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// Copyright (C) 2025, uvok cheetah
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'dart:async';
import 'package:uvok_epaper_badge/control/scanner_controller_impl.dart';
import 'package:uvok_epaper_badge/model/device/flutter_blue_plus_device.dart';
import 'package:uvok_epaper_badge/model/device/device.dart';
import 'package:uvok_epaper_badge/control/scanner_controller.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:logger/logger.dart';
var logger = Logger();
class FlutterBluePlusScannerController extends ScannerControllerImpl {
late final StreamSubscription<BluetoothAdapterState> _availSubs;
FlutterBluePlusScannerController() {
_availSubs = FlutterBluePlus.adapterState.listen(
(d) => super.setAvailability(
d == BluetoothAdapterState.on
? ScanAvailability.available
: ScanAvailability.unavailable,
),
);
}
@override
Future<void> startScan({
Duration timeout = const Duration(seconds: 5),
}) async {
await stopScan();
var system = await FlutterBluePlus.systemDevices([]);
for (var d in system) {
logger.i('${d.platformName} already connected to! ${d.remoteId}');
}
super.setStatus(ScanStatus.scanning);
var subscription = FlutterBluePlus.scanResults.listen(
(results) {
List<Device> devices = results
.map((d) => FlutterBluePlusDevice.fromScan(d))
.toList();
super.setDevices(devices);
},
onError: (err) {
logger.e(err);
super.setStatus(ScanStatus.error);
},
);
// either this, or the cancel in the finally block, should do the same?
FlutterBluePlus.cancelWhenScanComplete(subscription);
// withKeywords: ["NimBLE"], on Android
await FlutterBluePlus.startScan(timeout: Duration(seconds: 5));
await FlutterBluePlus.isScanning.where((val) => val == false).first;
super.setStatus(ScanStatus.finished);
}
@override
Future<void> stopScan() async {
await FlutterBluePlus.stopScan();
}
@override
void dispose() {
stopScan().ignore();
_availSubs.cancel().ignore();
super.dispose();
}
}
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