/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0.  If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#include <isc/once.h>
#include <isc/util.h>

#include <dst/result.h>

static const char *text[DST_R_NRESULTS] = {
	"algorithm is unsupported",		 /*%< 0 */
	"crypto failure",			 /*%< 1 */
	"built with no crypto support",		 /*%< 2 */
	"illegal operation for a null key",	 /*%< 3 */
	"public key is invalid",		 /*%< 4 */
	"private key is invalid",		 /*%< 5 */
	"external key",				 /*%< 6 */
	"error occurred writing key to disk",	 /*%< 7 */
	"invalid algorithm specific parameter",	 /*%< 8 */
	"UNUSED9",				 /*%< 9 */
	"UNUSED10",				 /*%< 10 */
	"sign failure",				 /*%< 11 */
	"UNUSED12",				 /*%< 12 */
	"UNUSED13",				 /*%< 13 */
	"verify failure",			 /*%< 14 */
	"not a public key",			 /*%< 15 */
	"not a private key",			 /*%< 16 */
	"not a key that can compute a secret",	 /*%< 17 */
	"failure computing a shared secret",	 /*%< 18 */
	"no randomness available",		 /*%< 19 */
	"bad key type",				 /*%< 20 */
	"no engine",				 /*%< 21 */
	"illegal operation for an external key", /*%< 22 */
};

static const char *ids[DST_R_NRESULTS] = {
	"DST_R_UNSUPPORTEDALG",
	"DST_R_CRYPTOFAILURE",
	"DST_R_NOCRYPTO",
	"DST_R_NULLKEY",
	"DST_R_INVALIDPUBLICKEY",
	"DST_R_INVALIDPRIVATEKEY",
	"UNUSED",
	"DST_R_WRITEERROR",
	"DST_R_INVALIDPARAM",
	"UNUSED",
	"UNUSED",
	"DST_R_SIGNFAILURE",
	"UNUSED",
	"UNUSED",
	"DST_R_VERIFYFAILURE",
	"DST_R_NOTPUBLICKEY",
	"DST_R_NOTPRIVATEKEY",
	"DST_R_KEYCANNOTCOMPUTESECRET",
	"DST_R_COMPUTESECRETFAILURE",
	"DST_R_NORANDOMNESS",
	"DST_R_BADKEYTYPE",
	"DST_R_NOENGINE",
	"DST_R_EXTERNALKEY",
};

#define DST_RESULT_RESULTSET 2

static isc_once_t once = ISC_ONCE_INIT;

static void
initialize_action(void) {
	isc_result_t result;

	result = isc_result_register(ISC_RESULTCLASS_DST, DST_R_NRESULTS, text,
				     DST_RESULT_RESULTSET);
	if (result != ISC_R_SUCCESS) {
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_result_register() failed: %u", result);
	}
	result = isc_result_registerids(ISC_RESULTCLASS_DST, DST_R_NRESULTS,
					ids, DST_RESULT_RESULTSET);
	if (result != ISC_R_SUCCESS) {
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_result_registerids() failed: %u", result);
	}
}

static void
initialize(void) {
	RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);
}

const char *
dst_result_totext(isc_result_t result) {
	initialize();

	return (isc_result_totext(result));
}

void
dst_result_register(void) {
	initialize();
}

/*! \file */
