import 'dart:async';

import 'package:badge/control/scanner_controller.dart';
import 'package:badge/control/scanner_controller_impl.dart';
import 'package:badge/model/device.dart';
import 'package:badge/model/mock_device.dart';

class MockScannerController extends ScannerControllerImpl {
  static final List<MockDevice> fakedDevices = [
    MockDevice(0, "First"),
    MockDevice(1, "Second"),
    MockDevice(2, "Third"),
    MockDevice(3, "Fourth"),
  ];

  @override
  void dispose() {}

  @override
  Stream<List<Device>> get scanResultsStream => _deviceContoller.stream;
  final StreamController<List<Device>> _deviceContoller =
      StreamController<List<Device>>.broadcast();

  bool _isScanning = false;

  @override
  Future<void> startScan({
    Duration timeout = const Duration(seconds: 2),
  }) async {
    if (_isScanning) return;
    _isScanning = true;
    setStatus(ScanStatus.scanning);

    for (int i = 0; i < fakedDevices.length && _isScanning; i++) {
      await Future.delayed(Duration(milliseconds: 300));
      _deviceContoller.add(
        fakedDevices.getRange(0, i + 1).toList(growable: false),
      );
    }

    _isScanning = false;
    setStatus(ScanStatus.finished);
  }

  @override
  Future<void> stopScan() async {
    _isScanning = false;
  }
}