mnemo_cards/mnemo_cards_backend/lib/database/tables/auth.dart

import 'package:drift/drift.dart';
import 'users.dart';
import '../converters.dart' show generateUuid;
import '../postgres_constants.dart';

/// Таблица Tokens - токены авторизации пользователей
class Tokens extends Table {
  TextColumn get id => text().withDefault(const Constant('gen_random_uuid()'))();
  TextColumn get userId => text().references(Users, #id, onDelete: KeyAction.cascade)();
  
  TextColumn get token => text().unique()();
  TextColumn get externalUserId => text()();
  
  DateTimeColumn get created => dateTime().withDefault(currentTimestamp)();
  DateTimeColumn get expires => dateTime()();
  
  @override
  Set<Column> get primaryKey => {id};
  
  @override
  List<String> get customConstraints => [
    'CONSTRAINT valid_expiry CHECK (expires > created)',
  ];
}

/// Таблица RefreshTokens - refresh токены для JWT
class RefreshTokens extends Table {
  TextColumn get id => text().withDefault(const Constant('gen_random_uuid()'))();
  TextColumn get userId => text().references(Users, #id, onDelete: KeyAction.cascade)();
  
  TextColumn get jti => text().unique()();  // JWT ID
  
  BoolColumn get isBlacklisted => boolean().withDefault(const Constant(false))();
  
  DateTimeColumn get createdAt => dateTime().withDefault(currentTimestamp)();
  DateTimeColumn get expiresAt => dateTime()();
  
  @override
  Set<Column> get primaryKey => {id};
}

/// Таблица TelegramAuthCodes - коды для авторизации через Telegram
class TelegramAuthCodes extends Table {
  TextColumn get id => text().withDefault(const Constant('gen_random_uuid()'))();
  
  TextColumn get code => text().unique()();
  TextColumn get telegramUserId => text()();
  TextColumn get telegramUsername => text().nullable()();
  TextColumn get firstName => text().nullable()();
  TextColumn get lastName => text().nullable()();
  
  BoolColumn get isUsed => boolean().withDefault(const Constant(false))();
  DateTimeColumn get usedAt => dateTime().nullable()();
  
  DateTimeColumn get createdAt => dateTime().withDefault(currentTimestamp)();
  DateTimeColumn get expiresAt => dateTime()();
  
  @override
  Set<Column> get primaryKey => {id};
}