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

import 'package:drift/drift.dart';
import 'package:drift_postgres/drift_postgres.dart';
import '../converters.dart' show JsonListConverter, StringListConverter;
import 'users.dart';

/// Таблица Payments - платежи
class Payments extends Table {
  // ID как String, но фактически UUID (генерируется PostgreSQL на стороне БД)
  TextColumn get id =>
      text().withDefault(const CustomExpression('gen_random_uuid()::text'))();
  TextColumn get userId =>
      text().references(Users, #id, onDelete: KeyAction.cascade)();

  TextColumn get amount => text()();
  TextColumn get currency => text()();

  // Статус и платежная система (enum as string)
  TextColumn get status => text()(); // PaymentStatus
  TextColumn get paymentSystem => text()(); // PaymentSystem

  TextColumn get externalToken => text().nullable()();
  TextColumn get meta => text().nullable()();

  Column<PgDateTime> get date =>
      customType(PgTypes.timestampWithTimezone).withDefault(now())();

  // Продукты (JSON array)
  TextColumn get products =>
      text().withDefault(const Constant('[]')).map(const JsonListConverter())();

  // Audit
  Column<PgDateTime> get createdAt =>
      customType(PgTypes.timestampWithTimezone).withDefault(now())();
  Column<PgDateTime> get updatedAt =>
      customType(PgTypes.timestampWithTimezone).withDefault(now())();
  BoolColumn get isDeleted =>
      boolean().customConstraint('NOT NULL DEFAULT FALSE')();

  Column<PgDateTime> get deletedAt =>
      customType(PgTypes.timestampWithTimezone).nullable()();

  @override
  Set<Column> get primaryKey => {id};
}

// Конвертеры импортированы из converters.dart