import 'dart:async';
import 'dart:developer';

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_crashlytics/firebase_crashlytics.dart';
import 'package:firebase_remote_config/firebase_remote_config.dart';
import 'package:flutter/foundation.dart';
import 'package:lightmeter/data/models/feature.dart';

class RemoteConfigService {
  const RemoteConfigService();

  Future<void> activeAndFetchFeatures() async {
    final FirebaseRemoteConfig remoteConfig = FirebaseRemoteConfig.instance;
    const cacheStaleDuration = kDebugMode ? Duration(minutes: 1) : Duration(hours: 12);

    try {
      await remoteConfig.setConfigSettings(
        RemoteConfigSettings(
          fetchTimeout: const Duration(seconds: 15),
          minimumFetchInterval: cacheStaleDuration,
        ),
      );
      await remoteConfig.setDefaults(featuresDefaultValues.map((key, value) => MapEntry(key.name, value)));
      await remoteConfig.activate();
      await remoteConfig.ensureInitialized();
      unawaited(remoteConfig.fetch());

      log('Firebase remote config initialized successfully');
    } on FirebaseException catch (e) {
      _logError('Firebase exception during Firebase Remote Config initialization: $e');
    } on Exception catch (e) {
      _logError('Error during Firebase Remote Config initialization: $e');
    }
  }

  bool isEnabled(Feature feature) => FirebaseRemoteConfig.instance.getBool(feature.name);

  void _logError(dynamic throwable, {StackTrace? stackTrace}) {
    FirebaseCrashlytics.instance.recordError(throwable, stackTrace);
  }
}