/**

 * @file oval_resultItem.c

 * \brief Open Vulnerability and Assessment Language

 *

 * See more details at http://oval.mitre.org/

 */

/*

 * Copyright 2009--2013 Red Hat Inc., Durham, North Carolina.

 * All Rights Reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 *

 * Authors:

 *      "David Niemoller" <David.Niemoller@g2-inc.com>

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdlib.h>

#include <stdio.h>

#include "oval_agent_api_impl.h"

#include "results/oval_results_impl.h"

#include "adt/oval_collection_impl.h"

#include "oval_system_characteristics_impl.h"

#include "common/util.h"

#include "common/debug_priv.h"

typedef struct oval_result_item {

	struct oval_result_system *sys;

	oval_result_t result;

	struct oval_collection *messages;

	struct oval_sysitem *sysitem;

} oval_result_item_t;

struct oval_result_item *oval_result_item_new(struct oval_result_system *sys, char *item_id) {

	oval_result_item_t *item = (oval_result_item_t *)

	    malloc(sizeof(oval_result_item_t));

	if (item == NULL)

		return NULL;

	struct oval_syschar_model *syschar_model = oval_result_system_get_syschar_model(sys);

	struct oval_sysitem *sysitem = oval_syschar_model_get_new_sysitem(syschar_model, item_id);

	item->sysitem = sysitem;

	item->messages = oval_collection_new();

	item->result = OVAL_RESULT_NOT_EVALUATED;

	item->sys = sys;

	return item;

}

struct oval_result_item *oval_result_item_clone

    (struct oval_result_system *new_system, struct oval_result_item *old_item) {

	struct oval_sysitem *old_sysitem = oval_result_item_get_sysitem(old_item);

	char *datid = oval_sysitem_get_id(old_sysitem);

	struct oval_result_item *new_item = oval_result_item_new(new_system, datid);

	struct oval_message_iterator *old_messages = oval_result_item_get_messages(old_item);

	while (oval_message_iterator_has_more(old_messages)) {

		struct oval_message *old_message = oval_message_iterator_next(old_messages);

		struct oval_message *new_message = oval_message_clone(old_message);

		oval_result_item_add_message(new_item, new_message);

	}

	oval_message_iterator_free(old_messages);

	oval_result_item_set_result(old_item, oval_result_item_get_result(old_item));

	return new_item;

}

void oval_result_item_free(struct oval_result_item *item)

{

	if (item == NULL)

		return;

	oval_collection_free_items(item->messages, (oscap_destruct_func) oval_message_free);

	item->messages = NULL;

	item->result = OVAL_RESULT_NOT_EVALUATED;

	item->sysitem = NULL;

	free(item);

}

bool oval_result_item_iterator_has_more(struct oval_result_item_iterator * oc_result_item)

{

	return oval_collection_iterator_has_more((struct oval_iterator *)

						 oc_result_item);

}

struct oval_result_item *oval_result_item_iterator_next(struct

							oval_result_item_iterator

							*oc_result_item)

{

	return (struct oval_result_item *)

	    oval_collection_iterator_next((struct oval_iterator *)

					  oc_result_item);

}

void oval_result_item_iterator_free(struct

				    oval_result_item_iterator

				    *oc_result_item)

{

	oval_collection_iterator_free((struct oval_iterator *)

				      oc_result_item);

}

struct oval_sysitem *oval_result_item_get_sysitem(struct oval_result_item *item)

{

	__attribute__nonnull__(item);

	return item->sysitem;

}

oval_result_t oval_result_item_get_result(struct oval_result_item * item)

{

	__attribute__nonnull__(item);

	return ((struct oval_result_item *)item)->result;

}

struct oval_message_iterator *oval_result_item_get_messages(struct oval_result_item *item) {

	__attribute__nonnull__(item);

	return (struct oval_message_iterator *)

	    oval_collection_iterator(item->messages);

}

void oval_result_item_set_result(struct oval_result_item *item, oval_result_t result)

{

	__attribute__nonnull__(item);

	item->result = result;

}

void oval_result_item_add_message(struct oval_result_item *item, struct oval_message *message) 

{

	__attribute__nonnull__(item);

	oval_collection_add(item->messages, message);

}

static void _oval_result_item_message_consumer(struct oval_message *message, struct oval_result_item *item) {

	oval_result_item_add_message(item, message);

}

static int _oval_result_item_message_parse

    (xmlTextReaderPtr reader, struct oval_parser_context *context, struct oval_result_item *item) {

	return oval_message_parse_tag(reader, context, (oscap_consumer_func) _oval_result_item_message_consumer, item);

}

int oval_result_item_parse_tag

    (xmlTextReaderPtr reader, struct oval_parser_context *context,

     struct oval_result_system *sys, oscap_consumer_func consumer, void *user) {

	int return_code = 0;

	xmlChar *item_id = xmlTextReaderGetAttribute(reader, BAD_CAST "item_id");

	struct oval_result_item *item = oval_result_item_new(sys, (char *)item_id);

	oval_result_t result = oval_result_parse(reader, "result", 0);

	oval_result_item_set_result(item, result);

	return_code = oval_parser_parse_tag

	    (reader, context, (oval_xml_tag_parser) _oval_result_item_message_parse, item);

	(*consumer) (item, user);

	free(item_id);

	return return_code;

}

xmlNode *oval_result_item_to_dom(struct oval_result_item * rslt_item, xmlDocPtr doc, xmlNode * parent) {

	xmlNs *ns_results = xmlSearchNsByHref(doc, parent, OVAL_RESULTS_NAMESPACE);

	xmlNode *item_node = xmlNewTextChild(parent, ns_results, BAD_CAST "tested_item", NULL);

	struct oval_sysitem *oval_sysitem = oval_result_item_get_sysitem(rslt_item);

	char *item_id = oval_sysitem_get_id(oval_sysitem);

	xmlNewProp(item_node, BAD_CAST "item_id", BAD_CAST item_id);

	oval_result_t result = oval_result_item_get_result(rslt_item);

	xmlNewProp(item_node, BAD_CAST "result", BAD_CAST oval_result_get_text(result));

	return item_node;

}