import 'package:drift/drift.dart';

/// Search history table: stores the last 50 search queries.
class SearchHistory extends Table {
  IntColumn get id => integer().autoIncrement()();
  TextColumn get query => text()();
  RealColumn get latitude => real().nullable()();
  RealColumn get longitude => real().nullable()();
  IntColumn get timestamp => integer()(); // Unix epoch seconds
}

/// Favorites table: stores user-saved places.
class Favorites extends Table {
  IntColumn get id => integer().autoIncrement()();
  IntColumn get osmId => integer().nullable()();
  TextColumn get osmType => text().nullable()(); // 'N', 'W', or 'R'
  TextColumn get name => text()();
  TextColumn get note => text().nullable()();
  TextColumn get groupName =>
      text().withDefault(const Constant('Favorites'))();
  RealColumn get latitude => real()();
  RealColumn get longitude => real()();
  TextColumn get addressJson => text().nullable()(); // JSON-encoded address
  IntColumn get createdAt => integer()(); // Unix epoch seconds
  IntColumn get updatedAt => integer()(); // Unix epoch seconds
}

/// Offline regions table: tracks downloaded offline regions on the device.
class OfflineRegions extends Table {
  TextColumn get id => text()();
  TextColumn get name => text()();
  RealColumn get minLat => real()();
  RealColumn get minLon => real()();
  RealColumn get maxLat => real()();
  RealColumn get maxLon => real()();
  IntColumn get tilesSizeBytes => integer()();
  IntColumn get routingSizeBytes => integer()();
  IntColumn get poisSizeBytes => integer()();
  IntColumn get downloadedAt => integer()(); // Unix epoch seconds
  IntColumn get lastUpdated => integer()(); // Unix epoch seconds (from backend)

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

/// Settings table: key-value storage for user preferences.
class Settings extends Table {
  TextColumn get key => text()();
  TextColumn get value => text()();

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