#ifndef JOIN_COLUMNS_COLLECTOR_HPP
#define JOIN_COLUMNS_COLLECTOR_HPP

#include "matador/utils/access.hpp"
#include "matador/utils/field_attributes.hpp"

#include <string>

namespace matador::object {
struct join_columns {
  std::string join_column;
  std::string inverse_join_column;
};

class join_columns_collector final {
public:
    template<class Type>
    join_columns collect() {
        join_columns_ = {};
        Type obj;

        access::process(*this, obj);

        return join_columns_;
    }
    template < class V >
    void on_primary_key(const char * /*id*/, V &, std::enable_if_t<std::is_integral_v<V> && !std::is_same_v<bool, V>>* = nullptr) {}
    static void on_primary_key(const char * /*id*/, std::string &, size_t) {}
    static void on_revision(const char * /*id*/, unsigned long long &/*rev*/) {}
    template<typename Type>
    static void on_attribute(const char * /*id*/, Type &, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
    template<class Pointer>
    static void on_belongs_to(const char * /*id*/, Pointer &obj, const utils::foreign_attributes &attr) {}
    template<class Pointer>
    static void on_has_one(const char * /*id*/, Pointer &obj, const utils::foreign_attributes &attr) {}
    template<class ContainerType>
    static void on_has_many(ContainerType &, const char *join_column, const utils::foreign_attributes &attr) {}
    template<class ContainerType>
    void on_has_many_to_many(const char * /*id*/, ContainerType &/*c*/, const char *join_column, const char *inverse_join_column, const utils::foreign_attributes &/*attr*/) {
        join_columns_.join_column = join_column;
        join_columns_.inverse_join_column = inverse_join_column;
    }
    template<class ContainerType>
    static void on_has_many_to_many(const char * /*id*/, ContainerType &/*c*/, const utils::foreign_attributes &/*attr*/) {}

private:
    join_columns join_columns_;
};
}

#endif //JOIN_COLUMNS_COLLECTOR_HPP