import 'dart:convert';

import 'package:flutter/services.dart' show rootBundle;

import 'feature_flags.dart';

/// Lädt die Feature-Schalter aus der mitgelieferten Asset-Datei.
class FeatureFlagsRepository {
  const FeatureFlagsRepository({this.assetPath = 'assets/feature_flags.json'});

  final String assetPath;

  Future<FeatureFlags> load() async {
    final json = jsonDecode(await rootBundle.loadString(assetPath));
    if (json is! Map<String, dynamic>) {
      throw const FormatException('feature_flags.json ist kein JSON-Objekt.');
    }
    return FeatureFlags.fromJson(json);
  }
}