import 'package:agrilink_vocpro/core/state/result_state.dart';
import 'package:agrilink_vocpro/domain/service/mqtt_service.dart';
import 'package:flutter/material.dart';

class ControlProvider extends ChangeNotifier {
  final MQTTService _mqttService = MQTTService();

  bool _control_1 = false;

  bool get control_1 => _control_1;

  ControlProvider() {
    connectMqtt();
  }

  ResultState mqttState = ResultState.initial;
  ResultState subscribeState = ResultState.initial;

  Future<void> connectMqtt() async {
    mqttState = ResultState.loading;
    subscribeState = ResultState.loading;
    notifyListeners();

    try {
      final result = await _mqttService.setupMqtt();
      if (result == ResultState.hasData) {
        mqttState = result;
        final result2 = await _mqttService.subscribeToTopic('relay1');
        if (result2 == true) {
          subscribeState = ResultState.hasData;
          _control_1 = true;
        } else {
          subscribeState = ResultState.hasData;
          _control_1 = false;
        }
      } else {
        mqttState = ResultState.error;
      }
    } catch (e) {
      mqttState = ResultState.error;
      print(e);
    }

    notifyListeners();
  }

  Future<void> disconnectMqtt() async {
    try {
      await _mqttService.disconnectMqtt();
    } catch (e) {
      print(e);
      rethrow;
    }
    notifyListeners();
  }

  @override
  void dispose() {
    disconnectMqtt();
    super.dispose();
  }

  void switchControl1() {
    _control_1 = !_control_1;
    notifyListeners();
  }

  Future<ResultState> publishMessage(String topic, String message) async {
    try {
      final result = await _mqttService.publishMessage(topic, message);
      return result;
    } catch (e) {
      print(e);
      rethrow;
    }
  }

  Future<void> subscribeToTopic(String topic) async {
    try {
      await _mqttService.subscribeToTopic(topic);
    } catch (e) {
      print(e);
      rethrow;
    }
  }
}