lib/model/connection/universal_ble_connection.dart


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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 'package:flutter/foundation.dart';
import 'package:universal_ble/universal_ble.dart';
import 'package:uvok_epaper_badge/model/connection/device_connection.dart';
import 'package:uvok_epaper_badge/model/device/universal_ble_device.dart';

class UniversalBleConnection implements DeviceConnection {
  final UniversalBleDevice _device;
  final ValueNotifier<ConnectionStatus> _status = ValueNotifier(
    ConnectionStatus.disconnected,
  );

  UniversalBleConnection(this._device);

  @override
  Future<void> connect() async {
    await _device.device.connect();

    _status.value = await _device.device.isConnected
        ? ConnectionStatus.connected
        : ConnectionStatus.disconnected;

    if (_status.value == ConnectionStatus.connected) {
      /* Ignore return value for now */
      await _device.device.discoverServices();
    }
  }

  @override
  Future<void> disconnect() async {
    await _device.device.disconnect();
    _status.value = ConnectionStatus.disconnected;
  }

  @override
  ValueNotifier<ConnectionStatus> get status => _status;
}