/*
 * Copyright (c) 2013, Florian Zeitz <florob@babelmonkeys.de>
 * Copyright (c) 2013, 2016, 2019, 2021, Jonathan Schleifer <js@nil.im>
 *
 * https://heap.zone/objxmpp/
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice is present in all copies.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#import "XMPPDiscoIdentity.h"

@implementation XMPPDiscoIdentity
@synthesize category = _category, name = _name, type = _type;

+ (instancetype)identityWithCategory: (OFString *)category
				type: (OFString *)type
				name: (OFString *)name
{
	return [[[self alloc] initWithCategory: category
					  type: type
					  name: name] autorelease];
}

+ (instancetype)identityWithCategory: (OFString *)category
				type: (OFString *)type
{
	return [[[self alloc] initWithCategory: category
					  type: type] autorelease];
}

- (instancetype)initWithCategory: (OFString *)category
			    type: (OFString *)type
			    name: (OFString *)name
{
	self = [super init];

	@try {
		if (category == nil || type == nil)
			@throw [OFInvalidArgumentException exception];

		_category = category.copy;
		_name = name.copy;
		_type = type.copy;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithCategory: (OFString *)category type: (OFString *)type
{
	return [self initWithCategory: category type: type name: nil];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_category release];
	[_name release];
	[_type release];

	[super dealloc];
}

- (bool)isEqual: (id)object
{
	XMPPDiscoIdentity *identity;

	if (object == self)
		return true;

	if (![object isKindOfClass: [XMPPDiscoIdentity class]])
		return false;

	identity = object;

	if ([_category isEqual: identity->_category] &&
	    (_name == identity->_name || [_name isEqual: identity->_name]) &&
	    [_type isEqual: identity->_type])
		return true;

	return false;
}

- (unsigned long)hash
{
	unsigned long hash;

	OFHashInit(&hash);

	OFHashAddHash(&hash, _category.hash);
	OFHashAddHash(&hash, _type.hash);
	OFHashAddHash(&hash, _name.hash);

	OFHashFinalize(&hash);

	return hash;
}

- (OFComparisonResult)compare: (id <OFComparing>)object
{
	XMPPDiscoIdentity *identity;
	OFComparisonResult categoryResult, typeResult;

	if (object == self)
		return OFOrderedSame;

	if (![(id)object isKindOfClass: [XMPPDiscoIdentity class]])
		@throw [OFInvalidArgumentException exception];

	identity = (XMPPDiscoIdentity *)object;

	categoryResult = [_category compare: identity->_category];
	if (categoryResult != OFOrderedSame)
		return categoryResult;

	typeResult = [_type compare: identity->_type];
	if (typeResult != OFOrderedSame)
		return typeResult;

	return [_name compare: identity->_name];
}
@end