import 'package:isar/isar.dart';
import 'package:mangayomi/main.dart';
import 'package:mangayomi/models/chapter.dart';
import 'package:mangayomi/models/download.dart';
import 'package:mangayomi/models/manga.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'statistics_provider.g.dart';

@riverpod
class StatisticsState extends _$StatisticsState {
  @override
  void build(ItemType itemType) {}
  final items = isar.mangas
      .filter()
      .idIsNotNull()
      .favoriteEqualTo(true)
      .findAllSync();
  final chapters = isar.chapters
      .filter()
      .idIsNotNull()
      .manga((q) => q.favoriteEqualTo(true))
      .findAllSync();
  int get totalItems => items.where((i) => i.itemType == itemType).length;
  int get totalChapters =>
      chapters.where((i) => i.manga.value!.itemType == itemType).length;
  int get readChapters => chapters
      .where((i) => i.manga.value!.itemType == itemType && (i.isRead ?? false))
      .length;
  int get completedItems => items
      .where((i) => i.itemType == itemType && (i.status == Status.completed))
      .where((e) => e.chapters.every((element) => element.isRead ?? false))
      .length;

  int get downloadedItems => isar.downloads
      .filter()
      .idIsNotNull()
      .chapter((q) => q.manga((m) => m.itemTypeEqualTo(itemType)))
      .chapter((q) => q.manga((m) => m.favoriteEqualTo(true)))
      .isDownloadEqualTo(true)
      .findAllSync()
      .length;
}