#ifndef QUERY_FOREIGN_HPP
#define QUERY_FOREIGN_HPP

#include "matador/utils/identifiable.hpp"

namespace matador::sql {

template < class Type >
class foreign : public utils::identifiable
{
public:
  foreign() = default;
  explicit foreign(Type *obj)
  : obj_(obj) {}

  void reset(const utils::identifier &id) override {
    id_ = id;
  }

  [[nodiscard]] bool has_primary_key() const override {
    return true;
  }

  [[nodiscard]] const utils::identifier &primary_key() const override {
    return id_;
  }

  utils::identifier &primary_key() override {
    return id_;
  }

  [[nodiscard]] utils::identifier create_identifier() const override {
    return {id_};
  }

  Type* operator->() { return obj_.get(); }
  const Type* operator->() const { return obj_.get(); }

  Type& operator*() { return *obj_; }
  const Type& operator*() const { return *obj_; }

private:
  utils::identifier id_;
  std::unique_ptr<Type> obj_;
};

template<class Type, typename... Args>
[[maybe_unused]] foreign<Type> make_foreign(Args&&... args)
{
  return foreign(new Type(std::forward<Args>(args)...));
}

}
#endif //QUERY_FOREIGN_HPP