import 'package:libac_dart/nbt/SnbtIo.dart';
import 'package:libac_dart/nbt/impl/CompoundTag.dart';
import 'package:shared_preferences/shared_preferences.dart';

class NBTHelper {
  /// Commits NBT Data to Shared Preferences, performing all the secret magic that makes it happen
  ///
  /// [data] - The data to be encoded and saved
  /// [name] - The name to give the entry.
  static Future<void> CommitNBT(
      {required CompoundTag data, required String name}) async {
    String encoded = SnbtIo.writeToString(data);

    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString(name, encoded);
  }

  /// This function retrieves the NBT Data and turns it back into a CompoundTag
  ///
  /// [name] - The name of the entry to retrieve
  static Future<CompoundTag> GetNBT({required String name}) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    String data = prefs.getString(name) ?? "";
    if (data.isEmpty) {
      return CompoundTag();
    } else {
      return await SnbtIo.readFromString(data) as CompoundTag;
    }
  }

  /// Resets and clears the persistent storage.
  static Future<void> ResetPersistentNBTStore() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.clear();
  }
}