/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

// Copyright 2004-present Facebook. All Rights Reserved.
// -*- c++ -*-

#include "Index_c.h"
#include "Index.h"
#include "macros_impl.h"

extern "C" {

DEFINE_DESTRUCTOR(Index)

DEFINE_GETTER(Index, int, d)

DEFINE_GETTER(Index, int, is_trained)

DEFINE_GETTER(Index, idx_t, ntotal)

DEFINE_GETTER(Index, FaissMetricType, metric_type)

int faiss_Index_train(FaissIndex* index, idx_t n, const float* x) {
    try {
        reinterpret_cast<faiss::Index*>(index)->train(n, x);
    } CATCH_AND_HANDLE
}

int faiss_Index_add(FaissIndex* index, idx_t n, const float* x) {
    try {
        reinterpret_cast<faiss::Index*>(index)->add(n, x);
    } CATCH_AND_HANDLE
}

int faiss_Index_add_with_ids(FaissIndex* index, idx_t n, const float* x, const idx_t* xids) {
    try {
        reinterpret_cast<faiss::Index*>(index)->add_with_ids(n, x, xids);
    } CATCH_AND_HANDLE
}

int faiss_Index_search(const FaissIndex* index, idx_t n, const float* x, idx_t k,
                       float* distances, idx_t* labels) {
    try {
        reinterpret_cast<const faiss::Index*>(index)->search(n, x, k, distances, labels);
    } CATCH_AND_HANDLE
}

int faiss_Index_range_search(const FaissIndex* index, idx_t n, const float* x, float radius,
                             FaissRangeSearchResult* result) {
    try {
        reinterpret_cast<const faiss::Index*>(index)->range_search(
            n, x, radius, reinterpret_cast<faiss::RangeSearchResult*>(result));
    } CATCH_AND_HANDLE
}

int faiss_Index_assign(FaissIndex* index, idx_t n, const float * x, idx_t * labels, idx_t k) {
    try {
        reinterpret_cast<faiss::Index*>(index)->assign(n, x, labels, k);
    } CATCH_AND_HANDLE
}

int faiss_Index_reset(FaissIndex* index) {
    try {
        reinterpret_cast<faiss::Index*>(index)->reset();
    } CATCH_AND_HANDLE
}

int faiss_Index_remove_ids(FaissIndex* index, const FaissIDSelector* sel, size_t* n_removed) {
    try {
        size_t n {reinterpret_cast<faiss::Index*>(index)->remove_ids(
            *reinterpret_cast<const faiss::IDSelector*>(sel))};
        if (n_removed) {
            *n_removed = n;
        }
    } CATCH_AND_HANDLE
}

int faiss_Index_reconstruct(const FaissIndex* index, idx_t key, float* recons) {
    try {
        reinterpret_cast<const faiss::Index*>(index)->reconstruct(key, recons);
    } CATCH_AND_HANDLE
}

int faiss_Index_reconstruct_n (const FaissIndex* index, idx_t i0, idx_t ni, float* recons) {
    try {
        reinterpret_cast<const faiss::Index*>(index)->reconstruct_n(i0, ni, recons);
    } CATCH_AND_HANDLE
}

int faiss_Index_compute_residual(const FaissIndex* index, const float* x, float* residual, idx_t key) {
    try {
        reinterpret_cast<const faiss::Index*>(index)->compute_residual(x, residual, key);
    } CATCH_AND_HANDLE
}

int faiss_Index_display(const FaissIndex* index) {
    try {
        reinterpret_cast<const faiss::Index*>(index)->display();
    } CATCH_AND_HANDLE
}

}