fApp/lib/utils/ParseDeepLink.dart

import 'package:f0ckapp/providers/MediaProvider.dart';
import 'package:f0ckapp/screens/DetailView.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

Map<String, RegExp> routes = {
  //'login': RegExp(r'^/login/?$'),
  //'user': RegExp(r'^/user/(?<user>.*)$'),
  'complex': RegExp(
    r'^/?'
    r'(?:tag/(?<tag>.+?))?'
    r'(?:/user/(?<username>.+?)/(?<set>f0cks|favs))?'
    r'(?:/(?<media>image|audio|video))?'
    r'(?:/(?<id>\d+))?'
    r'$',
  ),
  //'random': RegExp(r'^/random$'),
  //'search': RegExp(r'^/search/?$'),
};

Map<String, dynamic> parseDeepLink(Uri? uri) {
  if (uri == null) {
    return {};
  }
  String url = uri.toString().replaceAll("https://f0ck.me", "");

  for (final MapEntry<String, RegExp> entry in routes.entries) {
    final String routeName = entry.key;
    final RegExp pattern = entry.value;
    final RegExpMatch? match = pattern.firstMatch(url.toString());
    if (match != null) {
      Map<String, String> params = <String, String>{};
      for (String name in match.groupNames) {
        params[name] = match.namedGroup(name) ?? '';
      }
      return {'route': routeName, 'params': params};
    }
  }
  return {};
}

Future<void> handleComplexDeepLink(
  Map<String, String> params,
  BuildContext context,
  WidgetRef ref,
  ScrollController scrollController,
) async {
  final media = params['media'];
  const validMediaTypes = {'audio', 'video', 'image'};
  if (media != null && validMediaTypes.contains(media)) {
    ref.read(mediaProvider.notifier).setType(media);
  }

  final idParam = params['id'];
  if (idParam == null || idParam.isEmpty) return;

  final int? id = int.tryParse(idParam);
  if (id == null) return;

  final mediaState = ref.read(mediaProvider);
  final index = mediaState.mediaItems.indexWhere((item) => item.id == id);
  if (index == -1) {
    await ref.read(mediaProvider.notifier).loadMedia(id: id + 50);

    final updatedState = ref.read(mediaProvider);
    final updatedIndex = updatedState.mediaItems.indexWhere(
      (item) => item.id == id,
    );
    print(updatedIndex.toString());
    if (updatedIndex == -1) {
      return;
    }
  }

  bool? navigationResult = await Navigator.push(
    context,
    MaterialPageRoute(builder: (_) => DetailView(initialItemId: id)),
  );

  if (navigationResult == true) {
    scrollController.jumpTo(0);
  }
}