import 'dart:developer';
import 'dart:io';

import 'package:isar/isar.dart';
import 'package:mnemo_cards_backend/cron/task.dart';
import 'package:mnemo_cards_common_backend/mnemo_cards_common_backend.dart';
import 'package:mnemo_cards_backend/packs/pack_manager.dart';

import '../main.dart';
import 'package:path/path.dart';

class DeleteOldArchives with Task {
  @override
  String get name => 'delete_old_archives';

  @override
  Future<void> task() async {
    final archives =
        (await Directory('${PackManager.assetsDirectory.path}/pack_archives')
                .list(recursive: true)
                .toList())
            .whereType<File>();
    final packs = await isar.cardPackModels.where().findAll();
    final toDelete = <File>[];
    for (final pack in packs) {
      try {
        for (final archive in archives) {
          final names = basename(archive.path).split('_');
          if (names.first == pack.id?.toString() &&
              names.last != pack.version) {
            toDelete.add(archive);
          }
        }
      } catch (e) {
        print('$name on pack ${pack.id}: $e');
      }
    }
    try {
      for (final file in toDelete) {
        await file.delete();
      }
    } catch (e, s) {
      log(
        'Error when deleting packs',
        error: e,
        stackTrace: s,
      );
    }
    print('deleted ${toDelete.length} old archives');
  }

  @override
  int get intervalSeconds => 60 * 60 * 3;
}