import '../../domain/models/sensor.dart';
import '../sources/localiser/realtime_data_client.dart';
import '../sources/localiser/sensor_client.dart';
import 'sensor_repository.dart';

class PhoenixSensorRepository implements SensorRepository {
  const PhoenixSensorRepository({
    required this.client,
    required this.realtime,
  });

  final SensorClient client;
  final RealtimeDataClient realtime;

  @override
  Future<Sensor> createSensor(String sensorId, {String? name}) async =>
      Sensor.fromJson(await client.createSensor(sensorId, name: name));

  @override
  Future<List<Sensor>> getSensors() async {
    final list = await client.getSensors();
    return list.map((j) => Sensor.fromJson(j as Map<String, dynamic>)).toList();
  }

  @override
  Future<List<Sensor>> getUnplacedSensors() async {
    final list = await client.getUnplacedSensors();
    return list.map((j) => Sensor.fromJson(j as Map<String, dynamic>)).toList();
  }

  @override
  Future<Sensor> getSensor(int id) async =>
      Sensor.fromJson(await client.getSensor(id));

  @override
  Future<Sensor> updateSensor(int id, {String? name}) async {
    final params = <String, dynamic>{};
    if (name != null) params['name'] = name;
    return Sensor.fromJson(await client.updateSensor(id, params));
  }

  @override
  Future<void> deleteSensor(int id) => client.deleteSensor(id);

  @override
  Future<Sensor> placeSensor(int id,
          {required int roomId, required double x, required double y}) async =>
      Sensor.fromJson(
          await client.placeSensor(id, {'room_id': roomId, 'x': x, 'y': y}));

  @override
  Future<Sensor> unplaceSensor(int id) async =>
      Sensor.fromJson(await client.unplaceSensor(id));

  @override
  Future<String?> getVersion(int id) => client.getVersion(id);

  @override
  Stream<Map<String, dynamic>> sensorEvents() => realtime
      .channelMessages('sensors')
      .map((m) => {'event': m.event, ...m.payload});

  @override
  Future<int> beginCalibration(int id) async {
    final json = await client.beginCalibration(id);
    return json['samples_needed'] as int;
  }

  @override
  Future<void> startStage(int id, double distance) =>
      client.startStage(id, distance);

  @override
  Future<({double rssiRef, double pathLossExp})> finishCalibration(
      int id) async {
    final json = await client.finishCalibration(id);
    return (
      rssiRef: (json['rssi_ref'] as num).toDouble(),
      pathLossExp: (json['path_loss_exp'] as num).toDouble(),
    );
  }

  @override
  Future<void> cancelCalibration(int id) => client.cancelCalibration(id);

  @override
  Stream<({String event, Map<String, dynamic> payload})> calibrationEvents(
          String sensorDeviceId) =>
      realtime.channelMessages('calibration:$sensorDeviceId');

  @override
  void leaveCalibrationChannel(String sensorDeviceId) =>
      realtime.leaveChannel('calibration:$sensorDeviceId');
}