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import 'package:flutter_ics_homescreen/data/models/users.dart';
import 'package:flutter_ics_homescreen/export.dart';
import 'package:uuid/uuid.dart';
import '../models/user.dart';
import 'package:protos/storage-api.dart' as storage_api;
import 'initialize_settings.dart';
class UsersNotifier extends Notifier<Users> {
@override
Users build() {
// Initialize default state.
state = Users.initial();
loadUsers();
return state;
}
Future <void> loadSettingsUsers() async {
final storageClient = ref.read(storageClientProvider);
try {
// Access users branch.
final searchResponseUsers = await storageClient.search(storage_api.Key(key: UsersPath.InfotainmentUsers));
// Add default users if no users are inside the storage API.
if (searchResponseUsers.result.isEmpty) {
loadUsers();
await storageClient.write(storage_api.KeyValue(key: '${UsersPath.InfotainmentUsers}.${_users[0].id}.id', value: _users[0].id));
await storageClient.write(storage_api.KeyValue(key: '${UsersPath.InfotainmentUsers}.${_users[0].id}.name', value: _users[0].name));
await storageClient.write(storage_api.KeyValue(key: '${UsersPath.InfotainmentUsers}.${_users[1].id}.id', value: _users[1].id));
await storageClient.write(storage_api.KeyValue(key: '${UsersPath.InfotainmentUsers}.${_users[1].id}.name', value: _users[1].name));
await storageClient.write(storage_api.KeyValue(key: '${UsersPath.InfotainmentUsers}.${_users[2].id}.id', value: _users[2].id));
await storageClient.write(storage_api.KeyValue(key: '${UsersPath.InfotainmentUsers}.${_users[2].id}.name', value: _users[2].name));
await selectUser(_users[0].id);
}
else {
List<User> users = [];
List<String> idList = [];
// Get list of all ids.
for (var key in searchResponseUsers.result) {
var readResponse = await storageClient.read(storage_api.Key(key: key));
if (key.contains('.id')) {
idList.insert(0, readResponse.result);
}
}
// Extract names corresponding to ids.
for (var id in idList) {
var readResponse = await storageClient.read(storage_api.Key(key:'${UsersPath.InfotainmentUsers}.$id.name'));
users.insert(0, User(id: id, name: readResponse.result));
}
// Extract id of selected user.
final readResponseSelectedUser = await storageClient.read(storage_api.Key(key: UsersPath.InfotainmentCurrentUser));
User selectedUser;
final userCurrentId = readResponseSelectedUser.result;
// Extract name of selected user.
final readResponseCurrentUserName = await storageClient.read(storage_api.Key(key: '${UsersPath.InfotainmentUsers}.$userCurrentId.name'));
final userCurrentName = readResponseCurrentUserName.result;
selectedUser = User(id: userCurrentId, name: userCurrentName);
state = Users(users: users, selectedUser: selectedUser);
}
} catch (e) {
// Fallback to initial defaults if error.
print('Error loading settings for units: $e');
loadUsers();
state = state.copyWith(selectedUser: _users[0]);
}
}
void loadUsers() {
state = state.copyWith(users: _users);
}
final List<User> _users = [
const User(id: '1', name: 'Heather'),
const User(id: '2', name: 'George'),
const User(id: '3', name: 'Riley'),
];
Future <void> selectUser(String userId) async {
final storageClient = ref.read(storageClientProvider);
var seletedUser = state.users.firstWhere((user) => user.id == userId);
state = state.copyWith(selectedUser: seletedUser);
// Write to storage API.
try {
await storageClient.write(storage_api.KeyValue(
key: UsersPath.InfotainmentCurrentUser,
value: userId,
));
} catch (e) {
print('Error saving user: $e');
}
try {
await initializeSettingsUser(ref);
} catch (e) {
print('Error loading settings of user: $e');
}
}
Future <void> removeUser(String userId) async {
final storageClient = ref.read(storageClientProvider);
var currentUserId = state.selectedUser.id;
state.users.removeWhere((user) => user.id == userId);
if (state.users.isNotEmpty && currentUserId == userId) {
state = state.copyWith(selectedUser: state.users.first);
//Write to API to change selected user.
await storageClient.write(storage_api.KeyValue(key: UsersPath.InfotainmentCurrentUser, value: state.users.first.id));
}
if (state.users.isEmpty) {
state = state.copyWith(selectedUser: const User(id: '0', name: ''));
//Write to API to change selected user.
await storageClient.write(storage_api.KeyValue(key: UsersPath.InfotainmentCurrentUser, value: '0'));
}
// Delete from storage API.
try {
final searchResponse = await storageClient.search(storage_api.Key(key: userId));
final keyList = searchResponse.result;
//Delete id, name entries of the user from the default namespace.
for (final key in keyList) {
await storageClient.delete(storage_api.Key(
key: key
));
}
//Delete all VSS keys from the user namespace.
await storageClient.deleteNodes(storage_api.Key(key: "Vehicle", namespace: userId));
} catch (e) {
print('Error removing user with id $userId: $e');
}
}
Future <void> addUser(String userName) async {
final storageClient = ref.read(storageClientProvider);
final id = const Uuid().v1();
final user = User(id: id, name: userName);
state.users.insert(0, user);
// New user is automaticaly selected.
await selectUser(user.id);
// Write to storage API.
try {
await storageClient.write(storage_api.KeyValue(
key: '${UsersPath.InfotainmentUsers}.$id.name',
value: userName
));
await storageClient.write(storage_api.KeyValue(
key: '${UsersPath.InfotainmentUsers}.$id.id',
value: id
));
} catch (e) {
print('Error adding user with id $id: $e');
}
}
void editUser(User user) {
// final id = const Uuid().v1();
// final user = User(id: id, name: userName);
//_users.add(user);
}
}
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