#ifndef QUERY_RESULT_PARAMETER_BINDER_HPP
#define QUERY_RESULT_PARAMETER_BINDER_HPP

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

#include "matador/sql/any_type.hpp"
#include "matador/sql/types.hpp"

#include <string>

namespace matador::sql {

class result_parameter_binder;

namespace detail {
class fk_result_binder
{
public:
  explicit fk_result_binder(result_parameter_binder &result_binder);

  template<class Type>
  void bind_result(Type &obj, size_t column_index)
  {
    column_index_ = column_index;
    utils::access::process(*this, obj);
  }

  template<typename ValueType>
  void on_primary_key(const char *id, ValueType &value, typename std::enable_if<std::is_integral<ValueType>::value && !std::is_same<bool, ValueType>::value>::type* = 0);
  void on_primary_key(const char *id, std::string &value, size_t size);
  void on_revision(const char * /*id*/, unsigned long long &/*rev*/) {}

  template < class Type >
  void on_attribute(const char * /*id*/, Type &/*x*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
  template < class Pointer >
  void on_belongs_to(const char * /*id*/, Pointer &/*x*/, utils::cascade_type) {}
  template < class Pointer >
  void on_has_one(const char * /*id*/, Pointer &/*x*/, utils::cascade_type) {}

  template<class ContainerType>
  void on_has_many(const char *, ContainerType &, const char *, const char *, utils::cascade_type) {}
  template<class ContainerType>
  void on_has_many(const char *, ContainerType &, utils::cascade_type) {}

private:
  size_t column_index_{};
  result_parameter_binder &result_binder_;
};

}

class result_parameter_binder
{
public:
  template<typename ValueType>
  void on_primary_key(const char * /*id*/, ValueType &value, typename std::enable_if<std::is_integral<ValueType>::value && !std::is_same<bool, ValueType>::value>::type* = 0)
  {
    data_type_traits<ValueType>::bind_result_value(*this, column_index_++, value);
  }
  void on_primary_key(const char *id, std::string &value, size_t size);
  void on_revision(const char *id, unsigned long long &rev);

  template < class Type >
  void on_attribute(const char * /*id*/, Type &x, const utils::field_attributes &/*attr*/ = utils::null_attributes)
  {
    data_type_traits<Type>::bind_result_value(*this, column_index_++, x);
  }
  void on_attribute(const char *id, char *value, const utils::field_attributes &attr = utils::null_attributes);
  void on_attribute(const char *id, std::string &value, const utils::field_attributes &attr = utils::null_attributes);
  void on_attribute(const char *id, any_type &value, data_type_t type, const utils::field_attributes &attr = utils::null_attributes);

  template < class Pointer >
  void on_belongs_to(const char * /*id*/, Pointer &x, utils::cascade_type)
  {
    if (!x.get()) {
      x.reset(new typename Pointer::value_type);
    }
    fk_result_binder_.bind_result(*x, column_index_++);
  }
  template < class Pointer >
  void on_has_one(const char * /*id*/, Pointer &x, utils::cascade_type)
  {
    if (!x.get()) {
      x.reset(new typename Pointer::value_type);
    }
    fk_result_binder_.bind_result(*x, column_index_++);
  }

  template<class ContainerType>
  void on_has_many(const char *, ContainerType &, const char *, const char *, utils::cascade_type) {}
  template<class ContainerType>
  void on_has_many(const char *, ContainerType &, utils::cascade_type) {}

  virtual void bind_result_value(size_t index, char &value) {}
  virtual void bind_result_value(size_t index, short &value) {}
  virtual void bind_result_value(size_t index, int &value) {}
  virtual void bind_result_value(size_t index, long &value) {}
  virtual void bind_result_value(size_t index, long long &value) {}
  virtual void bind_result_value(size_t index, unsigned char &value) {}
  virtual void bind_result_value(size_t index, unsigned short &value) {}
  virtual void bind_result_value(size_t index, unsigned int &value) {}
  virtual void bind_result_value(size_t index, unsigned long &value) {}
  virtual void bind_result_value(size_t index, unsigned long long &value) {}
  virtual void bind_result_value(size_t index, bool &value) {}
  virtual void bind_result_value(size_t index, float &value) {}
  virtual void bind_result_value(size_t index, double &value) {}
//  virtual void bind_result_value(size_t index, matador::time &value) {}
//  virtual void bind_result_value(size_t index, matador::date &value) {}
  virtual void bind_result_value(size_t index, char *value, size_t s) {}
  virtual void bind_result_value(size_t index, std::string &value) {}
  virtual void bind_result_value(size_t index, std::string &value, size_t s) {}
  virtual void bind_result_value(size_t index, any_type &value, data_type_t type, size_t size) {}

private:
  size_t column_index_{};
  detail::fk_result_binder fk_result_binder_;
};

namespace detail {

template<typename ValueType>
void fk_result_binder::on_primary_key(const char * /*id*/, ValueType &value, typename std::enable_if<std::is_integral<ValueType>::value && !std::is_same<bool, ValueType>::value>::type *)
{
  data_type_traits<ValueType>::bind_result_value(result_binder_, column_index_++, value);
}


}
}

#endif //QUERY_RESULT_PARAMETER_BINDER_HPP