#ifndef SCHEMA_METADATA_H
#define SCHEMA_METADATA_H

#include "relation_id_config.h"
#include <QMap>
#include <QObject>
#include <mutex>

class SchemaMetadata : QObject {
  Q_OBJECT

private:
  static QMap<QString, RelationIdConfig> databaseTableNameToConfigMap_;
  static std::once_flag initFlag;

public:
  SchemaMetadata &operator=(const SchemaMetadata &);
  SchemaMetadata(const SchemaMetadata &);

  QString modelTableName(const QString &databaseTableName);
  QString primaryIdColumnName(const QString &databaseTableName);
  QString repositoryTableName(const QString &databaseTableName);
  QString translatedTableName(const QString &databaseTableName);
  RelationIdConfig relationIdConfig(const QString &databaseTableName);

  inline auto asKeyValueRange();

  static SchemaMetadata defaultSchema();

private:
  SchemaMetadata() noexcept;

  static void initialize();
};

auto SchemaMetadata::asKeyValueRange() {
  return databaseTableNameToConfigMap_.asKeyValueRange();
}

#endif // SCHEMA_METADATA_H