#include <string>
#include <vector>

#include "rocksdb/slice.h"
#include "rocksdb/version.h"

#include "rocks/ctypes.hpp"

using namespace ROCKSDB_NAMESPACE;

extern "C" {
/* version */
int rocks_version_major() { return ROCKSDB_MAJOR; }
int rocks_version_minor() { return ROCKSDB_MINOR; }
int rocks_version_patch() { return ROCKSDB_PATCH; }

size_t cxx_vector_slice_size(const void* list) {
  auto p = reinterpret_cast<const std::vector<Slice>*>(list);
  return p->size();
}

const void* cxx_vector_slice_nth(const void* list, size_t n) {
  auto p = reinterpret_cast<const std::vector<Slice>*>(list);
  return (void*)&p->at(n);
}

void cxx_string_assign(cxx_string_t* s, const char* p, size_t len) {
  auto str = reinterpret_cast<std::string*>(s);
  str->assign(p, len);
}

const char* cxx_string_data(const cxx_string_t* s) {
  auto str = reinterpret_cast<const std::string*>(s);
  return str->data();
}

size_t cxx_string_size(const cxx_string_t* s) {
  auto str = reinterpret_cast<const std::string*>(s);
  return str->size();
}

void cxx_string_destroy(cxx_string_t* s) { delete reinterpret_cast<std::string*>(s); }

cxx_string_vector_t* cxx_string_vector_create() { return new cxx_string_vector_t; }

void cxx_string_vector_destory(cxx_string_vector_t* v) { delete v; }

size_t cxx_string_vector_size(cxx_string_vector_t* v) { return v->rep.size(); }

const char* cxx_string_vector_nth(cxx_string_vector_t* v, size_t index) { return v->rep[index].data(); }

size_t cxx_string_vector_nth_size(cxx_string_vector_t* v, size_t index) { return v->rep[index].size(); }
}