import 'package:hive/hive.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:lunasea/core.dart';
export 'package:hive_flutter/hive_flutter.dart';

class Database {
  static const String _DATABASE_PATH = 'database';

  /// Initialize the database.
  ///
  /// - Initializes Hive database path
  /// - Register all adapters
  /// - Open all boxes
  /// - Set default database state of necessary
  Future<void> initialize() async {
    await Hive.initFlutter(_DATABASE_PATH);
    _registerAdapters();
    await _openBoxes();
    if (profilesBox.keys?.isEmpty ?? true) setDefaults(clearEverything: true);
  }

  /// Deinitialize the database by closing all open hive boxes.
  Future<void> deinitialize() async => await Hive.close();

  /// Registers all necessary object adapters for Hive.
  void _registerAdapters() {
    LunaDatabase().registerAdapters();
    LunaModule.values.forEach((module) {
      if (module.database != null) module.database.registerAdapters();
    });
  }

  /// Open all Hive boxes for reading.
  Future<void> _openBoxes() async {
    await Hive.openBox('alerts');
    await Hive.openBox<IndexerHiveObject>('indexers');
    await Hive.openBox<LunaLogHiveObject>('logs');
    await Hive.openBox('lunasea');
    await Hive.openBox<ProfileHiveObject>('profiles');
  }

  /// Set the default state for all hive boxes.
  void setDefaults({bool clearEverything = false}) {
    //Clear all the boxes
    clearAllBoxes(clearEverything: clearEverything);
    //Set default profile & enabled profile
    profilesBox.put('default', ProfileHiveObject.empty());
    lunaSeaBox.put(LunaDatabaseValue.ENABLED_PROFILE.key, 'default');
  }

  //Get boxes
  static Box get alertsBox => Hive.box('alerts');
  static Box<IndexerHiveObject> get indexersBox =>
      Hive.box<IndexerHiveObject>('indexers');
  static Box<LunaLogHiveObject> get logsBox =>
      Hive.box<LunaLogHiveObject>('logs');
  static Box get lunaSeaBox => Hive.box('lunasea');
  static Box<ProfileHiveObject> get profilesBox =>
      Hive.box<ProfileHiveObject>('profiles');

  //Clear boxes
  void clearAlertsBox() => alertsBox.deleteAll(alertsBox.keys);
  void clearIndexersBox() => indexersBox.deleteAll(indexersBox.keys);
  void clearLogsBox() => logsBox.deleteAll(logsBox.keys);
  void clearLunaSeaBox() => lunaSeaBox.deleteAll(lunaSeaBox.keys);
  void clearProfilesBox() => profilesBox.deleteAll(profilesBox.keys);

  void clearAllBoxes({
    bool clearEverything = false,
  }) {
    clearLunaSeaBox();
    clearProfilesBox();
    clearIndexersBox();
    if (clearEverything) {
      clearAlertsBox();
      clearLogsBox();
    }
  }

  //Profile values
  static String get currentProfile => lunaSeaBox.get('profile');
  static ProfileHiveObject get currentProfileObject =>
      profilesBox.get(currentProfile);
}