#ifndef MATADOR_RELATION_ENDPOINT_HPP
#define MATADOR_RELATION_ENDPOINT_HPP

#include "matador/utils/enum_mapper.hpp"

#include <cstdint>
#include <memory>

namespace matador::object {

class repository_node;

enum class relation_type : uint8_t {
  BELONGS_TO,
  HAS_ONE,
  HAS_MANY
};

static const utils::enum_mapper<relation_type> relation_type_enum({
                                                                    { relation_type::BELONGS_TO, "belongs_to" },
                                                                    { relation_type::HAS_ONE, "has_one" },
                                                                    { relation_type::HAS_MANY, "has_many" },
                                                                  });

class relation_endpoint {
public:
  relation_endpoint(std::string field_name, relation_type type, const std::shared_ptr<repository_node>& node);

  [[nodiscard]] std::string field_name() const;
  [[nodiscard]] relation_type type() const;
  [[nodiscard]] std::string type_name() const;
  [[nodiscard]] const repository_node& node() const;

  [[nodiscard]] std::shared_ptr<repository_node> node_ptr() const;

  [[nodiscard]] bool is_has_one() const;
  [[nodiscard]] bool is_has_many() const;
  [[nodiscard]] bool is_belongs_to() const;

  [[nodiscard]] std::shared_ptr<relation_endpoint> foreign_endpoint() const;
  void link_foreign_endpoint(const std::shared_ptr<relation_endpoint>& endpoint);

private:
  template<typename Type>
  friend class relation_completer;

  std::string field_name_;
  relation_type type_;
  std::shared_ptr<repository_node> node_;
  std::shared_ptr<relation_endpoint> foreign_endpoint_;
};

}

#endif //MATADOR_RELATION_ENDPOINT_HPP