import 'package:f0ckapp/services/Api.dart';
import 'package:flutter/material.dart';
import 'package:f0ckapp/models/MediaItem.dart';

class MediaProvider extends ChangeNotifier {
  int _typeid = 0;
  int _mode = 0;
  bool _random = false;
  String? _tag;
  int _crossAxisCount = 0;
  List<MediaItem> _mediaItems = [];
  bool _isLoading = false;

  List<String> types = ["alles", "image", "video", "audio"];
  List<String> modes = ["sfw", "nsfw", "untagged", "all"];

  String get type => types[_typeid];
  int get typeid => _typeid;
  int get mode => _mode;
  bool get random => _random;
  String? get tag => _tag;
  int get crossAxisCount => _crossAxisCount;
  List<MediaItem> get mediaItems => _mediaItems;
  bool get isLoading => _isLoading;

  void setType(String type) {
    _typeid = types.indexOf(type);
    loadMedia(reload: true);
  }

  void setMode(int mode) {
    _mode = mode;
    loadMedia(reload: true);
  }

  void toggleRandom() {
    _random = !_random;
    loadMedia(reload: true);
  }

  void setTag(String? tag) {
    _tag = tag;
    loadMedia(reload: true);
  }

  void setCrossAxisCount(int crossAxisCount) {
    _crossAxisCount = crossAxisCount;
    notifyListeners();
  }

  void setMediaItems(List<MediaItem> mediaItems) {
    if (_mediaItems != mediaItems) {
      _mediaItems = mediaItems;
      notifyListeners();
    }
  }

  void addMediaItems(List<MediaItem> newItems) {
    _mediaItems.addAll(newItems);
    notifyListeners();
  }

  Future<void> loadMedia({bool reload = false, bool notify = true}) async {
    if (_isLoading) return;
    _isLoading = true;
    if (notify) notifyListeners();

    try {
      final newMedia = await fetchMedia(
        older: reload
            ? null
            : _mediaItems.isNotEmpty
            ? _mediaItems.last.id
            : null,
        type: type,
        mode: mode,
        random: random,
        tag: tag,
      );

      reload ? setMediaItems(newMedia) : addMediaItems(newMedia);
    } catch (e) {
      debugPrint('Fehler beim Laden der Medien: $e');
    } finally {
      _isLoading = false;
      if(notify) notifyListeners();
    }
  }
}