/**
 *Licensed to the Apache Software Foundation (ASF) under one
 *or more contributor license agreements.  See the NOTICE file
 *distributed with this work for additional information
 *regarding copyright ownership.  The ASF licenses this file
 *to you under the Apache License, Version 2.0 (the
 *"License"); you may not use this file except in compliance
 *with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *Unless required by applicable law or agreed to in writing,
 *software distributed under the License is distributed on an
 *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 *specific language governing permissions and limitations
 *under the License.
 */
/*
 * capability.c
 *
 *  \date       Jul 12, 2010
 *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
 *  \copyright	Apache License, Version 2.0
 */
#include <stdlib.h>

#include "capability_private.h"
#include "attribute.h"
#include "celix_log.h"

celix_status_t capability_create(module_pt module, hash_map_pt directives, hash_map_pt attributes, capability_pt *capability) {
	celix_status_t status;
	*capability = (capability_pt) malloc(sizeof(**capability));
	if (!*capability) {
		status = CELIX_ENOMEM;
	} else {
		(*capability)->module = module;
		(*capability)->attributes = attributes;
		(*capability)->directives = directives;

		(*capability)->version = NULL;
		status = version_createEmptyVersion(&(*capability)->version);
		if (status == CELIX_SUCCESS) {
			attribute_pt versionAttribute = NULL;
			attribute_pt serviceAttribute = (attribute_pt) hashMap_get(attributes, "service");
			status = attribute_getValue(serviceAttribute, &(*capability)->serviceName);
			if (status == CELIX_SUCCESS) {
				versionAttribute = (attribute_pt) hashMap_get(attributes, "version");
				if (versionAttribute != NULL) {
					char *versionStr = NULL;
					attribute_getValue(versionAttribute, &versionStr);
					(*capability)->version = NULL;
					status = version_createVersionFromString(versionStr, &(*capability)->version);
				}
			}
		}
	}

	framework_logIfError(logger, status, NULL, "Failed to create capability");

	return status;
}

celix_status_t capability_destroy(capability_pt capability) {
	hash_map_iterator_pt attrIter = hashMapIterator_create(capability->attributes);
	while (hashMapIterator_hasNext(attrIter)) {
		attribute_pt attr = hashMapIterator_nextValue(attrIter);
		hashMapIterator_remove(attrIter);
		attribute_destroy(attr);
	}
	hashMapIterator_destroy(attrIter);
	hashMap_destroy(capability->attributes, false, false);
	hashMap_destroy(capability->directives, false, false);

	capability->attributes = NULL;
	capability->directives = NULL;
	capability->module = NULL;

	version_destroy(capability->version);
	capability->version = NULL;

	free(capability);

	return CELIX_SUCCESS;
}

celix_status_t capability_getServiceName(capability_pt capability, char **serviceName) {
	*serviceName = capability->serviceName;
	return CELIX_SUCCESS;
}

celix_status_t capability_getVersion(capability_pt capability, version_pt *version) {
	*version = capability->version;
	return CELIX_SUCCESS;
}

celix_status_t capability_getModule(capability_pt capability, module_pt *module) {
	*module = capability->module;
	return CELIX_SUCCESS;
}