostname: yamlMap['hostname'],
port: yamlMap['port'],
kuksaAuthToken: yamlMap['kuskaAuthToken'],
);
}).catchError((content) {
configStateProvider.update(read: true);
});
});
}
@override
Widget build(BuildContext context) {
final config = ref.watch(ConfigStateprovider);
if (!config.read) {
return Container(
child: const Text("Reading configuration file!",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.white)));
} else if (config.hostname == "" ||
config.port == 0 ||
config.kuksaAuthToken == "") {
return Container(
child: const Text("Invalid configuration file!",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.white)));
}
return VISServerConnectionWidget(client: widget.client);
}
}
class Config {
Config({
required this.read,
required this.hostname,
required this.port,
required this.kuksaAuthToken,
});
final bool read;
final String hostname;
final int port;
final String kuksaAuthToken;
Config copywith({
bool? read,
String? hostname,
int? port,
String? kuksaAuthToken,
}) =>
Config(
read: read ?? this.read,
hostname: hostname ?? this.hostname,
port: port ?? this.port,
kuksaAuthToken: kuksaAuthToken ?? this.kuksaAuthToken,
);
}
final ConfigStateprovider = StateNotifierProvider<ConfigStateNotifier, Config>(
(ref) => ConfigStateNotifier());
class ConfigStateNotifier extends StateNotifier<Config> {
ConfigStateNotifier() : super(_initialValue);
static final Config _initialValue = Config(
read: false,
hostname: "",
port: 0,
kuksaAuthToken: "",
);
void update({
bool? read,
String? hostname,
int? port,
String? kuksaAuthToken,
}) {
state = state.copywith(
read: read,
hostname: hostname,
port: port,
kuksaAuthToken: kuksaAuthToken,
);
}
}
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