import 'package:hub/shared/helpers/base_storage.dart';
import 'package:hub/shared/helpers/database_storage.dart';
import 'package:sqflite/sqflite.dart';

class KeychainDelegate implements BaseStorage {
  KeychainDelegate._();

  static final KeychainDelegate instance = KeychainDelegate._();

  static const String tableKeychain = 'keychain';

  static String get createTableQuery => '''
    CREATE TABLE $tableKeychain (
      key TEXT UNIQUE,
      value TEXT,
      type TEXT,
      updateAt TEXT,
      resolvedAt TEXT,
      createdAt TEXT
    );
  ''';

  @override
  Future<void> init() async {
    await DatabaseStorage.instance.init();
  }

  @override
  Future<String?> get(String key) async {
    var response = await DatabaseStorage.database.query(tableKeychain, where: 'key = ?', whereArgs: [key]);
    if (response.isEmpty) {
      return null;
    }
    return response.first['value'].toString();
  }

  @override
  Future<void> set(String key, String value) async {
    var date = DateTime.now().toIso8601String();
    await DatabaseStorage.database.insert(
        tableKeychain,
        {
          'key': key,
          'value': value,
          'type': 'local',
          'updateAt': date,
          'resolvedAt': date,
          'createdAt': date,
        },
        conflictAlgorithm: ConflictAlgorithm.replace);
  }

  @override
  Future<void> delete(String key) async {
    await DatabaseStorage.database.delete(tableKeychain, where: 'key = ?', whereArgs: [key]);
  }

  @override
  Future<void> clearAll() async {
    await DatabaseStorage.database.delete(tableKeychain);
  }
}