import 'dart:convert';

import 'package:dietary_guard/models/alert_configuration.dart';
import 'package:get/get.dart';
import 'package:shared_preferences/shared_preferences.dart';

class AlertController extends GetxController {
  List<AlertConfiguration> configuration = List.empty();

  late final SharedPreferences _prefs;

  @override
  void onInit() async {
    _prefs = await SharedPreferences.getInstance();
    loadAlertConfiguration();
    super.onInit();
  }

  void loadAlertConfiguration() {
    final raw = _prefs.getString("alert_configuration");
    if (raw == null) return;
    configuration = List<AlertConfiguration>.from(jsonDecode(raw).map(
      (x) => AlertConfiguration.fromJson(x),
    ));
  }

  Future<void> setAlertConfiguration(List<AlertConfiguration> value) async {
    await _prefs.setString(
      "alert_configuration",
      jsonEncode(value.map((x) => x.toJson()).toList()),
    );
    loadAlertConfiguration();
  }

  void clearAlertConfiguration() {
    _prefs.remove("alert_configuration");
  }
}