/*
 * %kadu copyright begin%
 * Copyright 2009, 2010, 2011 Piotr Galiszewski (piotr.galiszewski@kadu.im)
 * Copyright 2009, 2010 Wojciech Treter (juzefwt@gmail.com)
 * Copyright 2009, 2010, 2011 Rafał Malinowski (rafal.przemyslaw.malinowski@gmail.com)
 * Copyright 2011 Bartosz Brachaczek (b.brachaczek@gmail.com)
 * %kadu copyright end%
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "accounts/account.h"
#include "configuration/configuration-manager.h"
#include "core/core.h"
#include "identities/identities-aware-object.h"
#include "identity.h"

#include "identity-manager.h"

IdentityManager * IdentityManager::Instance = 0;

IdentityManager * IdentityManager::instance()
{
	if (0 == Instance)
		Instance = new IdentityManager();

	return Instance;
}

IdentityManager::IdentityManager()
{
}

IdentityManager::~IdentityManager()
{
}

Identity IdentityManager::byName(const QString &name, bool create)
{
	QMutexLocker locker(&mutex());

	if (name.isEmpty())
		return Identity::null;

	foreach (const Identity &identity, items())
	{
		if (name == identity.name())
			return identity;
	}

	if (!create)
		return Identity::null;

	Identity newIdentity = Identity::create();
	newIdentity.setName(name);
	addItem(newIdentity);

	return newIdentity;
}

Identity IdentityManager::identityForAcccount(Account account)
{
	QMutexLocker locker(&mutex());

	foreach (const Identity &identity, items())
		if (identity.hasAccount(account))
			return identity;

	return Identity::null;
}

void IdentityManager::removeUnused()
{
	QList<Identity> unused;

	foreach (const Identity &identity, items())
		if (identity.isEmpty() && !identity.isPermanent())
			unused.append(identity);

	foreach (const Identity &identity, unused)
		removeItem(identity);
}

void IdentityManager::itemAboutToBeAdded(Identity item)
{
	emit identityAboutToBeAdded(item);
}

void IdentityManager::itemAdded(Identity item)
{
	IdentitiesAwareObject::notifyIdentityAdded(item);

	emit identityAdded(item);
}

void IdentityManager::itemAboutToBeRemoved(Identity item)
{
	IdentitiesAwareObject::notifyIdentityRemoved(item);

	emit identityAboutToBeRemoved(item);
}

void IdentityManager::itemRemoved(Identity item)
{
	emit identityRemoved(item);
}

void IdentityManager::addDefaultIdentities()
{
	QMutexLocker locker(&mutex());

	Identity friendsIdentity = Identity::create();
	friendsIdentity.data()->setState(StateNew);
	friendsIdentity.setPermanent(true);
	friendsIdentity.setName(tr("Friends"));
	addItem(friendsIdentity);
	
	Identity workIdentity = Identity::create();
	workIdentity.data()->setState(StateNew);
	workIdentity.setPermanent(true);
	workIdentity.setName(tr("Work"));
	addItem(workIdentity);
	
	Identity schoolIdentity = Identity::create();
	schoolIdentity.data()->setState(StateNew);
	schoolIdentity.setPermanent(true);
	schoolIdentity.setName(tr("School"));
	addItem(schoolIdentity);
}

void IdentityManager::load()
{
	QMutexLocker locker(&mutex());

	SimpleManager<Identity>::load();

	if (items().isEmpty())
		addDefaultIdentities();
}
