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/history.dart';
import 'package:mangayomi/models/manga.dart';
import 'package:mangayomi/models/track.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
part 'migration.g.dart';

@riverpod
Future<void> migration(Ref ref) async {
  final chapters = isar.chapters.filter().idIsNotNull().mangaIdIsNull().findAllSync();
  final downloads = isar.downloads.filter().idIsNotNull().mangaIdIsNull().findAllSync();
  final histories =
      isar.historys.filter().idIsNotNull().chapterIdIsNull().or().idIsNotNull().isMangaIsNull().findAllSync();
  final tracks = isar.tracks.filter().idIsNotNull().isMangaIsNull().findAllSync();

  isar.writeTxnSync(() {
    //mangaId in chapter
    for (var chapter in chapters) {
      final mangaId = chapter.manga.value?.id;
      isar.chapters.putSync(chapter..mangaId = mangaId);
    }
    //mangaId in Download
    for (var download in downloads) {
      final mangaId = download.chapter.value?.manga.value?.id;
      isar.downloads.putSync(download..mangaId = mangaId);
    }
    //chapterId and isManga in History
    for (var history in histories) {
      final chapterId = history.chapter.value?.id;
      final isManga = history.chapter.value?.manga.value?.isManga;
      isar.historys.putSync(history
        ..chapterId = chapterId
        ..isManga = isManga);
    }
    // isManga in Track
    for (var track in tracks) {
      final isManga = isar.mangas.getSync(track.mangaId!)?.isManga;
      isar.tracks.putSync(track..isManga = isManga);
    }
  });
}