meshcore-open/lib/services/app_settings_service.dart

import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../models/app_settings.dart';

class AppSettingsService extends ChangeNotifier {
  static const String _settingsKey = 'app_settings';

  AppSettings _settings = AppSettings();

  AppSettings get settings => _settings;

  String batteryChemistryForDevice(String deviceId) {
    final stored = _settings.batteryChemistryByDeviceId[deviceId];
    if (stored == 'liion') return 'nmc';
    return stored ?? 'nmc';
  }

  Future<void> loadSettings() async {
    final prefs = await SharedPreferences.getInstance();
    final jsonStr = prefs.getString(_settingsKey);

    if (jsonStr != null) {
      try {
        final json = jsonDecode(jsonStr) as Map<String, dynamic>;
        _settings = AppSettings.fromJson(json);
        notifyListeners();
      } catch (e) {
        // If parsing fails, use defaults
        _settings = AppSettings();
      }
    }
  }

  Future<void> updateSettings(AppSettings newSettings) async {
    _settings = newSettings;
    notifyListeners();

    final prefs = await SharedPreferences.getInstance();
    final jsonStr = jsonEncode(_settings.toJson());
    await prefs.setString(_settingsKey, jsonStr);
  }

  Future<void> setClearPathOnMaxRetry(bool value) async {
    await updateSettings(_settings.copyWith(clearPathOnMaxRetry: value));
  }

  Future<void> setMapShowRepeaters(bool value) async {
    await updateSettings(_settings.copyWith(mapShowRepeaters: value));
  }

  Future<void> setMapShowChatNodes(bool value) async {
    await updateSettings(_settings.copyWith(mapShowChatNodes: value));
  }

  Future<void> setMapShowOtherNodes(bool value) async {
    await updateSettings(_settings.copyWith(mapShowOtherNodes: value));
  }

  Future<void> setMapTimeFilterHours(double value) async {
    await updateSettings(_settings.copyWith(mapTimeFilterHours: value));
  }

  Future<void> setMapKeyPrefixEnabled(bool value) async {
    await updateSettings(_settings.copyWith(mapKeyPrefixEnabled: value));
  }

  Future<void> setMapKeyPrefix(String value) async {
    await updateSettings(_settings.copyWith(mapKeyPrefix: value));
  }

  Future<void> setMapShowMarkers(bool value) async {
    await updateSettings(_settings.copyWith(mapShowMarkers: value));
  }

  Future<void> setNotificationsEnabled(bool value) async {
    await updateSettings(_settings.copyWith(notificationsEnabled: value));
  }

  Future<void> setNotifyOnNewMessage(bool value) async {
    await updateSettings(_settings.copyWith(notifyOnNewMessage: value));
  }

  Future<void> setNotifyOnNewAdvert(bool value) async {
    await updateSettings(_settings.copyWith(notifyOnNewAdvert: value));
  }

  Future<void> setAutoRouteRotationEnabled(bool value) async {
    await updateSettings(_settings.copyWith(autoRouteRotationEnabled: value));
  }

  Future<void> setThemeMode(String value) async {
    await updateSettings(_settings.copyWith(themeMode: value));
  }

  Future<void> setBatteryChemistryForDevice(String deviceId, String chemistry) async {
    final updated = Map<String, String>.from(_settings.batteryChemistryByDeviceId);
    updated[deviceId] = chemistry;
    await updateSettings(_settings.copyWith(batteryChemistryByDeviceId: updated));
  }
}