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

import 'package:app_links/app_links.dart';
import 'package:mnemo_cards/features/analytics/analytics.dart';

import 'deeplinks_manager.dart';

class DeeplinkManager implements DeeplinkHandler {
  final AppLinks _appLinks;
  final List<DeeplinkHandler> _handlers;

  StreamSubscription? _subscription;

  DeeplinkManager(
    this._appLinks,
    this._handlers,
  );

  Future<void> init() async {
    _subscription ??= _appLinks.uriLinkStream.listen(_handleDeeplink);
  }

  Future<void> dispose() async {
    await _subscription?.cancel();
    _subscription = null;
  }

  @override
  bool canHandle(Uri uri) {
    for (final handler in _handlers) {
      if (handler.canHandle(uri)) {
        return true;
      }
    }
    return false;
  }

  @override
  void handle(Uri uri) => _handleDeeplink(uri);

  void _handleDeeplink(Uri uri) {
    for (final handler in _handlers) {
      if (handler.canHandle(uri)) {
        return handler.handle(uri);
      }
    }
    log('Deeplink not handled! ${uri}');
    Analytics.deeplinkError(uri);
  }
}