/*

 * Project:     Libezv

 * File:        AWEzvContactManager.m

 *

 * Version:     1.0

 * Author:      Andrew Wellington <proton[at]wiretapped.net>

 *

 * License:

 * Copyright (C) 2004-2005 Andrew Wellington.

 * All rights reserved.

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * 

 * 1. Redistributions of source code must retain the above copyright notice,

 * this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 * this list of conditions and the following disclaimer in the documentation

 * and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "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 AUTHOR 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 "AWEzvContactManager.h"

#import "AWEzvContactPrivate.h"

#import "AWEzvXMLStream.h"

@implementation AWEzvContactManager

- (id)initWithClient:(AWEzv *)newClient 

{

    if ((self = [super init])) {

		contacts = [[NSMutableDictionary alloc] init];

		client = newClient;

		isConnected = NO;

		/* find username and computer name */

		CFStringRef consoleUser = SCDynamicStoreCopyConsoleUser(NULL, NULL, NULL);

		CFStringRef computerName = SCDynamicStoreCopyLocalHostName(NULL);

		if (!computerName) {

			/* computerName can return NULL if the computer name is not set or an error occurs */

			CFUUIDRef	uuid;

			uuid = CFUUIDCreate(NULL);

			computerName = CFUUIDCreateString(NULL, uuid);

			CFRelease(uuid);		

		}

		avInstanceName = [[NSString alloc] initWithFormat:@"%@@%@",

						  (consoleUser ? (NSString *)consoleUser : @""),

						  (computerName ? (NSString *)computerName : @"")];

		if (consoleUser) CFRelease(consoleUser);

		if (computerName) CFRelease(computerName);		

	}

    return self;

}

- (AWEzvContact *)contactForIdentifier:(NSString *)uniqueID {

    AWEzvContact *contact = [contacts objectForKey:uniqueID];

    /* try a case insensitive search if not found */

    if (!contact) {

		for (contact in [contacts allValues]) {

			if ([contact.uniqueID caseInsensitiveCompare:uniqueID] == NSOrderedSame)

				break;

		}

	}

    return contact;

}

- (void)closeConnections {

	for (AWEzvContact *contact in [contacts allValues]) {

		if (contact.stream)

			[contact.stream endConnection];

	}

}

@synthesize client;

- (void)dealloc {

	/* AWEzvContactManagerListener adds an observer; remove it */

	[[NSNotificationCenter defaultCenter] removeObserver:self];

	[userAnnounceData release]; userAnnounceData = nil;

	[avInstanceName release]; avInstanceName = nil;

	[super dealloc];

}

- (NSString *)myInstanceName {

	NSAssert(NO, @"AWEzvContactManager -myInstanceName: This should not be reached");

	return nil;

}

@end