SpotiFLAC-Mobile/lib/providers/settings_provider.dart

import 'dart:convert';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:spotiflac_android/models/settings.dart';

const _settingsKey = 'app_settings';

class SettingsNotifier extends Notifier<AppSettings> {
  @override
  AppSettings build() {
    _loadSettings();
    return const AppSettings();
  }

  Future<void> _loadSettings() async {
    final prefs = await SharedPreferences.getInstance();
    final json = prefs.getString(_settingsKey);
    if (json != null) {
      state = AppSettings.fromJson(jsonDecode(json));
    }
  }

  Future<void> _saveSettings() async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_settingsKey, jsonEncode(state.toJson()));
  }

  void setDefaultService(String service) {
    state = state.copyWith(defaultService: service);
    _saveSettings();
  }

  void setAudioQuality(String quality) {
    state = state.copyWith(audioQuality: quality);
    _saveSettings();
  }

  void setFilenameFormat(String format) {
    state = state.copyWith(filenameFormat: format);
    _saveSettings();
  }

  void setDownloadDirectory(String directory) {
    state = state.copyWith(downloadDirectory: directory);
    _saveSettings();
  }

  void setAutoFallback(bool enabled) {
    state = state.copyWith(autoFallback: enabled);
    _saveSettings();
  }

  void setEmbedLyrics(bool enabled) {
    state = state.copyWith(embedLyrics: enabled);
    _saveSettings();
  }

  void setMaxQualityCover(bool enabled) {
    state = state.copyWith(maxQualityCover: enabled);
    _saveSettings();
  }

  void setFirstLaunchComplete() {
    state = state.copyWith(isFirstLaunch: false);
    _saveSettings();
  }

  void setConcurrentDownloads(int count) {
    // Clamp between 1 and 3
    final clamped = count.clamp(1, 3);
    state = state.copyWith(concurrentDownloads: clamped);
    _saveSettings();
  }

  void setCheckForUpdates(bool enabled) {
    state = state.copyWith(checkForUpdates: enabled);
    _saveSettings();
  }
}

final settingsProvider = NotifierProvider<SettingsNotifier, AppSettings>(
  SettingsNotifier.new,
);