/// App preferences beyond theme (Look ahead horizon, etc.).
library;

import 'package:flutter/foundation.dart';

import '../services/storage_service.dart';

class PreferencesController extends ChangeNotifier {
  PreferencesController(this._storage) {
    _lookAheadMaxYears = _storage.lookAheadMaxYears;
  }

  final StorageService _storage;
  late int _lookAheadMaxYears;

  /// Years ahead Look ahead can navigate (1–30, default 5).
  int get lookAheadMaxYears => _lookAheadMaxYears;

  Future<void> setLookAheadMaxYears(int years) async {
    final next = years.clamp(1, 30);
    if (next == _lookAheadMaxYears) return;
    _lookAheadMaxYears = next;
    notifyListeners();
    await _storage.setLookAheadMaxYears(next);
  }
}