/*****************************************************************************\
 *  config.c - Slurm REST API config http operations handlers
 *****************************************************************************
 *  Copyright (C) 2020 SchedMD LLC.
 *  Written by Nathan Rini <nate@schedmd.com>
 *
 *  This file is part of Slurm, a resource management program.
 *  For details, see <https://slurm.schedmd.com/>.
 *  Please also read the included file: DISCLAIMER.
 *
 *  Slurm is free software; you can redistribute it and/or modify it under
 *  the terms of the GNU General Public License as published by the Free
 *  Software Foundation; either version 2 of the License, or (at your option)
 *  any later version.
 *
 *  In addition, as a special exception, the copyright holders give permission
 *  to link the code of portions of this program with the OpenSSL library under
 *  certain conditions as described in each individual source file, and
 *  distribute linked combinations including the two. You must obey the GNU
 *  General Public License in all respects for all of the code used other than
 *  OpenSSL. If you modify file(s) with this exception, you may extend this
 *  exception to your version of the file(s), but you are not obligated to do
 *  so. If you do not wish to do so, delete this exception statement from your
 *  version.  If you delete this exception statement from all source files in
 *  the program, then also delete it here.
 *
 *  Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
 *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 *  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 *  details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with Slurm; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
\*****************************************************************************/

#include "config.h"

#include <stdint.h>

#include "slurm/slurm.h"
#include "slurm/slurmdb.h"

#include "src/common/list.h"
#include "src/common/log.h"
#include "src/common/parse_time.h"
#include "src/common/ref.h"
#include "src/common/slurm_protocol_api.h"
#include "src/common/slurmdbd_defs.h"
#include "src/common/strlcpy.h"
#include "src/common/uid.h"
#include "src/common/xassert.h"
#include "src/common/xmalloc.h"
#include "src/common/xstring.h"

#include "src/slurmrestd/openapi.h"
#include "src/slurmrestd/operations.h"
#include "src/slurmrestd/xjson.h"

#include "src/slurmrestd/plugins/openapi/dbv0.0.36/api.h"

static const operation_handler_t ops[] = {
	/* Warning: order matters */
	op_handler_clusters,
	op_handler_tres,
	op_handler_accounts,
	op_handler_users,
	op_handler_qos,
	op_handler_wckeys,
	op_handler_associations,
};

static int _op_handler_config(const char *context_id,
			      http_request_method_t method, data_t *parameters,
			      data_t *query, int tag, data_t *resp,
			      rest_auth_context_t *auth)
{
	int rc = SLURM_SUCCESS;
	data_t *errors = populate_response_format(resp);

	if ((method == HTTP_REQUEST_GET) || (method == HTTP_REQUEST_POST)) {
		for (int i = 0; (!rc) && (i < ARRAY_SIZE(ops)); i++) {
			int rc2 = ops[i](context_id, method, parameters, query,
					 tag, resp, auth);

			/*
			 * ignore empty results as there may simply be nothing
			 * there to dump.
			 **/
			if (rc2 != ESLURM_REST_EMPTY_RESULT)
				rc = MAX(rc, rc2);
		}
	} else
		rc = ESLURM_REST_INVALID_QUERY;

	if (method == HTTP_REQUEST_POST)
		rc = db_query_commit(errors, auth);

	return rc;
}

extern void init_op_config(void)
{
	bind_operation_handler("/slurmdb/v0.0.36/config", _op_handler_config,
			       CONFIG_OP_TAG);
}

extern void destroy_op_config(void)
{
	unbind_operation_handler(_op_handler_config);
}
